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Sağdıç M, Izgi B, Yapici Eser H, Ercis M, Üçok A, Kuşçu K. Face and emotion recognition in individuals diagnosed with schizophrenia, ultra-high risk for psychosis, unaffected siblings, and healthy controls in a sample from Turkey. Schizophr Res Cogn 2024; 36:100301. [PMID: 38328022 PMCID: PMC10848035 DOI: 10.1016/j.scog.2024.100301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/15/2024] [Accepted: 01/17/2024] [Indexed: 02/09/2024]
Abstract
Face and emotion recognition are crucial components of social cognition. We aimed to compare them in patients diagnosed with schizophrenia (SCZ), ultra-high risk for psychosis (UHR), unaffected siblings of schizophrenia patients (SIB), and healthy controls (HC). METHODS One hundred sixty-six participants (45 SCZ, 14 UHR, 45 SIB, and 62 HC) were interviewed with the Structured Clinical Interview for DSM-5 (SCID-5). Positive and Negative syndrome scale (PANSS), PennCNB Facial Memory (CPF), and Emotion Recognition Task (ER40) were applied. RESULTS In CPF, SCZ performed significantly lower than SIB and HC. SIB was also significantly lower than HC for total correct responses. The sample size of the UHR group was small, and the statistical comparisons did not reach a significance, however, a trend towards decreased performance between the SCZ and SIB was found. In ER40, SCZ performed significantly lower than HC and SIB in all domains, except for the insignificant findings for angry ER between SIB and SCZ. SIB also performed significantly lower than HC for angry, negative, and total ER. UHR was similar to SCZ for happy and sad ER and performed significantly lower than HC for happy ER. The effect of SCZ diagnosis on the efficiency of CPF and ER40 was significant when corrected for age and education. For SCZ, PANSS also significantly affected the CPF and ER40. CONCLUSION Our findings suggest varying levels of face and emotion recognition deficits in individuals with SCZ, UHR, and SIB. Face and emotion recognition deficits are promising schizophrenia endophenotypes related to social cognition.
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Affiliation(s)
- Meylin Sağdıç
- Marmara University, School of Medicine, Department of Psychiatry, İstanbul, Turkey
| | - Busra Izgi
- Koç University, Graduate School of Health Sciences, Istanbul, Turkey
- Koç University Research Center for Translational Medicine, İstanbul, Turkey
| | - Hale Yapici Eser
- Koç University, Graduate School of Health Sciences, Istanbul, Turkey
- Koç University, School of Medicine, Department of Psychiatry, İstanbul, Turkey
| | - Mete Ercis
- İstanbul University, Faculty of Medicine, Department of Psychiatry, İstanbul, Turkey
| | - Alp Üçok
- İstanbul University, Faculty of Medicine, Department of Psychiatry, İstanbul, Turkey
| | - Kemal Kuşçu
- Koç University, School of Medicine, Department of Psychiatry, İstanbul, Turkey
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2
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Wynn JK, Clayson PE, Green MF, Jimenez A, Lee J, Reavis EA, Horan WP. Neurophysiological indices of face processing in people with psychosis and their siblings: An event-related potential study. Eur J Neurosci 2024; 59:1863-1876. [PMID: 37160716 PMCID: PMC10632544 DOI: 10.1111/ejn.16034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 05/01/2023] [Accepted: 05/02/2023] [Indexed: 05/11/2023]
Abstract
People with schizophrenia experience difficulties with social interactions. One contributor to these social deficits is dysfunction in processing facial features and facial emotional expressions. However, it is not known whether face processing deficits are evident in those with other psychotic disorders or in those genetically at-risk for psychosis (i.e., first-degree relatives of those with psychosis). We assessed event-related potentials (ERPs) during a facial and emotion processing task in 100 people with a diagnosis of schizophrenia or another psychotic condition (PSY), 32 of their siblings (SIB) and 45 healthy comparison participants (CTL). In separate blocks, participants identified the sex (male or female) or emotion (happy, angry, neutral) of faces. In a comparison condition, participants indicated whether buildings had one or two floors. ERPs were examined in two stages. First, we compared ERPs across the emotion, sex and building identification conditions. Second, we compared ERPs among the three different facial emotions. PSY exhibited significantly lower amplitudes over parietal-occipital regions between 111 and 151 ms when viewing faces but not buildings than CTL, consistent with a face-selective N170 ERP component deficit. The SIB group was intermediate for faces, but not significantly different than PSY or CTL. During emotion identification, all three groups showed increased N170 amplitudes to angry and happy versus neutral expressions, with no group differences. In follow up analyses, we examined differences between PSY with or without affective psychosis, and differences between those with schizophrenia versus other psychotic disorders; there were no significant differences in these analyses. Face processing deficits assessed with ERPs were observed in a group of diverse psychotic disorders, though deficits were not seen to be modulated by facial emotion expression. Additionally, N170 deficits are not evident in siblings of those with PSY.
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Affiliation(s)
- Jonathan K. Wynn
- VA Greater Los Angeles Healthcare System, Los Angeles,
CA
- Semel Institute for Neuroscience and Human Behavior,
University of California, Los Angeles, Los Angeles, CA
| | - Peter E. Clayson
- VA Greater Los Angeles Healthcare System, Los Angeles,
CA
- Department of Psychology, University of South Florida,
Tampa, FL
| | - Michael F. Green
- VA Greater Los Angeles Healthcare System, Los Angeles,
CA
- Semel Institute for Neuroscience and Human Behavior,
University of California, Los Angeles, Los Angeles, CA
| | - Amy Jimenez
- VA Greater Los Angeles Healthcare System, Los Angeles,
CA
- Semel Institute for Neuroscience and Human Behavior,
University of California, Los Angeles, Los Angeles, CA
| | - Junghee Lee
- Semel Institute for Neuroscience and Human Behavior,
University of California, Los Angeles, Los Angeles, CA
- Department of Psychiatry, University of Alabama,
Birmingham
| | - Eric A. Reavis
- VA Greater Los Angeles Healthcare System, Los Angeles,
CA
- Semel Institute for Neuroscience and Human Behavior,
University of California, Los Angeles, Los Angeles, CA
| | - William P. Horan
- VA Greater Los Angeles Healthcare System, Los Angeles,
CA
- Semel Institute for Neuroscience and Human Behavior,
University of California, Los Angeles, Los Angeles, CA
- VeraSci, Durham, NC
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3
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Gorrino I, Rossetti MG, Girelli F, Bellani M, Perlini C, Mattavelli G. A critical overview of emotion processing assessment in non-affective and affective psychoses. Epidemiol Psychiatr Sci 2024; 33:e8. [PMID: 38356360 PMCID: PMC10894699 DOI: 10.1017/s204579602400009x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 01/08/2024] [Accepted: 01/21/2024] [Indexed: 02/16/2024] Open
Abstract
AIMS Patients with affective and non-affective psychoses show impairments in both the identification and discrimination of facial affect, which can significantly reduce their quality of life. The aim of this commentary is to present the strengths and weaknesses of the available instruments for a more careful evaluation of different stages of emotion processing in clinical and experimental studies on patients with non-affective and affective psychoses. METHODS We reviewed the existing literature to identify different tests used to assess the ability to recognise (e.g. Ekman 60-Faces Test, Facial Emotion Identification Test and Penn Emotion Recognition Test) and to discriminate emotions (e.g. Face Emotion Discrimination Test and Emotion Differentiation Task). RESULTS The current literature revealed that few studies combine instruments to differentiate between different levels of emotion processing disorders. The lack of comprehensive instruments that integrate emotion recognition and discrimination assessments prevents a full understanding of patients' conditions. CONCLUSIONS This commentary underlines the need for a detailed evaluation of emotion processing ability in patients with non-affective and affective psychoses, to characterise the disorder at early phases from the onset of the disease and to design rehabilitation treatments.
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Affiliation(s)
- Irene Gorrino
- IUSS Cognitive Neuroscience (ICoN) Center, Scuola Universitaria Superiore IUSS, Pavia, Italy
| | - Maria Gloria Rossetti
- Section of Psychiatry, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
- UOC Psychiatry, Azienda Ospedaliera Universitaria Integrata (AOUI), Verona, Italy
| | - Francesca Girelli
- UOC Psychiatry, Azienda Ospedaliera Universitaria Integrata (AOUI), Verona, Italy
| | - Marcella Bellani
- Section of Psychiatry, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Cinzia Perlini
- Section of Clinical Psychology, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Giulia Mattavelli
- IUSS Cognitive Neuroscience (ICoN) Center, Scuola Universitaria Superiore IUSS, Pavia, Italy
- Cognitive Neuroscience Laboratory of Pavia Institute, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy
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Castiajo P, Pinheiro AP. Attention to voices is increased in non-clinical auditory verbal hallucinations irrespective of salience. Neuropsychologia 2021; 162:108030. [PMID: 34563552 DOI: 10.1016/j.neuropsychologia.2021.108030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/17/2021] [Accepted: 09/20/2021] [Indexed: 11/24/2022]
Abstract
Alterations in the processing of vocal emotions have been associated with both clinical and non-clinical auditory verbal hallucinations (AVH), suggesting that changes in the mechanisms underpinning voice perception contribute to AVH. These alterations seem to be more pronounced in psychotic patients with AVH when attention demands increase. However, it remains to be clarified how attention modulates the processing of vocal emotions in individuals without clinical diagnoses who report hearing voices but no related distress. Using an active auditory oddball task, the current study clarified how emotion and attention interact during voice processing as a function of AVH proneness, and examined the contributions of stimulus valence and intensity. Participants with vs. without non-clinical AVH were presented with target vocalizations differing in valence (neutral; positive; negative) and intensity (55 decibels (dB); 75 dB). The P3b amplitude was larger in response to louder (vs. softer) vocal targets irrespective of valence, and in response to negative (vs. neutral) vocal targets irrespective of intensity. Of note, the P3b amplitude was globally increased in response to vocal targets in participants reporting AVH, and failed to be modulated by valence and intensity in these participants. These findings suggest enhanced voluntary attention to changes in vocal expressions but reduced discrimination of salient and non-salient cues. A decreased sensitivity to salience cues of vocalizations could contribute to increased cognitive control demands, setting the stage for an AVH.
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Affiliation(s)
- Paula Castiajo
- Psychological Neuroscience Laboratory, CIPsi, School of Psychology, University of Minho, Braga, Portugal
| | - Ana P Pinheiro
- Faculdade de Psicologia, CICPSI, Universidade de Lisboa, Lisboa, Portugal; Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands.
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5
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Li XB, Jiang WL, Wen YJ, Wang CM, Tian Q, Fan Y, Yang HB, Wang CY. The attenuated visual scanpaths of patients with schizophrenia whilst recognizing emotional facial expressions are worsened in natural social scenes. Schizophr Res 2020; 220:155-163. [PMID: 32265087 DOI: 10.1016/j.schres.2020.03.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 03/18/2020] [Accepted: 03/20/2020] [Indexed: 12/30/2022]
Abstract
Alteration of visual scanpaths under emotional facial expression in schizophrenia patients has been described in recent years; however, it is not clear whether such results are different when they transfer to faces in natural social scenes. The present study was designed to investigate the effects of emotional faces in natural social scenes on the gaze patterns of patients with schizophrenia, compared to gaze at isolated faces. A novel theme identification task was used where participants selected a positive, neutral or negative word to describe an emotional picture. Participants were 29 patients with schizophrenia and 31 healthy controls. The Positive and Negative Syndrome Scale (PANSS) and the Scale of Social Function in Psychosis Inpatients (SSPI) were used to assess symptoms and social functioning. In total, patients with schizophrenia showed significantly fewer fixations, saccades numbers and decreased fixations in areas of interest. As expected, patients showed shorter scanpath length, but only in the pictures with social settings. Furthermore, the effect size of scanpaths parameters under social scene was all greater than isolated face. In addition, patients compared to controls showed more abnormal scanpath parameters processing negative and neutral faces than positive faces, especially in social scene. The present study suggests that scanpath length for social scene faces may be more sensitive than for isolated face pictures. Our findings further support restricted scanpath whilst recognizing emotional facial expressions in natural social scenes as a favorable topic for further investigation as a trait marker.
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Affiliation(s)
- Xian-Bin Li
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders & Beijing Institute for Brain Disorders Center of Schizophrenia & The Advanced Innovation Center for Human Brain Protection, Beijing Anding Hospital, Capital Medical University, Beijing 100088, China
| | - Wen-Long Jiang
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders & Beijing Institute for Brain Disorders Center of Schizophrenia & The Advanced Innovation Center for Human Brain Protection, Beijing Anding Hospital, Capital Medical University, Beijing 100088, China; Third People's Hospital of Daqing, Daqing 163712, China
| | - Yu-Jie Wen
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders & Beijing Institute for Brain Disorders Center of Schizophrenia & The Advanced Innovation Center for Human Brain Protection, Beijing Anding Hospital, Capital Medical University, Beijing 100088, China
| | - Chang-Ming Wang
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders & Beijing Institute for Brain Disorders Center of Schizophrenia & The Advanced Innovation Center for Human Brain Protection, Beijing Anding Hospital, Capital Medical University, Beijing 100088, China
| | - Qing Tian
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders & Beijing Institute for Brain Disorders Center of Schizophrenia & The Advanced Innovation Center for Human Brain Protection, Beijing Anding Hospital, Capital Medical University, Beijing 100088, China
| | - Yu Fan
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders & Beijing Institute for Brain Disorders Center of Schizophrenia & The Advanced Innovation Center for Human Brain Protection, Beijing Anding Hospital, Capital Medical University, Beijing 100088, China
| | - Hai-Bo Yang
- Academy of Psychology and Behavior, Tianjin Normal University, Tianjin 300074, China.
| | - Chuan-Yue Wang
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders & Beijing Institute for Brain Disorders Center of Schizophrenia & The Advanced Innovation Center for Human Brain Protection, Beijing Anding Hospital, Capital Medical University, Beijing 100088, China.
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Hofer A, Benecke C, Edlinger M, Huber R, Kemmler G, Rettenbacher MA, Schleich G, Wolfgang Fleischhacker W. Facial emotion recognition and its relationship to symptomatic, subjective, and functional outcomes in outpatients with chronic schizophrenia. Eur Psychiatry 2020; 24:27-32. [DOI: 10.1016/j.eurpsy.2008.06.008] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2008] [Revised: 06/01/2008] [Accepted: 06/21/2008] [Indexed: 10/21/2022] Open
Abstract
AbstractOutcome in schizophrenia is multidimensional and consists of clinical and psychosocial domains. Difficulties in affect recognition are a hallmark of schizophrenia, but there is little research investigating the consequences of this deficit on patients’ psychosocial status. This cross-sectional study examined the relationship of facial affect recognition and treatment outcomes in terms of psychopathology, quality of life (QOL), and psychosocial functioning.We investigated 40 regular attendees of a specialized schizophrenia outpatient clinic who had been stable both from a symptomatic and a medication perspective for a minimum of 6 months and 40 healthy volunteers who were chosen to match patients in age, sex, and education. Affect recognition was positively associated with patients’ level of education and negatively with increasing age. Deficits in this area corresponded to the severity of negative and affective symptoms as well as to poor work and global functioning. These findings suggest that affect recognition is an important aspect of psychosocial functioning in stable outpatients with schizophrenia.
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7
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Martin D, Croft J, Pitt A, Strelchuk D, Sullivan S, Zammit S. Systematic review and meta-analysis of the relationship between genetic risk for schizophrenia and facial emotion recognition. Schizophr Res 2020; 218:7-13. [PMID: 31932173 DOI: 10.1016/j.schres.2019.12.031] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 12/21/2019] [Accepted: 12/22/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND Recent research has highlighted that facial emotion recognition deficits are more common in people with schizophrenia, but the reason for this association is not well understood. Comparing facial recognition deficits in unaffected individuals at higher genetic risk for schizophrenia with individuals at lower genetic risk could increase our understanding of this relationship. METHODS We systematically reviewed studies reporting on the relationship between genetic risk of schizophrenia and facial emotion recognition deficits. Meta-analyses were performed where sufficient data were available, otherwise we conducted narrative summaries. Meta-analyses were performed both for generalised and specific facial emotion recognition deficits. RESULTS 34 studies were included in this review with 23 included in meta-analyses. Meta-analysis indicated strong evidence of a deficit in facial emotion recognition in first-degree relatives of people with schizophrenia compared with controls (SMD 0.38 95% CI 0.26 to 0.51, p ≤ 0.001). Further meta-analyses demonstrated strong evidence of a deficit in the recognition of negative valence facial expressions (SMD 0.19 CI 0.06 to 0.32, p = 0.004) but no evidence of deficit in the recognition of neutral or positive valance. CONCLUSIONS There is strong evidence of facial emotion recognition deficits in first-degree relatives of people with schizophrenia. Our findings suggest that such deficits in people with schizophrenia arise prior to the onset of the disorder, though cannot inform whether that association is causal or due to confounding. Emotion recognition deficits, particularly to negative emotions, might be useful predictors of schizophrenia risk.
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Affiliation(s)
- David Martin
- Centre for Academic Mental Health, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, UK.
| | - Jazz Croft
- Centre for Academic Mental Health, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, UK
| | - Alice Pitt
- Avon and Wiltshire Mental Health Partnership NHS Trust, UK
| | - Daniela Strelchuk
- Centre for Academic Mental Health, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, UK
| | - Sarah Sullivan
- Centre for Academic Mental Health, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, UK
| | - Stan Zammit
- Centre for Academic Mental Health, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, UK; MRC Centre for Neuropsychiatric Genetics and Genomics, School of Medicine, Cardiff University, Hadyn Ellis Building, Maindy Road, Cathays, Cardiff CF24 4HQ, UK
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8
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Hasson-Ohayon I, Mashiach-Eizenberg M, Arnon-Ribenfeld N, Kravetz S, Roe D. Neuro-cognition and social cognition elements of social functioning and social quality of life. Psychiatry Res 2017; 258:538-543. [PMID: 28916297 DOI: 10.1016/j.psychres.2017.09.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Revised: 07/13/2017] [Accepted: 09/05/2017] [Indexed: 10/18/2022]
Abstract
Previous studies have shown that deficits in social cognition mediate the association between neuro-cognition and functional outcome. Based on these findings, the current study presents an examination of the mediating role of social cognition and includes two different outcomes: social functioning assessed by objective observer and social quality of life assessed by subjective self-report. Instruments measuring different aspects of social cognition, cognitive ability, social functioning and social quality of life were administered to 131 participants who had a diagnosis of a serious mental illness. Results showed that emotion recognition and attributional bias were significant mediators such that cognitive assessment was positively related to both, which in turn, were negatively related to SQoL. While one interpretation of the data suggests that deficits in emotion recognition may serve as a possible defense mechanism, future studies should re-assess this idea.
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Affiliation(s)
| | | | | | - Shlomo Kravetz
- Department of Psychology, Bar Ilan University, Ramat Gan, Israel
| | - David Roe
- Department of Community Mental Health, Faculty of Social Welfare and Health Sciences University of Haifa, Haifa, Israel
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Abstract
OBJECTIVES Social cognitive deficits have been discussed to be endophenotypes for schizophrenia and other serious mental illnesses. The current study aimed to assess emotional intelligence (EI) in unaffected siblings of schizophrenia patients to investigate its potential role as endophenotype for schizophrenia. METHODS EI was measured in 56 schizophrenia patients, 57 unaffected siblings, and 127 healthy control subjects by using the Mayer-Salovey-Caruso Emotional Intelligence Test (MSCEIT). In addition, non-social cognition was assessed with the Brief Assessment of Cognition in Schizophrenia (BACS). Linear mixed models with compound symmetric correlation structure were used for of the three groups with respect to EI and non-social cognition. RESULTS Schizophrenia patients showed significantly lower overall EI and performed significantly worse in three out of four MSCEIT branches compared to unaffected siblings and control subjects, whereas the two latter groups had comparable EI levels. Similar performance patterns (patients<unaffected siblings=control subjects) were found with respect to non-social cognition. Solely in the "Tower of London" test, siblings achieved significantly lower task scores compared to control subjects. CONCLUSIONS Based on our results, EI as measured with the MSCEIT does not seem to represent a marker of risk for schizophrenia. Further investigations should concentrate on other EI measures to reassess this finding. (JINS, 2017, 23, 577-583).
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Sabharwal A, Kotov R, Szekely A, Leung HC, Barch DM, Mohanty A. Neural markers of emotional face perception across psychotic disorders and general population. JOURNAL OF ABNORMAL PSYCHOLOGY 2017; 126:663-678. [PMID: 28557508 PMCID: PMC5695570 DOI: 10.1037/abn0000279] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
There is considerable variation in negative and positive symptoms of psychosis, global functioning, and emotional face perception (EFP), not only in schizophrenia but also in other psychotic disorders and healthy individuals. However, EFP impairment and its association with worse symptoms and global functioning have been examined largely in the domain of schizophrenia. The present study adopted a dimensional approach to examine the association of behavioral and neural measures of EFP with symptoms of psychosis and global functioning across individuals with schizophrenia spectrum (SZ; N = 28) and other psychotic (OP; N = 29) disorders, and never-psychotic participants (NP; N = 21). Behavioral and functional MRI data were recorded as participants matched emotional expressions of faces and geometrical shapes. Lower accuracy and increased activity in early visual regions, hippocampus, and amygdala during emotion versus shape matching were associated with higher negative, but not positive, symptoms and lower global functioning, across all participants. This association remained even after controlling for group-related (SZ, OP, and NP) variance, dysphoria, and antipsychotic medication status, except in amygdala. Furthermore, negative symptoms mediated the relationship between behavioral and brain EFP measures and global functioning. This study provides some of the first evidence supporting the specific relationship of EFP measures with negative symptoms and global functioning across psychotic and never-psychotic samples, and transdiagnostically across different psychotic disorders. Present findings help bridge the gap between basic EFP-related neuroscience research and clinical research in psychosis, and highlight EFP as a potential symptom-specific marker that tracks global functioning. (PsycINFO Database Record
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Affiliation(s)
| | - Roman Kotov
- Department of Psychiatry, Stony Brook University
| | - Akos Szekely
- Department of Psychology, Stony Brook University
| | | | - Deanna M. Barch
- Departments of Psychology, Psychiatry, and Radiology, Washington University in St. Louis
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11
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Sestito M, Parnas J, Maggini C, Gallese V. Sensing the Worst: Neurophenomenological Perspectives on Neutral Stimuli Misperception in Schizophrenia Spectrum. Front Hum Neurosci 2017; 11:269. [PMID: 28626392 PMCID: PMC5454073 DOI: 10.3389/fnhum.2017.00269] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 05/08/2017] [Indexed: 11/13/2022] Open
Abstract
While investigating social cognitive impairments in schizophrenia, prominent evidence has been found that patients with schizophrenia show a tendency to misclassify neutral stimuli as negatively valenced. Within this population, patients presenting delusions are more prone to this phenomenon. In a previous study, Schizophrenia spectrum (SzSp) patients rated positive, negative and neutral stimuli that were multimodally presented, while assessed with a checklist exploring anomalous subjective experiences and evaluated for positive and negative symptomatology. In the present work, we aimed to further explore the relationship between neutral stimuli misperception, anomalous experiences and positive/negative symptoms in SzSp patients. To this end, we adopted a dimensional approach by reconstructing from available data: (1) four a priori scales representing essential dimensions of SzSp experiential pathology following Parnas et al. (2005); and (2) five clinically meaningful factors to describe illness severity derived by Toomey et al. (1997). Results showed that although overall patients correctly recognized the target emotions, those who misinterpreted neutral auditory cues as negatively valenced also presented higher scores in Perplexity (PY), Bizarre Delusions (BD) and Disorganization (Di) dimensions. Moreover, a positive association between BD and both PY and Self-Disorder (SD) dimensions emerged, suggesting that psychotic symptoms may be directly linked to patients' subjectivity. In an attempt to comprehensively capture the multilayered neutral stimuli misperception phenomenon in SzSp, we aimed at bridging phenomenology and neurobiology by connecting the levels of molecular neurochemistry (i.e., altered dopaminergic neurotransmission), system neuroscience (aberrant salience of perceptual details) and psychopathology (the chain involving hyper-reflexivity, self-disorders and the emergence of delusions).
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Affiliation(s)
- Mariateresa Sestito
- Unit of Physiology, Department of Neuroscience, University of ParmaParma, Italy
- Department of Psychology, Wright State UniversityDayton, OH, United States
| | - Josef Parnas
- Psychiatric Center Hvidovre, University Hospital of CopenhagenCopenhagen, Denmark
- Center for Subjectivity Research, University of CopenhagenCopenhagen, Denmark
| | - Carlo Maggini
- Psychiatric Division, Department of Neuroscience, University of ParmaParma, Italy
| | - Vittorio Gallese
- Unit of Physiology, Department of Neuroscience, University of ParmaParma, Italy
- Institute of Philosophy, School of Advanced Study, University of LondonLondon, United Kingdom
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Horton LE, Bridgwater MA, Haas GL. Emotion recognition and social skills in child and adolescent offspring of parents with schizophrenia. Cogn Neuropsychiatry 2017; 22:175-185. [PMID: 28288532 DOI: 10.1080/13546805.2017.1297223] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Emotion recognition, a social cognition domain, is impaired in people with schizophrenia and contributes to social dysfunction. Whether impaired emotion recognition emerges as a manifestation of illness or predates symptoms is unclear. Findings from studies of emotion recognition impairments in first-degree relatives of people with schizophrenia are mixed and, to our knowledge, no studies have investigated the link between emotion recognition and social functioning in that population. METHODS This study examined facial affect recognition and social skills in 16 offspring of parents with schizophrenia (familial high-risk/FHR) compared to 34 age- and sex-matched healthy controls (HC), ages 7-19. RESULTS As hypothesised, FHR children exhibited impaired overall accuracy, accuracy in identifying fearful faces, and overall recognition speed relative to controls. Age-adjusted facial affect recognition accuracy scores predicted parent's overall rating of their child's social skills for both groups. CONCLUSIONS This study supports the presence of facial affect recognition deficits in FHR children. Importantly, as the first known study to suggest the presence of these deficits in young, asymptomatic FHR children, it extends findings to a developmental stage predating symptoms. Further, findings point to a relationship between early emotion recognition and social skills. Improved characterisation of deficits in FHR children could inform early intervention.
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Affiliation(s)
- Leslie E Horton
- a Department of Psychiatry , University of Pittsburgh School of Medicine , Pittsburgh , PA , USA
| | - Miranda A Bridgwater
- a Department of Psychiatry , University of Pittsburgh School of Medicine , Pittsburgh , PA , USA
| | - Gretchen L Haas
- a Department of Psychiatry , University of Pittsburgh School of Medicine , Pittsburgh , PA , USA.,b VA Pittsburgh Healthcare System , Pittsburgh , PA , USA
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Ay R, Böke Ö, Pazvantoğlu O, Şahin AR, Sarisoy G, Arik AC, Güz H. Social Cognition in Schizophrenia Patients and Their First-Degree Relatives. Noro Psikiyatr Ars 2017; 53:338-343. [PMID: 28360809 DOI: 10.5152/npa.2016.10223] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 08/27/2015] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION Social cognition is a person's ability to configure the designs of relationships between themselves and others and to use these designs to guide social behaviors in a flexible manner. The models that are the most studied and describe social cognition are the theory of mind (ToM) and emotion recognition. This study was aimed to detect ToM and emotion recognition disorders in schizophrenia patients and their first-degree relatives. METHODS Thirty schizophrenia patients in remission, the first-degree relatives of schizophrenia patients (n=30), and 30 healthy volunteers who were paired with the patients in terms of age and duration of education were included in the study. The Positive and Negative Symptom Scale (PANSS), Dokuz-Eylül Theory of Mind Scale (DEToMS), Reading the Mind in the Eyes test, Facial Emotion Identification Test (FEIT), and Facial Emotion Discrimination Test (FEDT) were performed by the patients participating in this study. RESULTS ToM and emotion recognition were found to be defective in the schizophrenia patients and their relatives. The performances of ToM and emotion recognition were ranked as the schizophrenia group, family group, and control group, from the worst to the best. The schizophrenia group showed poor performance in all sub-components except irony. In the family group, the empathy subcomponent showed similar performance with the control group, whereas the subcomponents of the second-order false belief, metaphor, and faux pas tests showed similar performance with the patient group. There were differences among the three groups in the first-order false belief subscale as well as the total DEToMS. The patient and family groups showed the poorest performances, whereas the control group showed the best performance. CONCLUSION The detection of ToM and emotion recognition disorders in the remission period, regardless of the attack period and asymptomatic first-degree relatives, may support the view that the period of schizophrenia is an independent continuous variable.
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Affiliation(s)
- Rukiye Ay
- Departmen of Psychiatry, Ondokuz Mayıs University School of Medicine, Samsun, Turkey
| | - Ömer Böke
- Departmen of Psychiatry, Ondokuz Mayıs University School of Medicine, Samsun, Turkey
| | - Ozan Pazvantoğlu
- Department of Psychiatry, Sokrates Psychiatry Center, İzmir, Turkey
| | - Ahmet Rıfat Şahin
- Departmen of Psychiatry, Ondokuz Mayıs University School of Medicine, Samsun, Turkey
| | - Gökhan Sarisoy
- Departmen of Psychiatry, Ondokuz Mayıs University School of Medicine, Samsun, Turkey
| | - Ali Cezmi Arik
- Departmen of Psychiatry, Ondokuz Mayıs University School of Medicine, Samsun, Turkey
| | - Hatice Güz
- Departmen of Psychiatry, Ondokuz Mayıs University School of Medicine, Samsun, Turkey
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14
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Gultekin G, Yuksek E, Kalelioglu T, Bas A, Ocek Bas T, Duran A. Differential effects of clozapine and risperidone on facial emotion recognition ability in patients with treatment-resistant schizophrenia. PSYCHIAT CLIN PSYCH 2017. [DOI: 10.1080/24750573.2017.1293242] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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15
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Giakoumaki SG. Emotion processing deficits in the different dimensions of psychometric schizotypy. Scand J Psychol 2017; 57:256-70. [PMID: 27119257 DOI: 10.1111/sjop.12287] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 03/04/2016] [Indexed: 01/07/2023]
Abstract
Schizotypy refers to a personality structure indicating "proneness" to schizophrenia. Around 10% of the general population has increased schizotypal traits, they also share other core features with schizophrenia and are thus at heightened risk for developing schizophrenia and spectrum disorders. A key aspect in schizophrenia-spectrum pathology is the impairment observed in emotion-related processes. This review summarizes findings on impairments related to central aspects of emotional processes, such as emotional disposition, alexithymia, facial affect recognition and speech prosody, in high schizotypal individuals in the general population. Although the studies in the field are not numerous, the current findings indicate that all these aspects of emotional processing are deficient in psychometric schizotypy, in accordance to the schizophrenia-spectrum literature. A disturbed frontotemporal neural network seems to be the critical link between these impairments, schizotypy and schizophrenia. The limitations of the current studies and suggestions for future research are discussed.
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16
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Andric S, Maric NP, Mihaljevic M, Mirjanic T, van Os J. Familial covariation of facial emotion recognition and IQ in schizophrenia. Psychiatry Res 2016; 246:52-57. [PMID: 27657804 DOI: 10.1016/j.psychres.2016.09.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Revised: 08/22/2016] [Accepted: 09/15/2016] [Indexed: 12/18/2022]
Abstract
Alterations in general intellectual ability and social cognition in schizophrenia are core features of the disorder, evident at the illness' onset and persistent throughout its course. However, previous studies examining cognitive alterations in siblings discordant for schizophrenia yielded inconsistent results. Present study aimed to investigate the nature of the association between facial emotion recognition and general IQ by applying genetically sensitive cross-trait cross-sibling design. Participants (total n=158; patients, unaffected siblings, controls) were assessed using the Benton Facial Recognition Test, the Degraded Facial Affect Recognition Task (DFAR) and the Wechsler Adult Intelligence Scale-III. Patients had lower IQ and altered facial emotion recognition in comparison to other groups. Healthy siblings and controls did not significantly differ in IQ and DFAR performance, but siblings exhibited intermediate angry facial expression recognition. Cross-trait within-subject analyses showed significant associations between overall DFAR performance and IQ in all participants. Within-trait cross-sibling analyses found significant associations between patients' and siblings' IQ and overall DFAR performance, suggesting their familial clustering. Finally, cross-trait cross-sibling analyses revealed familial covariation of facial emotion recognition and IQ in siblings discordant for schizophrenia, further indicating their familial etiology. Both traits are important phenotypes for genetic studies and potential early clinical markers of schizophrenia-spectrum disorders.
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Affiliation(s)
- Sanja Andric
- Clinic for Psychiatry, Clinical Centre of Serbia, Belgrade, Serbia.
| | - Nadja P Maric
- Clinic for Psychiatry, Clinical Centre of Serbia, Belgrade, Serbia; School of Medicine, University of Belgrade, Belgrade, Serbia
| | | | - Tijana Mirjanic
- Special Hospital for Psychiatric Disorders Kovin, Kovin, Serbia
| | - Jim van Os
- Maastricht University Medical Centre, South Limburg Mental Health Research and Teaching Network, EURON, Maastricht, The Netherlands; King's College London, King's Health Partners, Department of Psychosis Studies, Institute of Psychiatry, London, United Kingdom
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17
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Feingold D, Hasson-Ohayon I, Laukka P, Vishne T, Dembinsky Y, Kravets S. Emotion recognition deficits among persons with schizophrenia: Beyond stimulus complexity level and presentation modality. Psychiatry Res 2016; 240:60-65. [PMID: 27085665 DOI: 10.1016/j.psychres.2016.04.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 02/14/2016] [Accepted: 04/08/2016] [Indexed: 10/22/2022]
Abstract
Studies have shown that persons with schizophrenia have lower accuracy in emotion recognition compared to persons without schizophrenia. However, the impact of the complexity level of the stimuli or the modality of presentation has not been extensively addressed. Forty three persons with a diagnosis of schizophrenia and 43 healthy controls, matched for age and gender, were administered tests assessing emotion recognition from stimuli with low and high levels of complexity presented via visual, auditory and semantic channels. For both groups, recognition rates were higher for high-complexity stimuli compared to low-complexity stimuli. Additionally, both groups obtained higher recognition rates for visual and semantic stimuli than for auditory stimuli, but persons with schizophrenia obtained lower accuracy than persons in the control group for all presentation modalities. Persons diagnosed with schizophrenia did not present a level of complexity specific deficit or modality-specific deficit compared to healthy controls. Results suggest that emotion recognition deficits in schizophrenia are beyond level of complexity of stimuli and modality, and present a global difficulty in cognitive functioning.
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Affiliation(s)
- Daniel Feingold
- Department of Psychology, Ariel University, Ariel, Israel; Department of Psychiatry, Sheba Medical Center, Tel Hashomer, Israel.
| | | | - Petri Laukka
- Department of Psychology, Stockholm University, Stockholm, Sweden; Department of Social Sciences, Södertörn University, Huddinge, Sweden
| | | | - Yael Dembinsky
- Psychiatry Department, Sourasky Medical Center, Tel-Aviv, Israel
| | - Shlomo Kravets
- Department of Psychology, Bar-Ilan University, Ramat-Gan, Israel
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18
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Gaudelus B, Virgile J, Geliot S, Franck N. Improving Facial Emotion Recognition in Schizophrenia: a Controlled Study Comparing Specific and Attentional Focused Cognitive Remediation. Front Psychiatry 2016; 7:105. [PMID: 27445866 PMCID: PMC4914585 DOI: 10.3389/fpsyt.2016.00105] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Accepted: 06/03/2016] [Indexed: 11/13/2022] Open
Abstract
Cognitive impairments associated with schizophrenia are very frequent. They concern both neurocognition and social cognition, including facial emotion recognition. These impairments have a negative impact on the daily functioning, in particular the social and vocational rehabilitation of people with schizophrenia. Previous studies in this area clearly demonstrated the interest of cognitive remediation to improve neurocognitive and social cognitive functioning in schizophrenia. They also established clear links between facial emotion recognition skills and attentional processes. The present study compares the GAÏA s-face program (GAÏA arm), which focuses on facial emotion recognition processes, with the RECOS program (RECOS arm), a neurocognitive remediation therapy focusing on selective attention. Forty people with schizophrenia were randomly distributed between each study arm and assessed pre- (T1) and post- (T2) therapy. The single-blind assessment focused on facial emotion recognition (the main criteria), symptoms, social and subjective functioning, and neurocognitive and social cognitive performance. Both programs were conducted by nurses after a 3-day training session. The study showed a significant improvement in facial emotion recognition performance in both groups, with a significantly larger effect in the GAÏA arm. Symptoms and social functioning also improved in the GAÏA arm, and certain neurocognitive and social cognitive processes improved in both study arms. Further studies are recommended, with larger population samples and a follow-up assessing the long-term preservation of these improvements.
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Affiliation(s)
- Baptiste Gaudelus
- Service Universitaire de Réhabilitation, CL3R, Le Vinatier Hospital, Bron, France
| | - Jefferson Virgile
- Service Universitaire de Réhabilitation, CL3R, Le Vinatier Hospital, Bron, France
- Département de Réhabilitation Psycho-sociale, St Cyr au Mont d’Or Hospital, St Cyr au Mont d’Or, France
| | - Sabrina Geliot
- Service Universitaire de Réhabilitation, CL3R, Le Vinatier Hospital, Bron, France
- Centre régional de dépistage et de prise en charge des troubles psychiatriques d’origine génétique, Le Vinatier Hospital, Bron, France
| | - Nicolas Franck
- Service Universitaire de Réhabilitation, CL3R, Le Vinatier Hospital, Bron, France
- Lyon 1 Claude Bernard University, Lyon, France
- UMR 5229, Centre National de la Recherche Scientifique (CNRS), Lyon, France
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19
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Foti D, Roberts F. The neural dynamics of speech perception: Dissociable networks for processing linguistic content and monitoring speaker turn-taking. BRAIN AND LANGUAGE 2016; 157-158:63-71. [PMID: 27177112 DOI: 10.1016/j.bandl.2016.05.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 04/27/2016] [Accepted: 05/01/2016] [Indexed: 06/05/2023]
Abstract
The neural circuitry for speech perception is well-characterized, yet the temporal dynamics therein are largely unknown. This timing information is critical in that spoken language almost always occurs in the context of joint speech (i.e., conversations) where effective communication requires the precise timing of speaker turn-taking-a core aspect of prosody. Here, we used event-related potentials to characterize neural activity elicited by conversation stimuli within a large, unselected adult sample (N=115). We focused on two stages of speech perception: inter-speaker gaps and speaker responses. We found activation in two known speech perception networks, with functional and neuroanatomical specificity: silence during inter-speaker gaps primarily activated the posterior pathway involving the supramarginal gyrus and premotor cortex, whereas hearing speaker responses primarily activated the anterior pathway involving the superior temporal gyrus. These data provide the first direct evidence that the posterior pathway is uniquely involved in monitoring speaker turn-taking.
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Affiliation(s)
- Dan Foti
- Department of Psychological Sciences, Purdue University, 703 Third Street, West Lafayette, IN 47907, United States.
| | - Felicia Roberts
- Brian Lamb School of Communication, Purdue University, 100 N. University Street, West Lafayette, IN 47907, United States.
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20
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Cella M, Hamid S, Butt K, Wykes T. Cognition and Social Cognition in non-psychotic siblings of patients with schizophrenia. Cogn Neuropsychiatry 2015; 20:232-42. [PMID: 25720746 DOI: 10.1080/13546805.2015.1014032] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
INTRODUCTION Deficits in Social Cognition are common in people with schizophrenia. However, it is not clear if these deficits are a vulnerability marker and whether they are independent to cognitive difficulties. This study investigates these two issues in individuals with a genetic liability to psychosis. METHODS Twenty-one healthy siblings of patients with schizophrenia were compared with 21 healthy individuals on a range of cognitive and social cognitive measures. Significant differences in cognitive domains were controlled for when comparing the two groups on measures of social cognition. RESULTS Siblings of people with schizophrenia performed significantly worst on tests of theory of mind and social perception but not on affect recognition. Scores on tests of executive function, processing speed and general IQ were also lower in the sibling group. When controlled for differences in cognitive tests, the two groups still retained significant differences in theory of mind and social perception. However, executive function significantly contributed to theory of mind and processing speed to social perception differences. CONCLUSIONS These results further suggest that difficulties in some domains of social cognition are associated with a genetic vulnerability for schizophrenia. In these areas, cognitive difficulties account only partially for social cognition problems suggesting that these two domains may represent relatively independent liability factors.
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Affiliation(s)
- Matteo Cella
- a Department of Psychology , Institute of Psychiatry, King's College London , De Crespigny Park, SE5 8AF London , UK
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21
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Egashira K, Matsuo K, Nakashima M, Watanuki T, Harada K, Nakano M, Matsubara T, Takahashi K, Watanabe Y. Blunted brain activation in patients with schizophrenia in response to emotional cognitive inhibition: a functional near-infrared spectroscopy study. Schizophr Res 2015; 162:196-204. [PMID: 25595654 DOI: 10.1016/j.schres.2014.12.038] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Revised: 11/27/2014] [Accepted: 12/29/2014] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Patients with schizophrenia (SZ) have deficits of facial emotion processing and cognitive inhibition, but the brain pathophysiology underlying these deficits and their interaction are not clearly understood. We tested brain activity during an emotional face go/no-go task that requires rapid executive control affected by emotional stimuli in patients with SZ using functional near-infrared spectroscopy (fNIRS). METHODS Twenty-five patients with SZ and 28 healthy control subjects were studied. We evaluated behavioral performance and used fNIRS to measure oxygenated hemoglobin concentration changes in fronto-temporal areas during the emotional go/no-go task with emotional and non-emotional blocks. RESULTS Patients with SZ made more errors and had longer reaction times in both test blocks compared with healthy subjects. Significantly greater activation in the inferior, superior, middle, and orbital frontal regions were observed in healthy subjects during the emotional go/no-go block compared to the non-emotional go/no-go block, but this difference was not observed in patients with SZ. Relative to healthy subjects, patients with SZ showed less activation in the superior and orbital frontal and middle temporal regions during the emotional go/no-go block. DISCUSSION Our results suggest that fronto-temporal dysfunction in patients with SZ is due to an interaction between abnormal processing of emotional facial expressions with negative valence and cognitive inhibition, especially during the rapid selection of rule-based associations that override automatic emotional response tendencies. They indicate that fronto-temporal dysfunction is involved in the pathophysiology of emotional-cognitive deficits in patients with SZ.
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Affiliation(s)
- Kazuteru Egashira
- Division of Neuropsychiatry, Department of Neuroscience, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan; Department of Psychiatry, University of Occupational and Environmental Health, Kitakyushu, Fukuoka 807-8555, Japan
| | - Koji Matsuo
- Division of Neuropsychiatry, Department of Neuroscience, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan.
| | - Mami Nakashima
- Division of Neuropsychiatry, Department of Neuroscience, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan; Nagatoichinomiya Hospital, Shimonoseki, Yamaguchi 751-0885, Japan
| | - Toshio Watanuki
- Division of Neuropsychiatry, Department of Neuroscience, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | - Kenichiro Harada
- Division of Neuropsychiatry, Department of Neuroscience, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | | | - Toshio Matsubara
- Division of Neuropsychiatry, Department of Neuroscience, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
| | | | - Yoshifumi Watanabe
- Division of Neuropsychiatry, Department of Neuroscience, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi 755-8505, Japan
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22
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Maat A, van Montfort SJT, de Nijs J, Derks EM, Kahn RS, Linszen DH, van Os J, Wiersma D, Bruggeman R, Cahn W, de Haan L, Krabbendam L, Myin-Germeys I. Emotion processing in schizophrenia is state and trait dependent. Schizophr Res 2015; 161:392-8. [PMID: 25543332 DOI: 10.1016/j.schres.2014.11.027] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Revised: 11/18/2014] [Accepted: 11/22/2014] [Indexed: 01/21/2023]
Abstract
BACKGROUND Substantial evidence exists about emotion processing (EP) impairments in schizophrenia patients. However, whether these deficits are present primarily during psychosis (i.e., state dependent) or an integral part of the disorder (i.e., trait dependent) remains unclear. METHODS EP was assessed with the degraded facial affect recognition task in schizophrenia patients (N=521) and healthy controls (N=312) at baseline (T1) and after a three year follow-up (T2). In schizophrenia patients symptomatic remission was assessed with the Positive and Negative Syndrome Scale (PANSS) remission tool. Patients were divided into four groups: remission T1 and remission T2 (RR); remission T1 and non-remission T2 (RN); non-remission T1 and non-remission T2 (NN) and non-remission T1 and remission T2 (NR). Factorial repeated measures ANCOVA was used to compare EP performance over time between groups. Age, gender and general cognition were included as covariates. RESULTS Schizophrenia patients performed worse than healthy controls on EP at T1 (p=0.001). The patients that were in symptomatic remission at both time points (the RR group) performed worse than the healthy controls at T2 (p<0.001). Significant group×time interactions were found between RR and RN (p=0.001), and between NR and RN (p=0.04), indicating a differential EP performance over time. No group×time interaction was found between NN and NR. CONCLUSION The results show relatively poor EP performance in schizophrenia patients compared to healthy controls. EP performance in schizophrenia patients was associated with symptomatic remission. The results provide support for the hypothesis that EP deficits in schizophrenia are both state and trait dependent.
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Affiliation(s)
- Arija Maat
- Department of Psychiatry, Academic Medical Center, University of Amsterdam, Meibergdreef 5, 1105 AZ Amsterdam, The Netherlands
| | - Simone J T van Montfort
- Department of Psychiatry, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Huispostnummer A 00.241, Postbus 85500, 3508 GA Utrecht, The Netherlands
| | - Jessica de Nijs
- Department of Psychiatry, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Huispostnummer A 00.241, Postbus 85500, 3508 GA Utrecht, The Netherlands
| | - Eske M Derks
- Department of Psychiatry, Academic Medical Center, University of Amsterdam, Meibergdreef 5, 1105 AZ Amsterdam, The Netherlands
| | - René S Kahn
- Department of Psychiatry, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Don H Linszen
- Department of Psychiatry, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Jim van Os
- South Limburg Mental Health Research and Teaching Network, EURON, Maastricht University Medical Center, Maastricht, The Netherlands; King's College London, King's Health Partners, Department of Psychosis Studies, Institute of Psychiatry, London, United Kingdom
| | - Durk Wiersma
- Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Richard Bruggeman
- Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Wiepke Cahn
- Department of Psychiatry, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands.
| | - Lieuwe de Haan
- Department of Psychiatry, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Lydia Krabbendam
- South Limburg Mental Health Research and Teaching Network, EURON, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Inez Myin-Germeys
- South Limburg Mental Health Research and Teaching Network, EURON, Maastricht University Medical Center, Maastricht, The Netherlands
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Allott KA, Rice S, Bartholomeusz CF, Klier C, Schlögelhofer M, Schäfer MR, Amminger GP. Emotion recognition in unaffected first-degree relatives of individuals with first-episode schizophrenia. Schizophr Res 2015; 161:322-8. [PMID: 25533595 DOI: 10.1016/j.schres.2014.12.010] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2014] [Revised: 11/30/2014] [Accepted: 12/06/2014] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Impairments in recognising negative emotions are found in individuals with first-episode and chronic schizophrenia and also in those at ultra-high risk for the illness. Whether these impairments are an endophenotype for schizophrenia is unclear. To examine the heritability of emotion recognition, the aim of this study was to examine whether facial and prosody emotion recognition deficits, particularly for negative emotions, are also present in unaffected first-degree relatives of people with schizophrenia. METHODS Face and prosody emotion recognition (ER) were examined in individuals with first-episode schizophrenia (n=30), their unaffected first-degree relatives (n=27) and healthy controls (n=30). Measures of psychopathology and IQ were also administered. RESULTS On the face ER task, first-episode schizophrenia participants performed significantly more poorly in recognising anger (p=.017), disgust (p=.033) and fear (p=.040) and first-degree relatives were significantly poorer at recognising fear (p=.003) than healthy controls. On the prosody ER task, first-episode schizophrenia participants made significantly more errors in recognising anger (p=.001) and surprise (p=.003) and first-degree relatives were significantly poorer at recognising anger (p=.005) than healthy controls. Effect sizes were medium to large. After controlling for age, IQ and symptoms, both unaffected first-degree relatives and first-episode schizophrenia patients displayed a significant deficit in facial fear recognition relative to healthy controls (p=.040 and p=.048, respectively). This deficit was not associated with current psychiatric symptoms. CONCLUSIONS These findings bolster evidence for emotion recognition (particularly for fear) as a heritable characteristic of schizophrenia. However, the diagnostic specificity of this finding requires further investigation.
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Affiliation(s)
- Kelly A Allott
- Orygen, The National Centre of Excellence in Youth Mental Health, Australia; Centre for Youth Mental Health, The University of Melbourne, Australia.
| | - Simon Rice
- Orygen, The National Centre of Excellence in Youth Mental Health, Australia; Centre for Youth Mental Health, The University of Melbourne, Australia
| | | | - Claudia Klier
- Department of Child and Adolescent Psychiatry, Medical University, Vienna, Austria
| | - Monika Schlögelhofer
- Department of Psychiatry and Psychotherapy, Division of Biological Psychiatry, Medical University of Vienna, Austria
| | - Miriam R Schäfer
- Orygen, The National Centre of Excellence in Youth Mental Health, Australia; Centre for Youth Mental Health, The University of Melbourne, Australia
| | - G Paul Amminger
- Orygen, The National Centre of Excellence in Youth Mental Health, Australia; Centre for Youth Mental Health, The University of Melbourne, Australia; Department of Child and Adolescent Psychiatry, Medical University, Vienna, Austria
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Drusch K, Stroth S, Kamp D, Frommann N, Wölwer W. Effects of Training of Affect Recognition on the recognition and visual exploration of emotional faces in schizophrenia. Schizophr Res 2014; 159:485-90. [PMID: 25248938 DOI: 10.1016/j.schres.2014.09.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Revised: 08/12/2014] [Accepted: 09/03/2014] [Indexed: 11/29/2022]
Abstract
BACKGROUND Schizophrenia patients have impairments in facial affect recognition and display scanpath abnormalities during the visual exploration of faces. These abnormalities are characterized by fewer fixations on salient feature areas and longer fixation durations. The present study investigated whether social-cognitive remediation not only improves performance in facial affect recognition but also normalizes patients' gaze behavior while looking at faces. METHODS Within a 2 × 2-design (group × time), 16 schizophrenia patients and 16 healthy controls performed a facial affect recognition task with concomitant infrared oculography at baseline (T0) and after six weeks (T1). Between the measurements, patients completed the Training of Affect Recognition (TAR) program. The influence of the training on facial affect recognition (percent of correct answers) and gaze behavior (number and mean duration of fixations into salient or non-salient facial areas) was assessed. RESULTS In line with former studies, at baseline patients showed poorer facial affect recognition than controls and aberrant scanpaths, and after TAR facial affect recognition was improved. Concomitant with improvements in performance, the number of fixations in feature areas ('mouth') increased while fixations in non-feature areas ('white space') decreased. However, the change in fixation behavior did not correlate with the improvement in performance. CONCLUSIONS After TAR, patients pay more attention to facial areas that contain information about a displayed emotion. Although this may contribute to the improved performance, the lack of a statistical correlation implies that this factor is not sufficient to explain the underlying mechanism of the treatment effect.
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Affiliation(s)
- Katharina Drusch
- Department of Psychiatry and Psychotherapy, Medical Faculty, Heinrich Heine University Düsseldorf, Bergische Landstrasse 2, 40629 Düsseldorf, Germany.
| | - Sanna Stroth
- Department of Psychiatry and Psychotherapy, Medical Faculty, Heinrich Heine University Düsseldorf, Bergische Landstrasse 2, 40629 Düsseldorf, Germany
| | - Daniel Kamp
- Department of Psychiatry and Psychotherapy, Medical Faculty, Heinrich Heine University Düsseldorf, Bergische Landstrasse 2, 40629 Düsseldorf, Germany
| | - Nicole Frommann
- Department of Psychiatry and Psychotherapy, Medical Faculty, Heinrich Heine University Düsseldorf, Bergische Landstrasse 2, 40629 Düsseldorf, Germany
| | - Wolfgang Wölwer
- Department of Psychiatry and Psychotherapy, Medical Faculty, Heinrich Heine University Düsseldorf, Bergische Landstrasse 2, 40629 Düsseldorf, Germany
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25
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Gaudelus B, Virgile J, Peyroux E, Leleu A, Baudouin JY, Franck N. [Measuring impairment of facial affects recognition in schizophrenia. Preliminary study of the facial emotions recognition task (TREF)]. Encephale 2014; 41:251-9. [PMID: 25240938 DOI: 10.1016/j.encep.2014.08.013] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2013] [Accepted: 04/01/2014] [Indexed: 11/18/2022]
Abstract
INTRODUCTION The impairment of social cognition, including facial affects recognition, is a well-established trait in schizophrenia, and specific cognitive remediation programs focusing on facial affects recognition have been developed by different teams worldwide. However, even though social cognitive impairments have been confirmed, previous studies have also shown heterogeneity of the results between different subjects. Therefore, assessment of personal abilities should be measured individually before proposing such programs. PURPOSE Most research teams apply tasks based on facial affects recognition by Ekman et al. or Gur et al. However, these tasks are not easily applicable in a clinical exercise. Here, we present the Facial Emotions Recognition Test (TREF), which is designed to identify facial affects recognition impairments in a clinical practice. The test is composed of 54 photos and evaluates abilities in the recognition of six universal emotions (joy, anger, sadness, fear, disgust and contempt). Each of these emotions is represented with colored photos of 4 different models (two men and two women) at nine intensity levels from 20 to 100%. Each photo is presented during 10 seconds; no time limit for responding is applied. METHOD The present study compared the scores of the TREF test in a sample of healthy controls (64 subjects) and people with stabilized schizophrenia (45 subjects) according to the DSM IV-TR criteria. We analysed global scores for all emotions, as well as sub scores for each emotion between these two groups, taking into account gender differences. Our results were coherent with previous findings. Applying TREF, we confirmed an impairment in facial affects recognition in schizophrenia by showing significant differences between the two groups in their global results (76.45% for healthy controls versus 61.28% for people with schizophrenia), as well as in sub scores for each emotion except for joy. Scores for women were significantly higher than for men in the population without psychiatric diagnosis. The study also allowed the identification of cut-off scores; results below 2 standard deviations of the healthy control average (61.57%) pointed to a facial affect recognition deficit. CONCLUSION The TREF appears to be a useful tool to identify facial affects recognition impairment in schizophrenia. Neuropsychologists, who have tried this task, have positive feedback. The TREF is easy to use (duration of about 15 minutes), easy to apply in subjects with attentional difficulties, and tests facial affects recognition at ecological intensity levels. These results have to be confirmed in the future with larger sample sizes, and in comparison with other tasks, evaluating the facial affects recognition processes.
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Affiliation(s)
- B Gaudelus
- Service universitaire de réhabilitation, centre hospitalier le Vinatier, 98, rue Boileau, 69006 Lyon, France.
| | - J Virgile
- Service universitaire de réhabilitation, centre hospitalier le Vinatier, 98, rue Boileau, 69006 Lyon, France
| | - E Peyroux
- Service universitaire de réhabilitation, centre hospitalier le Vinatier, 98, rue Boileau, 69006 Lyon, France; Centre de neuroscience cognitive, UMR 5229 CNRS, 67, boulevard Pinel, 69675 Bron cedex, France
| | - A Leleu
- Centre des sciences du Goût et de l'alimentation, UMR 6265 CNRS, UMR 1324 INRA, université de Bourgogne, bâtiment centre des sciences du goût, 9E, boulevard Jeanne-d'Arc, 21000 Dijon, France
| | - J-Y Baudouin
- Centre des sciences du Goût et de l'alimentation, UMR 6265 CNRS, UMR 1324 INRA, université de Bourgogne, bâtiment centre des sciences du goût, 9E, boulevard Jeanne-d'Arc, 21000 Dijon, France
| | - N Franck
- Service universitaire de réhabilitation, centre hospitalier le Vinatier, 98, rue Boileau, 69006 Lyon, France; Centre de neuroscience cognitive, UMR 5229 CNRS, 67, boulevard Pinel, 69675 Bron cedex, France
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Ruocco AC, Reilly JL, Rubin LH, Daros AR, Gershon ES, Tamminga CA, Pearlson GD, Hill SK, Keshavan MS, Gur RC, Sweeney JA. Emotion recognition deficits in schizophrenia-spectrum disorders and psychotic bipolar disorder: Findings from the Bipolar-Schizophrenia Network on Intermediate Phenotypes (B-SNIP) study. Schizophr Res 2014; 158:105-12. [PMID: 25052782 PMCID: PMC4152415 DOI: 10.1016/j.schres.2014.07.001] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Revised: 07/02/2014] [Accepted: 07/06/2014] [Indexed: 11/29/2022]
Abstract
BACKGROUND Difficulty recognizing facial emotions is an important social-cognitive deficit associated with psychotic disorders. It also may reflect a familial risk for psychosis in schizophrenia-spectrum disorders and bipolar disorder. OBJECTIVE The objectives of this study from the Bipolar-Schizophrenia Network on Intermediate Phenotypes (B-SNIP) consortium were to: 1) compare emotion recognition deficits in schizophrenia, schizoaffective disorder and bipolar disorder with psychosis, 2) determine the familiality of emotion recognition deficits across these disorders, and 3) evaluate emotion recognition deficits in nonpsychotic relatives with and without elevated Cluster A and Cluster B personality disorder traits. METHOD Participants included probands with schizophrenia (n=297), schizoaffective disorder (depressed type, n=61; bipolar type, n=69), bipolar disorder with psychosis (n=248), their first-degree relatives (n=332, n=69, n=154, and n=286, respectively) and healthy controls (n=380). All participants completed the Penn Emotion Recognition Test, a standardized measure of facial emotion recognition assessing four basic emotions (happiness, sadness, anger and fear) and neutral expressions (no emotion). RESULTS Compared to controls, emotion recognition deficits among probands increased progressively from bipolar disorder to schizoaffective disorder to schizophrenia. Proband and relative groups showed similar deficits perceiving angry and neutral faces, whereas deficits on fearful, happy and sad faces were primarily isolated to schizophrenia probands. Even non-psychotic relatives without elevated Cluster A or Cluster B personality disorder traits showed deficits on neutral and angry faces. Emotion recognition ability was moderately familial only in schizophrenia families. CONCLUSIONS Emotion recognition deficits are prominent but somewhat different across psychotic disorders. These deficits are reflected to a lesser extent in relatives, particularly on angry and neutral faces. Deficits were evident in non-psychotic relatives even without elevated personality disorder traits. Deficits in facial emotion recognition may reflect an important social-cognitive deficit in patients with psychotic disorders.
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Affiliation(s)
- Anthony C. Ruocco
- Department of Psychiatry, University of Illinois at Chicago, Chicago, USA,Corresponding author is now at the Department of Psychology, University of Toronto Scarborough, 1265 Military Trail, Toronto, Ontario, M1C 1A4, Canada; tel: +1-416-208-2762, fax: +1-416-207-2762.
| | - James L. Reilly
- Department of Psychiatry and Behavioral Sciences, Northwestern University, Chicago, USA
| | - Leah H. Rubin
- Department of Psychiatry, University of Illinois at Chicago, Chicago, USA
| | - Alex R. Daros
- Department of Psychology, University of Toronto Scarborough, Toronto, Canada
| | | | - Carol A. Tamminga
- Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, USA
| | | | - S. Kristian Hill
- Department of Psychology, Rosalind Franklin University of Medicine and Science, North Chicago, USA
| | - Matcheri S. Keshavan
- Department of Psychiatry, Harvard Medical School at Beth Israel Deaconess Medical Center, Boston, USA
| | - Ruben C. Gur
- Department of Psychiatry, University of Pennsylvania Perelman School of Medicine, Philadelphia, USA
| | - John A. Sweeney
- Departments of Psychiatry and Pediatrics, University of Texas Southwestern Medical Center, Dallas, USA
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Facial emotion perception differs in young persons at genetic and clinical high-risk for psychosis. Psychiatry Res 2014; 216:206-12. [PMID: 24582775 DOI: 10.1016/j.psychres.2014.01.023] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2012] [Revised: 01/10/2014] [Accepted: 01/15/2014] [Indexed: 12/14/2022]
Abstract
A large body of literature has documented facial emotion perception impairments in schizophrenia. More recently, emotion perception has been investigated in persons at genetic and clinical high-risk for psychosis. This study compared emotion perception abilities in groups of young persons with schizophrenia, clinical high-risk, genetic risk and healthy controls. Groups, ages 13-25, included 24 persons at clinical high-risk, 52 first-degree relatives at genetic risk, 91 persons with schizophrenia and 90 low risk persons who completed computerized testing of emotion recognition and differentiation. Groups differed by overall emotion recognition abilities and recognition of happy, sad, anger and fear expressions. Pairwise comparisons revealed comparable impairments in recognition of happy, angry, and fearful expressions for persons at clinical high-risk and schizophrenia, while genetic risk participants were less impaired, showing reduced recognition of fearful expressions. Groups also differed for differentiation of happy and sad expressions, but differences were mainly between schizophrenia and control groups. Emotion perception impairments are observable in young persons at-risk for psychosis. Preliminary results with clinical high-risk participants, when considered along findings in genetic risk relatives, suggest social cognition abilities to reflect pathophysiological processes involved in risk of schizophrenia.
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Abstract
BACKGROUND The human face and body are rich sources of socio-emotional cues. Accurate recognition of these cues is central to adaptive social functioning. Past studies indicate that individuals with schizophrenia (SZ) show deficits in the perception of emotion from facial cues but the contribution of bodily cues to social perception in schizophrenia is undetermined. The present study examined the detection of social cues from human gait patterns presented by computer-generated volumetric walking figures. METHOD A total of 22 SZ and 20 age-matched healthy control participants (CO) viewed 1 s movies of a 'digital' walker's gait and subsequently made a forced-choice decision on the emotional state (angry or happy) or the gender of the walker presented at three intensity levels. Overall sensitivity to the social cues and bias were computed. For SZ, symptom severity was assessed. RESULTS SZ were less sensitive than CO on both emotion and gender discrimination, regardless of intensity. While impaired overall, greater signal intensity did improve performance of SZ. Neither group differed in their response bias in either condition. The discrimination sensitivity of SZ was unrelated to their social functioning or symptoms but a bias toward perceiving gait as happy was associated with better social functioning. CONCLUSIONS These results suggest that SZ are impaired in extracting social information from gait but SZ benefited from increased signal intensity of social cues. Inaccurate perception of social cues in others may hinder adequate preparation for social interactions.
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Affiliation(s)
- J. S. Peterman
- Department of Psychology, Vanderbilt University, Nashville, TN, USA
| | - A. Christensen
- Section of Computational Sensomotorics, Department of Cognitive Neurology, Hertie-Institute for Clinical Brain Research, Centre for Integrative Neuroscience, University Clinic Tuebingen, Tuebingen, Germany
| | - M. A. Giese
- Section of Computational Sensomotorics, Department of Cognitive Neurology, Hertie-Institute for Clinical Brain Research, Centre for Integrative Neuroscience, University Clinic Tuebingen, Tuebingen, Germany
| | - S. Park
- Department of Psychology, Vanderbilt University, Nashville, TN, USA
- Department of Psychiatry, Vanderbilt University, Nashville, TN, USA
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Allott KA, Schäfer MR, Thompson A, Nelson B, Bendall S, Bartholomeusz CF, Yuen HP, McGorry PD, Schlögelhofer M, Bechdolf A, Amminger GP. Emotion recognition as a predictor of transition to a psychotic disorder in ultra-high risk participants. Schizophr Res 2014; 153:25-31. [PMID: 24552619 DOI: 10.1016/j.schres.2014.01.037] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Revised: 12/11/2013] [Accepted: 01/14/2014] [Indexed: 10/25/2022]
Abstract
AIMS Recent research has shown emotion recognition to be impaired in individuals at ultra-high risk (UHR) for developing a psychotic disorder compared to healthy controls. This longitudinal study aimed to examine whether disturbed emotion recognition measured in UHR participants at baseline predicts transition to a psychotic disorder within 12months. METHODS Thirty-seven UHR participants aged 13-22years participated in the study. At baseline participants completed face and prosody emotion recognition tasks, as well as measures of psychopathology, functioning, and IQ. Transition to a psychotic disorder over 12months was the primary outcome. A series of Cox regressions was performed with emotion recognition as the predictor variable, while controlling for covariates, with time to transition to a psychotic disorder as the dependent variable. RESULTS Eleven (29.7%) of the 37 participants transitioned to a psychotic disorder over the 12-month follow-up period. Total face or prosody emotion recognition accuracy was not predictive of transition to a psychotic disorder. However, examination of recognition of specific emotions, while controlling for positive, negative and global symptoms and functioning, revealed that accuracy in identifying neutral (p=.037) and fearful (p=.015) emotion predicted transition to a psychotic disorder. Specifically, lower accuracy in identifying neutral emotion and higher accuracy in identifying fearful emotion were predictive of transition to a psychotic disorder within 12months. Examination of the separate modalities revealed that this finding held for face but not for prosody emotion recognition. CONCLUSION These findings suggest that emotion recognition abilities may be prognostic for the development of psychotic disorders, but further studies are needed.
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Affiliation(s)
- Kelly A Allott
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, The University of Melbourne, Australia.
| | - Miriam R Schäfer
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, The University of Melbourne, Australia; Department of Child and Adolescent Psychiatry, Medical University Vienna, Austria
| | - Andrew Thompson
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, The University of Melbourne, Australia; East Sussex Early Intervention in Psychosis Service, Sussex Partnership NHS Foundation Trust, United Kingdom
| | - Barnaby Nelson
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, The University of Melbourne, Australia
| | - Sarah Bendall
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, The University of Melbourne, Australia
| | | | - Hok Pan Yuen
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, The University of Melbourne, Australia
| | - Patrick D McGorry
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, The University of Melbourne, Australia
| | - Monika Schlögelhofer
- Department of Child and Adolescent Psychiatry, Medical University Vienna, Austria
| | - Andreas Bechdolf
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, The University of Melbourne, Australia; Department of Psychiatry and Psychotherapy, University of Cologne, Germany
| | - G Paul Amminger
- Orygen Youth Health Research Centre, Centre for Youth Mental Health, The University of Melbourne, Australia; Department of Child and Adolescent Psychiatry, Medical University Vienna, Austria
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Morrison SC, Brown LA, Cohen AS. A multidimensional assessment of social cognition in psychometrically defined schizotypy. Psychiatry Res 2013; 210:1014-9. [PMID: 24001586 DOI: 10.1016/j.psychres.2013.08.020] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2012] [Revised: 07/27/2013] [Accepted: 08/08/2013] [Indexed: 10/26/2022]
Abstract
Individuals with schizophrenia exhibit impairments in multiple social cognitive domains. There is evidence that these impairments may be trait-related vulnerability markers for schizophrenia. However, the literature focusing on individuals vulnerable to developing schizophrenia-spectrum disorders, referred to as schizotypy, has produced inconsistent findings. This study's primary aim was to provide a more comprehensive understanding of social cognitive functioning within schizotypy than previous studies by employing a broad array of measures to assess multiple social cognitive domains, and examine how these domains relate to specific schizotypy traits (i.e., positive, negative, and disorganized) and Quality of Life (QOL). Facial emotion recognition, Theory of Mind (ToM), and aspects of emotional intelligence related to regulating one's own emotions (emotion management) and other's emotions (social management) were measured. Individuals with psychometrically defined schizotypy (n=36) and controls (n=26) were examined. The schizotypy group performed significantly worse than controls on facial emotion recognition, ToM, and emotion management, but not social management. Generally speaking, poorer social cognition performance was not a function of specific schizotypy traits. However, negative traits were associated with poorer facial emotion recognition, and disorganized traits were associated with better social management. Facial emotion recognition was associated with QOL in the schizotypy group.
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Ripoll LH, Zaki J, Perez-Rodriguez MM, Snyder R, Strike KS, Boussi A, Bartz JA, Ochsner KN, Siever LJ, New AS. Empathic accuracy and cognition in schizotypal personality disorder. Psychiatry Res 2013; 210:232-41. [PMID: 23810511 DOI: 10.1016/j.psychres.2013.05.025] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Revised: 05/14/2013] [Accepted: 05/19/2013] [Indexed: 01/10/2023]
Abstract
Interpersonal dysfunction contributes to significant disability in the schizophrenia spectrum. Schizotypal Personality Disorder (SPD) is a schizophrenia-related personality demonstrating social cognitive impairment in the absence of frank psychosis. Past research indicates that cognitive dysfunction or schizotypy may account for social cognitive dysfunction in this population. We tested SPD subjects and healthy controls on the Empathic Accuracy (EA) paradigm and the Reading of the Mind in the Eyes Test (RMET), assessing the impact of EA on social support. We also explored whether EA differences could be explained by intelligence, working memory, trait empathy, or attachment avoidance. SPD subjects did not differ from controls in RMET, but demonstrated lower EA during negative valence videos, associated with lower social support. Dynamic, multimodal EA paradigms may be more effective at capturing interpersonal dysfunction than static image tasks such as RMET. Schizotypal severity, trait empathy, and cognitive dysfunction did not account for empathic dysfunction in SPD, although attachment avoidance is related to empathic differences. Empathic dysfunction for negative affect contributes to decreased social support in the schizophrenia spectrum. Future research may shed further light on potential links between attachment avoidance, empathic dysfunction, and social support.
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Affiliation(s)
- Luis H Ripoll
- Mount Sinai School of Medicine, Department of Psychiatry, One Gustave L. Levy Place, Box 1230, NY 10029, United States; James J. Peters VA Medical Center, Mental Illness Research Education and Clinical Center (MIRECC), 130 West Kingsbridge Rd., Bronx, NY 10468, United States.
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Lavoie MA, Plana I, Bédard Lacroix J, Godmaire-Duhaime F, Jackson PL, Achim AM. Social cognition in first-degree relatives of people with schizophrenia: a meta-analysis. Psychiatry Res 2013; 209:129-35. [PMID: 23375626 DOI: 10.1016/j.psychres.2012.11.037] [Citation(s) in RCA: 91] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Revised: 10/12/2012] [Accepted: 11/28/2012] [Indexed: 12/14/2022]
Abstract
Social cognition is affected in people with schizophrenia, but whether this is the case for healthy relatives of these patients is less clear. The presence of social cognition impairments in relatives would suggest a potential genetic role of social cognition in schizophrenia. To determine whether social cognition is affected in first-degree relatives of people with schizophrenia and examine the impact of potential moderator variables, a meta-analysis of studies investigating at least one domain of social cognition (mentalizing, emotional processing, social perception, social knowledge and/or attributional style) in adult first-degree relatives of patients with schizophrenia was performed. Our inclusion criteria were satisfied by 29 studies, of which 11 evaluated mentalizing, 20 emotional processing, and two social perception. Moderate mean effect sizes were obtained for these three components. Across all studies, effect sizes were significantly correlated with IQ and age differences between groups, calling for careful group matching for future studies. Overall, the results from this meta-analysis highlight that social cognition is globally affected in first-degree relatives of people with schizophrenia, suggesting that social cognition deficits in schizophrenia may be related to a genetic vulnerability for the disorder.
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Visual scanning of emotional faces in schizophrenia. Neurosci Lett 2013; 552:46-51. [PMID: 23933202 DOI: 10.1016/j.neulet.2013.07.046] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Revised: 07/09/2013] [Accepted: 07/28/2013] [Indexed: 11/23/2022]
Abstract
This study investigated eye movement differences during facial emotion recognition between 101 patients with chronic schizophrenia and 101 controls. Independent of facial emotion, patients with schizophrenia processed facial information inefficiently; they showed significantly more direct fixations that lasted longer to interest areas (IAs), such as the eyes, nose, mouth, and nasion. The total fixation number, mean fixation duration, and total fixation duration were significantly increased in schizophrenia. Additionally, the number of fixations per second to IAs (IA fixation number/s) was significantly lower in schizophrenia. However, no differences were found between the two groups in the proportion of number of fixations to IAs or total fixation number (IA fixation number %). Interestingly, the negative symptoms of patients with schizophrenia negatively correlated with IA fixation number %. Both groups showed significantly greater attention to positive faces. Compared to controls, patients with schizophrenia exhibited significantly more fixations directed to IAs, a higher total fixation number, and lower IA fixation number/s for negative faces. These results indicate that facial processing efficiency is significantly decreased in schizophrenia, but no difference was observed in processing strategy. Patients with schizophrenia may have special deficits in processing negative faces, and negative symptoms may affect visual scanning parameters.
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Efficacy of social cognition remediation programs targeting facial affect recognition deficits in schizophrenia: a review and consideration of high-risk samples and sex differences. Psychiatry Res 2013; 206:125-39. [PMID: 23375627 DOI: 10.1016/j.psychres.2012.12.005] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Revised: 11/29/2012] [Accepted: 12/08/2012] [Indexed: 12/14/2022]
Abstract
Schizophrenia patients suffer from significant social functioning deficits. Social cognition, particularly facial affect recognition (FAR), is an important predictor of functional outcome. Recently, investigators developed numerous social cognition remediation programs targeting FAR deficits with the goal of improving social functioning and quality of life in schizophrenia patients. This article builds on Horan et al.'s (2008) comprehensive review and Kurtz and Richardson's (2012) meta-analysis of a broad range of social cognition remediations, by systematically reviewing efficacy of empirically based remediations in schizophrenia specifically targeting FAR (across 23 studies), and their potential functional benefits. We describe each FAR-based social cognition remediation program, which may aid clinical scientists and clinicians in selecting programs for further study and practice. We critically evaluate limitations of FAR remediation programs and applications. Our review concludes FAR remediation programs are strongly efficacious in improving FAR performance and functional status in schizophrenia. Importantly, we provide rationale for and recommend that future research consider (as yet underexplored) sexual dimorphisms in FAR remediation effects, and examine FAR remediation in clinical high-risk for psychosis populations. The goal is to mitigate deficits, perhaps hinder illness onset, and individually tailor treatments across the psychosis continuum in a way that maximally aids those in greatest need.
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Peyroux É, Gaudelus B, Franck N. Remédiation cognitive des troubles de la cognition sociale dans la schizophrénie. EVOLUTION PSYCHIATRIQUE 2013. [DOI: 10.1016/j.evopsy.2013.01.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Roddy S, Tiedt L, Kelleher I, Clarke MC, Murphy J, Rawdon C, Roche RAP, Calkins ME, Richard JA, Kohler CG, Cannon M. Facial emotion recognition in adolescents with psychotic-like experiences: a school-based sample from the general population. Psychol Med 2012; 42:2157-2166. [PMID: 22370095 DOI: 10.1017/s0033291712000311] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Psychotic symptoms, also termed psychotic-like experiences (PLEs) in the absence of psychotic disorder, are common in adolescents and are associated with increased risk of schizophrenia-spectrum illness in adulthood. At the same time, schizophrenia is associated with deficits in social cognition, with deficits particularly documented in facial emotion recognition (FER). However, little is known about the relationship between PLEs and FER abilities, with only one previous prospective study examining the association between these abilities in childhood and reported PLEs in adolescence. The current study was a cross-sectional investigation of the association between PLEs and FER in a sample of Irish adolescents. METHOD The Adolescent Psychotic-Like Symptom Screener (APSS), a self-report measure of PLEs, and the Penn Emotion Recognition-40 Test (Penn ER-40), a measure of facial emotion recognition, were completed by 793 children aged 10-13 years. RESULTS Children who reported PLEs performed significantly more poorly on FER (β=-0.03, p=0.035). Recognition of sad faces was the major driver of effects, with children performing particularly poorly when identifying this expression (β=-0.08, p=0.032). CONCLUSIONS The current findings show that PLEs are associated with poorer FER. Further work is needed to elucidate causal relationships with implications for the design of future interventions for those at risk of developing psychosis.
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Affiliation(s)
- S Roddy
- Department of Psychiatry, Royal College of Surgeons in Ireland, Dublin, Ireland.
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37
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Affect recognition in people at clinical high risk of psychosis. Schizophr Res 2012; 140:87-92. [PMID: 22763425 PMCID: PMC3460803 DOI: 10.1016/j.schres.2012.06.012] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2012] [Revised: 06/05/2012] [Accepted: 06/11/2012] [Indexed: 11/23/2022]
Abstract
Individuals with schizophrenia demonstrate stable deficits in affect recognition. Similar deficits in affect recognition have been observed in those who are at clinical high risk (CHR) of developing psychosis. The current project aimed to longitudinally examine affect processing in CHR individuals, to determine if affect processing predicted later conversion to psychosis and if affect processing deficits were unique to those who met established criteria for prodromal syndromes. The sample consisted of 172 CHR and 100 help-seeking individuals (HS) who were followed for up to 24 months. All CHR individuals met the Criteria of Prodromal Syndromes (COPS) based on the Structured Interview for Prodromal Symptoms (SIPS). The SIPS was used to determine conversion to psychosis. Affect recognition was assessed using two facial affect recognition tasks and a measure of affective prosody. In comparison to previously published data from non-psychiatric controls, both CHR and HS groups demonstrated deficits in affect recognition. By 2 years 25 CHR participants converted to psychosis. Interestingly, there were no differences between converters and non-converters on any affect recognition tasks. This is one of the first studies to longitudinally examine affect processing and its relationship to later conversion to psychosis in individuals at-risk for psychosis. While poorer affect recognition may be associated with vulnerability for psychosis, the current results suggest that it may not be a marker of developing a psychotic illness.
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Horan WP, Green MF, DeGroot M, Fiske A, Hellemann G, Kee K, Kern RS, Lee J, Sergi MJ, Subotnik KL, Sugar CA, Ventura J, Nuechterlein KH. Social cognition in schizophrenia, Part 2: 12-month stability and prediction of functional outcome in first-episode patients. Schizophr Bull 2012; 38:865-72. [PMID: 21382881 PMCID: PMC3406537 DOI: 10.1093/schbul/sbr001] [Citation(s) in RCA: 203] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
This study evaluated the longitudinal stability and functional correlates of social cognition during the early course of schizophrenia. Fifty-five first-episode schizophrenia patients completed baseline and 12-month follow-up assessments of 3 key domains of social cognition (emotional processing, theory of mind, and social/relationship perception), as well as clinical ratings of real-world functioning and symptoms. Scores on all 3 social cognitive tests demonstrated good longitudinal stability with test-retest correlations exceeding .70. Higher baseline and 12-month social cognition scores were both robustly associated with significantly better work functioning, independent living, and social functioning at the 12-month follow-up assessment. Furthermore, cross-lagged panel analyses were consistent with a causal model in which baseline social cognition drove later functional outcome in the domain of work, above and beyond the contribution of symptoms. Social cognitive impairments are relatively stable, functionally relevant features of early schizophrenia. These results extend findings from a companion study, which showed stable impairments across patients in prodromal, first-episode, and chronic phases of illness on the same measures. Social cognitive impairments may serve as useful vulnerability indicators and early clinical intervention targets.
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Affiliation(s)
- William P. Horan
- Department of Psychiatry, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA,Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA,To whom correspondence should be addressed; University of California Los Angeles Semel Institute, 300 Medical Plaza, Room 2263, Los Angeles, CA 90095-6968; tel: 310-794-1993, fax: 310-825-6626, e-mail:
| | - Michael F. Green
- Department of Psychiatry, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA,Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA
| | - Michael DeGroot
- Department of Psychiatry, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA,Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA
| | - Alan Fiske
- Department of Anthropology, University of California, Los Angeles, CA
| | - Gerhard Hellemann
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA
| | - Kimmy Kee
- Department of Psychiatry, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA,Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA,Department of Psychology, California State University, Channel Islands, CA
| | - Robert S. Kern
- Department of Psychiatry, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA,Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA
| | - Junghee Lee
- Department of Psychiatry, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA,Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA
| | - Mark J. Sergi
- Department of Psychiatry, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA,Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA,Department of Psychology, California State University, Northridge, CA
| | - Kenneth L. Subotnik
- Department of Psychiatry, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA
| | - Catherine A. Sugar
- Department of Psychiatry, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA,Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA,Department of Biostatistics, University of California, Los Angeles, CA
| | - Joseph Ventura
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA
| | - Keith H. Nuechterlein
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA,Department of Psychology, University of California, Los Angeles, CA
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Green MF, Bearden CE, Cannon TD, Fiske AP, Hellemann GS, Horan WP, Kee K, Kern RS, Lee J, Sergi MJ, Subotnik KL, Sugar CA, Ventura J, Yee CM, Nuechterlein KH. Social cognition in schizophrenia, Part 1: performance across phase of illness. Schizophr Bull 2012; 38:854-64. [PMID: 21345917 PMCID: PMC3406534 DOI: 10.1093/schbul/sbq171] [Citation(s) in RCA: 297] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/21/2010] [Indexed: 11/13/2022]
Abstract
Social cognitive impairments are consistently reported in schizophrenia and are associated with functional outcome. We currently know very little about whether these impairments are stable over the course of illness. In the current study, 3 different aspects of social cognition were assessed (emotion processing, Theory of Mind [ToM], and social relationship perception) at 3 distinct developmental phases of illness: prodromal, first episode, and chronic. In this cross-sectional study, participants included 50 individuals with the prodromal risk syndrome for psychosis and 34 demographically comparable controls, 81 first-episode schizophrenia patients and 46 demographically comparable controls, and 53 chronic schizophrenia patients and 47 demographically comparable controls. Outcome measures included total and subtest scores on 3 specialized measures of social cognition: (1) emotion processing assessed with the Mayer-Salovey-Caruso Emotional Intelligence Test, (2) ToM assessed with The Awareness of Social Inference Test, and (3) social relationship perception assessed the Relationships Across Domains Test. Social cognitive performance was impaired across all domains of social cognition and in all clinical samples. Group differences in performance were comparable across phase of illness, with no evidence of progression or improvement. Age had no significant effect on performance for either the clinical or the comparison groups. The findings suggest that social cognition in these 3 domains fits a stable pattern that has outcome and treatment implications. An accompanying article prospectively examines the longitudinal stability of social cognition and prediction of functional outcome in the first-episode sample.
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Affiliation(s)
- Michael F Green
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA 90095-6968, USA.
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Surguladze SA, Chkonia ED, Kezeli AR, Roinishvili MO, Stahl D, David AS. The McCollough effect and facial emotion discrimination in patients with schizophrenia and their unaffected relatives. Schizophr Bull 2012; 38:599-607. [PMID: 21123854 PMCID: PMC3329994 DOI: 10.1093/schbul/sbq141] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abnormalities in visual processing have been found consistently in schizophrenia patients, including deficits in early visual processing, perceptual organization, and facial emotion recognition. There is however no consensus as to whether these abnormalities represent heritable illness traits and what their contribution is to psychopathology. Fifty patients with schizophrenia, 61 of their first-degree healthy relatives, and 50 psychiatrically healthy volunteers were tested with regard to facial affect (FA) discrimination and susceptibility to develop the color-contingent illusion [the McCollough Effect (ME)]. Both patients and relatives demonstrated significantly lower accuracy in FA discrimination compared with controls. There was also a significant effect of familiality: Participants from the same families had more similar accuracy scores than those who belonged to different families. Experiments with the ME showed that schizophrenia patients required longer time to develop the illusion than relatives and controls, which indicated poor visual adaptation in schizophrenia. Relatives were marginally slower than controls. There was no significant association between the measures of FA discrimination accuracy and ME in any of the participant groups. Facial emotion discrimination was associated with the degree of interpersonal problems, as measured by the Schizotypal Personality Questionnaire in relatives and healthy volunteers, whereas the ME was associated with the perceptual-cognitive symptoms of schizotypy and positive symptoms of schizophrenia. Our results support the heritability of FA discrimination deficits as a trait and indicate visual adaptation abnormalities in schizophrenia, which are symptom related.
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Affiliation(s)
- Simon A. Surguladze
- Department of Psychosis Studies, Institute of Psychiatry, King’s College London, PO Box 69, De Crespigny Park, London SE5 9AF, UK,To whom correspondence should be addressed; tel: +442078480363, fax: +44207848572; e-mail:
| | - Eka D. Chkonia
- Department of Psychiatry, Tbilisi State Medical University, Tbilisi, Republic of Georgia
| | - Archil R. Kezeli
- Department of Behaviour and Cognitive Functions, Beritashvili Institute of Physiology, Tbilisi, Republic of Georgia
| | - Maya O. Roinishvili
- Department of Behaviour and Cognitive Functions, Beritashvili Institute of Physiology, Tbilisi, Republic of Georgia
| | - Daniel Stahl
- Department of Psychosis Studies, Institute of Psychiatry, King’s College London, PO Box 69, De Crespigny Park, London SE5 9AF, UK
| | - Anthony S. David
- Department of Psychosis Studies, Institute of Psychiatry, King’s College London, PO Box 69, De Crespigny Park, London SE5 9AF, UK
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Lin MT, Huang KH, Huang CL, Huang YJ, Tsai GE, Lane HY. MET and AKT genetic influence on facial emotion perception. PLoS One 2012; 7:e36143. [PMID: 22558359 PMCID: PMC3338598 DOI: 10.1371/journal.pone.0036143] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Accepted: 03/26/2012] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Facial emotion perception is a major social skill, but its molecular signal pathway remains unclear. The MET/AKT cascade affects neurodevelopment in general populations and face recognition in patients with autism. This study explores the possible role of MET/AKT cascade in facial emotion perception. METHODS One hundred and eighty two unrelated healthy volunteers (82 men and 100 women) were recruited. Four single nucleotide polymorphisms (SNP) of MET (rs2237717, rs41735, rs42336, and rs1858830) and AKT rs1130233 were genotyped and tested for their effects on facial emotion perception. Facial emotion perception was assessed by the face task of Mayer-Salovey-Caruso Emotional Intelligence Test (MSCEIT). Thorough neurocognitive functions were also assessed. RESULTS Regarding MET rs2237717, individuals with the CT genotype performed better in facial emotion perception than those with TT (p = 0.016 by ANOVA, 0.018 by general linear regression model [GLM] to control for age, gender, and education duration), and showed no difference with those with CC. Carriers with the most common MET CGA haplotype (frequency = 50.5%) performed better than non-carriers of CGA in facial emotion perception (p = 0.018, df = 1, F = 5.69, p = 0.009 by GLM). In MET rs2237717/AKT rs1130233 interaction, the C carrier/G carrier group showed better facial emotion perception than those with the TT/AA genotype (p = 0.035 by ANOVA, 0.015 by GLM), even when neurocognitive functions were controlled (p = 0.046 by GLM). CONCLUSIONS To our knowledge, this is the first study to suggest that genetic factors can affect performance of facial emotion perception. The findings indicate that MET variances and MET/AKT interaction may affect facial emotion perception, implicating that the MET/AKT cascade plays a significant role in facial emotion perception. Further replication studies are needed.
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Affiliation(s)
- Ming-Teng Lin
- Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan
- Department of Psychiatry, Zhudong Veterans Hospital, Hsinchu, Taiwan
| | - Kuo-Hao Huang
- Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan
- Department of Psychiatry, China Medical University Hospital, Taichung, Taiwan
| | - Chieh-Liang Huang
- Department of Psychiatry, China Medical University Hospital, Taichung, Taiwan
| | - Yu-Jhen Huang
- Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan
- Department of Psychiatry, China Medical University Hospital, Taichung, Taiwan
| | - Guochuan E. Tsai
- Department of Psychiatry, Harbor-UCLA Medical Center, Los Angeles Biomedical Research Institute, Torrance, California, United States of America
| | - Hsien-Yuan Lane
- Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan
- Department of Psychiatry, China Medical University Hospital, Taichung, Taiwan
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Dickey CC, Panych LP, Voglmaier MM, Niznikiewicz MA, Terry DP, Murphy C, Zacks R, Shenton ME, McCarley RW. Facial emotion recognition and facial affect display in schizotypal personality disorder. Schizophr Res 2011; 131:242-9. [PMID: 21640557 PMCID: PMC3159849 DOI: 10.1016/j.schres.2011.04.020] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2011] [Revised: 04/15/2011] [Accepted: 04/18/2011] [Indexed: 11/16/2022]
Abstract
BACKGROUND Patients with schizophrenia have deficits in facial affect expression and detection that hinder social interactions. The goal of this study was to examine whether or not epidemiologically-related antipsychotic-naïve schizotypal personality disorder (SPD) subjects would have similar deficits as patients with schizophrenia. METHODS Matched SPD and healthy comparison (HC) subjects were asked to identify the eight classic emotions (SPD N=55, HC N=67) and to discriminate gender. Subjects (SPD N=22, HC N=17) were also photographed while displaying the same emotional expressions. Raters scored the subjects' facial expressions along several dimensions. RESULTS SPD subjects compared with HC were slower and less accurate in identifying facial expressions. This may have been driven by deficits in identifying gender. Although raters were able to identify correctly SPD and HC subjects' expressions equally well, raters found SPD subjects' facial expressions to be more odd, more ambiguous, and the subjects less attractive in general compared with HC subjects. Raters were less confident in their ability to correctly interpret SPD subjects' facial expressions and raters were less comfortable with the idea of spending time with the SPD subjects compared with HC subjects. CONCLUSIONS SPD subjects face two hurdles in terms of daily social interactions. They have problems both in correctly interpreting others' facial expressions and in generating socially attractive and unambiguous facial expressions.
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Affiliation(s)
- Chandlee C. Dickey
- Department of Psychiatry, VA Boston Healthcare System, Psychiatry 116A-7, 940 Belmont St., Brockton, MA 02301, Laboratory of Neuroscience, VA Boston Healthcare System, 940 Belmont St., Brockton, MA 02301, Psychiatry Neuroimaging Laboratory, Brigham & Women’s Hospital, 1249 Boylston St, Boston, MA 02215,Address for Reprints: Chandlee Dickey, M.D., VA Boston Healthcare System, Psychiatry 116A-7, 940 Belmont St., Brockton, MA, 02301, , Phone: (774) 826-2457, Fax: (774) 826-1859
| | - Lawrence P. Panych
- Department of Radiology, Brigham & Women’s Hospital, 75 Francis St., Boston, MA 02216
| | - Martina M. Voglmaier
- Laboratory of Neuroscience, VA Boston Healthcare System, 940 Belmont St., Brockton, MA 02301
| | - Margaret A. Niznikiewicz
- Department of Psychiatry, VA Boston Healthcare System, Psychiatry 116A-7, 940 Belmont St., Brockton, MA 02301, Laboratory of Neuroscience, VA Boston Healthcare System, 940 Belmont St., Brockton, MA 02301, Psychiatry Neuroimaging Laboratory, Brigham & Women’s Hospital, 1249 Boylston St, Boston, MA 02215
| | - Douglas P. Terry
- Psychiatry Neuroimaging Laboratory, Brigham & Women’s Hospital, 1249 Boylston St, Boston, MA 02215
| | - Cara Murphy
- Laboratory of Neuroscience, VA Boston Healthcare System, 940 Belmont St., Brockton, MA 02301
| | - Rayna Zacks
- Laboratory of Neuroscience, VA Boston Healthcare System, 940 Belmont St., Brockton, MA 02301
| | - Martha E. Shenton
- Department of Psychiatry, VA Boston Healthcare System, Psychiatry 116A-7, 940 Belmont St., Brockton, MA 02301, Laboratory of Neuroscience, VA Boston Healthcare System, 940 Belmont St., Brockton, MA 02301, Psychiatry Neuroimaging Laboratory, Brigham & Women’s Hospital, 1249 Boylston St, Boston, MA 02215
| | - Robert W. McCarley
- Department of Psychiatry, VA Boston Healthcare System, Psychiatry 116A-7, 940 Belmont St., Brockton, MA 02301, Laboratory of Neuroscience, VA Boston Healthcare System, 940 Belmont St., Brockton, MA 02301
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First rank symptoms & facial emotion recognition deficits in antipsychotic naïve schizophrenia: Implications for social threat perception model. Prog Neuropsychopharmacol Biol Psychiatry 2011; 35:1653-8. [PMID: 21651952 DOI: 10.1016/j.pnpbp.2011.05.019] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2011] [Revised: 05/11/2011] [Accepted: 05/24/2011] [Indexed: 11/22/2022]
Abstract
Facial emotion recognition deficits (FERD) have been consistently demonstrated in schizophrenia. However the relation between psychopathology and FERD remains inconclusive. This could possibly be due to the wide heterogeneity in the psychopathology of schizophrenia. First Rank Symptoms (FRS) of schizophrenia is associated with heightened sense of paranoia and rapid processing of threatful emotional stimuli. We studied differences in patterns of FERD between homogenous sub-groups of antipsychotic naïve schizophrenia patients (n=63); namely those experiencing FRS (FRS+ group n=26) and those who did not (FRS- group n=37), in comparison to age-, sex-, education matched healthy controls (n=45). FERD was assessed using TRENDS - (Tool for Recognition of Emotions in Neuropsychiatric DisorderS), a culturally sensitive and ecologically valid (consisting of both static and dynamic emotional stimuli) tool. The total number of images of non threatful emotions (sad, happy, neutral) which were identified as any of the threatful emotions (fear, anger, disgust) and vice versa were calculated and termed TRENDS Over-identification and Under-identification score respectively. The patient group made significantly greater errors in emotion recognition as compared to healthy controls. On post hoc analysis (Tukey HSD) the patients in FRS+ group made significantly greater errors in Over-identification as compared to the FRS- group. This study supports that FERD is one of the important deficits in schizophrenia. There is a differential pattern of impairment in FERD, which supports the role of heightened threat perception in the evolution of psychopathology in schizophrenia patients.
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Kohler CG, Hoffman LJ, Eastman LB, Healey K, Moberg PJ. Facial emotion perception in depression and bipolar disorder: a quantitative review. Psychiatry Res 2011; 188:303-9. [PMID: 21601927 DOI: 10.1016/j.psychres.2011.04.019] [Citation(s) in RCA: 151] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2010] [Revised: 02/07/2011] [Accepted: 04/19/2011] [Indexed: 10/18/2022]
Abstract
A considerable body of literature has reported on emotion perception deficits and the relevance of these impairments in persons with depression and bipolar disorder. Fifty-one studies published between 1981-February 2009 were examined regarding emotion perception abilities between patient and control groups, and potential methodological, demographic and clinical moderators. Studies were identified through a computerized literature search of the MEDLINE, PsychINFO, and PubMed databases. The Meta-analysis Of Observational Studies in Epidemiology (MOOSE) standard (Stroup et al., 2000) was followed in the extraction of relevant studies and data. Data on emotion perception, methodology, demographic and clinical characteristics were compiled and analyzed using Comprehensive Meta-Analysis version 2.0 (Biostat, 2005). The meta-analysis revealed a moderate deficit in emotion perception in both bipolar disorder and major depressive disorder, irrespective of task type, diagnosis, age of onset/duration of illness, sex, and hospitalization status. Several factors that moderated the observed impairment include self-reported depression, age at time of testing, and years of education. Emotion perception impairment in bipolar disorder and major depressive disorder represents a moderate and stable deficit that appears to be moderated by a limited number of demographic and clinical factors.
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Affiliation(s)
- Christian G Kohler
- Schizophrenia Research Center, Department of Psychiatry, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA.
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Thompson AD, Bartholomeusz C, Yung AR. Social cognition deficits and the 'ultra high risk' for psychosis population: a review of literature. Early Interv Psychiatry 2011; 5:192-202. [PMID: 21726422 DOI: 10.1111/j.1751-7893.2011.00275.x] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
AIM A number of risk factors for developing a psychotic disorder have been investigated in the 'ultra high risk' (UHR) population, including neurocognitive abilities, social functioning and, more recently, social cognition. We aimed to review the literature on social cognition in the UHR population. METHODS Literature was restricted to English articles and identified using Pubmed, Medline, PsychINFO and CINAHLplus, as well as the reference lists of published studies and reviews. Search terms included social cognition, theory of mind, emotion recognition, attributional style, social knowledge, social perception, 'at risk mental state', psychosis prodrome 'clinical high risk' and 'ultra high risk'. Inclusion criteria were an outcome measure of a social cognition task and an UHR population defined by a structured validated instrument. RESULTS Seven original research articles met the inclusion criteria, one of which was a conference abstract. One of the two studies that assessed theory of mind, two of the four studies that assessed emotion recognition and both the two studies that assessed social perception/knowledge found significant deficits in UHR patients. The single study that assessed attributional bias also reported differences in UHR patients compared with healthy controls. CONCLUSIONS There is limited published literature on social cognitive performance in the UHR population. Despite this, deficits in certain social cognitive abilities do appear to be present, but further research with more reliable cross-cultural measures is needed. The characterization of social cognitive deficits in the UHR populations may aid in the identification of potential markers for development of a subsequent psychotic disorder, as well as targets for early intervention.
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Affiliation(s)
- Andrew D Thompson
- Orygen Youth Health and Research Centre, Centre for Adolescent Mental Health, Victoria, Australia.
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46
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Surguladze SA, Chu EM, Marshall N, Evans A, Anilkumar APP, Timehin C, McDonald C, Ecker C, Phillips ML, David AS. Emotion processing in schizophrenia: fMRI study of patients treated with risperidone long-acting injections or conventional depot medication. J Psychopharmacol 2011; 25:722-33. [PMID: 20360158 DOI: 10.1177/0269881110363316] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We employed two event-related functional magnetic resonance imaging tasks using the pictures of mild and intense facial emotions of fear or happiness. The sample comprised 16 chronic schizophrenia patients treated with risperidone long-acting injections (RLAI), 16 patients treated with conventional antipsychotic depots (CONV) and 16 healthy controls (HC). The HC and RLAI groups demonstrated greater activation in the left amygdala in response to intensively fearful faces, and in right cerebellum to intensively happy faces compared with CONV patients. The CONV group demonstrated under-activation in the right temporal pole in response to intensively happy faces (compared with HC) and over-activation in ventro-medial prefrontal cortex (VMPFC) in response to both intensively happy and fearful expressions, compared with HC and RLAI groups. Our results suggest that networks implicated in the allocation of attentional resources (VMPFC) and emotion processing (amygdala, cerebellum) are differentially affected in patients on CONV versus RLAI.
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Affiliation(s)
- Simon A Surguladze
- Division of Psychological Medicine and Psychiatry, King's College London Institute of Psychiatry, London, UK.
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Abstract
BACKGROUND Deficits in face emotion recognition (FER) in schizophrenia are well documented, and have been proposed as a potential intermediate phenotype for schizophrenia liability. However, research on the relationship between psychosis vulnerability and FER has mixed findings and methodological limitations. Moreover, no study has yet characterized the relationship between FER ability and level of psychosis-proneness. If FER ability varies continuously with psychosis-proneness, this suggests a relationship between FER and polygenic risk factors. METHOD We tested two large internet samples to see whether psychometric psychosis-proneness, as measured by the Schizotypal Personality Questionnaire-Brief (SPQ-B), is related to differences in face emotion identification and discrimination or other face processing abilities. RESULTS Experiment 1 (n=2332) showed that psychosis-proneness predicts face emotion identification ability but not face gender identification ability. Experiment 2 (n=1514) demonstrated that psychosis-proneness also predicts performance on face emotion but not face identity discrimination. The tasks in Experiment 2 used identical stimuli and task parameters, differing only in emotion/identity judgment. Notably, the relationships demonstrated in Experiments 1 and 2 persisted even when individuals with the highest psychosis-proneness levels (the putative high-risk group) were excluded from analysis. CONCLUSIONS Our data suggest that FER ability is related to individual differences in psychosis-like characteristics in the normal population, and that these differences cannot be accounted for by differences in face processing and/or visual perception. Our results suggest that FER may provide a useful candidate intermediate phenotype.
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Affiliation(s)
- L T Germine
- Department of Psychology, Harvard University, 33 Kirkland Street, Cambridge, MA 02138, USA.
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48
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Thompson A, Sullivan S, Heron J, Thomas K, Zammit S, Horwood J, Gunnell D, Hollis C, Lewis G, Wolke D, Harrison G. Childhood facial emotion recognition and psychosis-like symptoms in a nonclinical population at 12 years of age: results from the ALSPAC birth cohort. Cogn Neuropsychiatry 2011; 16:136-57. [PMID: 20924855 DOI: 10.1080/13546805.2010.510040] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Nonclinical psychotic symptoms (for example, low intensity or low frequency psychotic symptoms such as ideas of reference or single word auditory hallucinations) are common in adolescents and may be associated with an increased risk of developing a psychotic disorder in adulthood. Those at high risk of developing a psychotic disorder appear to perform poorly on facial emotion recognition tasks but the relationship between facial emotion recognition and nonclinical "psychosis like symptoms" (PLIKS) in children is unclear. We aimed to examine the association between childhood facial emotion recognition and PLIKS in adolescents. METHODS Longitudinal study using a large birth cohort. 6455 subjects completed a semistructured clinical assessment for psychotic symptoms (the PLIKSi) at the mean age of 12.9 (SD=0.23). Facial emotion recognition (using the DANVA) was previously assessed at the age of 8 in the cohort. RESULTS There was no increase in odds of reporting any PLIKS either in relation to the total score on the measure of facial emotion recognition or for the individual emotion scores of fear, sadness, anger, and happiness. Similar results were also found when examining more intense and/or more frequently experienced psychotic symptoms. CONCLUSIONS Deficits in facial emotion recognition in 8-year-olds do not appear to predict later reporting of nonclinical psychotic symptoms in early adolescence. The results do not support the proposal that recognition of emotion is a trait phenomenon in those individuals at increased risk for psychosis. However, further research is warranted in older children/adolescents when more subtle emotion recognition deficits can be investigated.
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Affiliation(s)
- Andrew Thompson
- The Academic Unit of Psychiatry, University of Bristol, Bristol, UK.
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49
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Impairment of emotional expression recognition in schizophrenia: a Cuban familial association study. Psychiatry Res 2011; 185:44-8. [PMID: 20580837 DOI: 10.1016/j.psychres.2009.10.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2007] [Revised: 10/14/2009] [Accepted: 10/19/2009] [Indexed: 12/18/2022]
Abstract
It is well established that schizophrenia is associated with difficulties in recognizing facial emotional expressions, but few studies have reported the presence of this deficit among their unaffected relatives. This study attempts to add new evidence of familial association on an emotional expression processing test. The study evaluated the performance of 93 paranoid schizophrenia patients, 110 first-degree relatives of probands from multiplex schizophrenia families, and 109 nonpsychiatric controls on a facial emotional recognition test using a computer morphing technique to present the dynamic expressions. The task entailed the recognition of a set of facial expressions depicting the six basic emotions presented in 21 successive frames of increasing intensity. The findings indicated that schizophrenia patients were consistently impaired for the recognition of the six basic facial expressions. In contrast, their unaffected relatives showed a selective impairment for the recognition of disgust and fearful expressions. Familial association of selective facial emotional expressions processing deficit may further implicate promising new endophenotypes that can advance the understanding of affective deficits in schizophrenia.
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50
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Eack SM, Mermon DE, Montrose DM, Miewald J, Gur RE, Gur RC, Sweeney JA, Keshavan MS. Social cognition deficits among individuals at familial high risk for schizophrenia. Schizophr Bull 2010; 36:1081-8. [PMID: 19366983 PMCID: PMC2963048 DOI: 10.1093/schbul/sbp026] [Citation(s) in RCA: 115] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Social cognition in young relatives of schizophrenia probands (N=70) and healthy controls (N=63) was assessed using the Penn Emotion Recognition Test-40 to examine the presence of social cognitive deficits in individuals at risk for the disorder. Measures of neurocognitive function and prodromal psychopathology were collected to assess the cognitive and clinical correlates of social cognitive impairments in at-risk relatives. Results indicated that when compared with healthy controls, individuals at familial high risk for schizophrenia were significantly more likely to overattribute emotions to neutral faces, with such individuals frequently misinterpreting neutral faces as negative. In addition, at-risk individuals had significantly greater reaction times when completing emotion recognition tasks, regardless of valence. Impairments in neurocognition were largely independent of social cognitive performance, and emotion recognition impairments persisted after adjusting for deficits in neurocognitive function. Further, social cognitive impairments in the interpretation of neutral faces were significantly associated with greater positive and general prodromal psychopathology, whereas neurocognitive impairments were only associated with disorganization. These results suggest that impairments in social cognition may be unique endophenotypes for schizophrenia.
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Affiliation(s)
- Shaun M. Eack
- School of Social Work, University of Pittsburgh, Pittsburgh, PA,Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, University of Pittsburgh, Pittsburgh, PA
| | - Diana E. Mermon
- Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, University of Pittsburgh, Pittsburgh, PA
| | - Debra M. Montrose
- Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, University of Pittsburgh, Pittsburgh, PA
| | - Jean Miewald
- Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, University of Pittsburgh, Pittsburgh, PA
| | - Raquel E. Gur
- Neuropsychiatry Division, Department of Psychiatry, University of Pennsylvania, Philadelphia, PA
| | - Ruben C. Gur
- Neuropsychiatry Division, Department of Psychiatry, University of Pennsylvania, Philadelphia, PA
| | - John A. Sweeney
- Department of Psychiatry, Center for Cognitive Medicine, University of Illinois at Chicago, Chicago, IL
| | - Matcheri S. Keshavan
- Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, University of Pittsburgh, Pittsburgh, PA,Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI,Department of Psychiatry, Harvard Medical School, Boston, MA,To whom correspondence should be addressed; Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, University of Pittsburgh, 3811 O'Hara Street, Pittsburgh, PA 15213; tel: (313) 993-6732; fax: (313) 577-5900, e-mail:
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