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The relationship between negative symptoms, social cognition, and social functioning in patients with first episode psychosis. J Psychiatr Res 2022; 155:171-179. [PMID: 36041260 DOI: 10.1016/j.jpsychires.2022.08.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 07/18/2022] [Accepted: 08/04/2022] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Social functioning is severely affected in psychotic disorders. Negative symptoms and social cognition seem to play an important role in social functioning, although the preponderance and relationship between these three domains is not clear. In this study, we sought to assess the interrelation between social cognition, social functioning, and the expressiveness and experiential factors of negative symptoms in first-episode psychosis (FEP). SAMPLE AND METHODS 216 patients, participants in a multicentre study (AGES-CM), comprised our study sample. The WHO Disability Assessment Schedule (WHODAS 2.0) was used to assess functioning, whereas the Positive and Negative Schizophrenia Syndrome Scale (PANSS) was used to measure the severity of negative symptoms, and the Mayer-Salovey-Caruso Emotional Intelligence Test (MSCEIT) was applied to assess the emotional processing component of social cognition. Network analyses were conducted with the aim of analysing the patterns of relationships between social cognition, social functioning, and the expressiveness and experiential factors of negative symptoms. RESULTS Our findings suggest that there is a direct relationship between social cognition and social functioning (weight = -.077), but also an indirect connection between them, mediated by the experiential (but not the expressiveness) factor of negative symptoms (weight = 0.300). DISCUSSION The importance of the affectation of subdomains of social cognition, as well as the role of negative symptoms, specifically the experiential factor, in the functioning of patients with FEP seems to be relevant. The inclusion of these factors in prevention and treatment programs would thus allow us to reduce their impact on the social functioning of these patients.
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Wang DM, Du YX, Zhu RR, Tian Y, Chen JJ, Chen DC, Wang L, Zhang XY. The relationship between cognitive impairment and superoxide dismutase activity in untreated first-episode patients with schizophrenia. World J Biol Psychiatry 2022; 23:517-524. [PMID: 34918615 DOI: 10.1080/15622975.2021.2013093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Objectives: Cognitive decline is an essential characteristic of schizophrenia and may be due to the disturbance between reactive oxygen species generation and antioxidant capacity. The study aimed to explore the association between cognitive deficits and antioxidant defence parameters in untreated first-episode patients with schizophrenia.Methods: We determined important antioxidant enzymes, total superoxide dismutase (SOD) and manganese SOD (MnSOD), and their relationship with cognitive impairment in 168 untreated patients with first-episode schizophrenia and 168 age- and sex-matched healthy controls. The evaluation of psychopathological symptoms of all patients was based on the Positive and Negative Syndrome Scale (PANSS). We measured cognitive function by the Repeated Battery for the Assessment of Neuropsychological Status (RBANS) and activities of total SOD and MnSOD in all participants.Results: The results showed that untreated patients with first-episode schizophrenia had deficient cognitive functioning in four RBANS indices and total scores, except for the visuospatial/constructional index, as well as higher plasma total SOD activity compared with the control subjects. In addition, significant negative correlations were identified between MnSOD activity and attention index or RBANS total score in patients.Conclusions: Our results suggest that oxidative stress may be partly responsible for cognitive dysfunction in the early course of schizophrenia.
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Affiliation(s)
- Dong Mei Wang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Yu Xuan Du
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Rong Rong Zhu
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Yang Tian
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Jia Jing Chen
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | | | - Li Wang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Xiang Yang Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
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Griffiths SL, Birchwood M. A Synthetic Literature Review on the Management of Emerging Treatment Resistance in First Episode Psychosis: Can We Move towards Precision Intervention and Individualised Care? ACTA ACUST UNITED AC 2020; 56:medicina56120638. [PMID: 33255489 PMCID: PMC7761187 DOI: 10.3390/medicina56120638] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/17/2020] [Accepted: 11/21/2020] [Indexed: 12/15/2022]
Abstract
Treatment resistance is prevalent in early intervention in psychosis services, and causes a significant burden for the individual. A wide range of variables are shown to contribute to treatment resistance in first episode psychosis (FEP). Heterogeneity in illness course and the complex, multidimensional nature of the concept of recovery calls for an evidence base to better inform practice at an individual level. Current gold standard treatments, adopting a ‘one-size fits all’ approach, may not be addressing the needs of many individuals. This following review will provide an update and critical appraisal of current clinical practices and methodological approaches for understanding, identifying, and managing early treatment resistance in early psychosis. Potential new treatments along with new avenues for research will be discussed. Finally, we will discuss and critique the application and translation of machine learning approaches to aid progression in this area. The move towards ‘big data’ and machine learning holds some prospect for stratifying intervention-based subgroups of individuals. Moving forward, better recognition of early treatment resistance is needed, along with greater sophistication and precision in predicting outcomes, so that effective evidence-based treatments can be appropriately tailored to the individual. Understanding the antecedents and the early trajectory of one’s illness may also be key to understanding the factors that drive illness course.
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Affiliation(s)
- Siân Lowri Griffiths
- Institute for Mental Health, University of Birmingham, Birmingham B15 2TT, UK
- Correspondence: ; Tel.: +44-7912-4972-67
| | - Max Birchwood
- Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK;
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Do cognitive and neuropsychological functioning deficits coincide with hippocampal alteration during first-psychotic episode? CNS Spectr 2019; 24:472-478. [PMID: 30507369 DOI: 10.1017/s1092852918001293] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Numerous studies shown that structural hippocampal alterations are present in subjects at high risk of developing psychosis or schizophrenia. These findings indicate that in a subset of patients undergoing first-psychosis episode (FPE), hippocampal volume alterations are accompanied by associated cognitive and neuropsychological deficits. The combination of psychological deficits and neuroanatomical alterations, in turn, appears to increase treatment complexity and worsen clinical outcomes. OBJECTIVE We aim to determine whether cognitive and neuropsychological functioning deficits precede or follow hippocampal alterations during early onset psychosis. METHODS This cross-sectional study describes 3 case-studies of adolescent subjects, ages 16-17, admitted at the child and adolescent inpatient psychiatric unit in lieu of first psychotic episode. We conducted detailed structured clinical psychiatric interviews, anatomical-structural magnetic resonance imaging (MRI), sleep-deprived electroencephalogram (EEG) recordings, laboratory testing, and a comprehensive battery of psychological testing to better understand their clinical pictures. RESULTS Psychological testing in each patient demonstrated the presence of low to borderline intellectual functioning coupled with neuropsychological deficits in different psychiatric domains. Interestingly, these changes coincided with structural MRI alterations in the hippocampal area. CONCLUSIONS Our case report adds to the armamentarium of literature signifying that radiologically detectable alterations of the hippocampus may occur either concomitantly or closely following the development of early cognitive deficits in patients with FPE.
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Lecardeur L, Meunier-Cussac S, Dollfus S. Mobile Intensive Care Unit: A case management team dedicated to early psychosis in France. Early Interv Psychiatry 2018; 12:995-999. [PMID: 29717820 DOI: 10.1111/eip.12674] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 02/19/2018] [Accepted: 03/13/2018] [Indexed: 12/23/2022]
Abstract
AIM To present the activities of a Mobile Intensive Care Unit in France. METHODS We summarize participant recruitment as well as the diagnostic procedures and therapeutic interventions offered to individuals with an at-risk mental state or first-episode psychosis (FEP). RESULTS Since its inception in 2010, 266 individuals from 16 to 30 years old living in an area of 120 000 citizens have been recruited by the Mobile Intensive Care Unit. Patients are evaluated by clinical and neuropsychological assessments, and therapeutic interventions include medication, individual case management and both individual and group cognitive behavioural therapy. Diagnostic assessments are also provided for the patients outside of our geographic area. CONCLUSIONS The Mobile Intensive Care Unit is a functional unit enabling young adults with a high-risk mental state or FEP to receive high standard of care and mobile management over 2 years, aimed at diminishing the risk of transition to chronic disease and decreasing functional impairment.
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Affiliation(s)
- Laurent Lecardeur
- UNICAEN, Normandie University, Caen, France.,Caen University Hospital, Adult Psychiatric Unit, Mobile Intensive Care Unit, Caen, France.,UNICAEN, Medical School, Normandie University, Caen, France
| | - Sophie Meunier-Cussac
- Caen University Hospital, Adult Psychiatric Unit, Mobile Intensive Care Unit, Caen, France
| | - Sonia Dollfus
- UNICAEN, Normandie University, Caen, France.,Caen University Hospital, Adult Psychiatric Unit, Mobile Intensive Care Unit, Caen, France.,UNICAEN, Medical School, Normandie University, Caen, France
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Early onset first episode psychosis: dimensional structure of symptoms, clinical subtypes and related neurodevelopmental markers. Eur Child Adolesc Psychiatry 2018; 27:171-179. [PMID: 28748485 PMCID: PMC5842250 DOI: 10.1007/s00787-017-1026-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 07/10/2017] [Indexed: 01/01/2023]
Abstract
Despite the growing interest in a dimensional approach to the assessment of symptoms and clinically relevant phenomena in schizophrenia spectrum disorders, very few studies, to date, have examined the dimensional structure of symptoms in early onset first episode psychosis. In the present study, we assessed a sample of 60 children and adolescents of both sexes with first episode schizophrenia spectrum psychosis. A principal component analysis (PCA) of the Positive and Negative Syndrome Scale (PANSS) was performed and the factors obtained were used to carry out a cluster analysis. Sex, age of onset before or after 13, markers of early neurodevelopmental impairment and intellectual disabilities were considered as variables to characterized potential clinical subtypes, applying a one-way analysis of variance. Four factors were extracted ("negative symptoms", "delusions", "conceptual disorganization" and "paranoid/hostility"), each of them identifying a discrete clinical subtype of patients. No difference was found among the groups about sex and age of onset; delayed speech/language development was significantly associated with the "delusions" subtype and both "conceptual disorganization" and "delusions" subtypes showed a lower intelligence quotient (IQ). The four factors model we presented highlights "negative symptoms" as the most consistent factor; among positive symptoms, unusual thought content and conceptual disorganization resulted more distinctive of psychosis, at this age range, than perceptual abnormalities. Evolutionary trajectories of the four clinical subtypes we obtained seem to be influenced by cognitive and neurodevelopmental impairment rather than sex and age of onset.
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Lecigne M, Tapia G. Trouble de stress post-traumatique et trouble lié à l’usage de substances illicites : le rôle médiateur des schémas précoces inadaptés. PRAT PSYCHOL 2016. [DOI: 10.1016/j.prps.2016.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Fakra E, Belzeaux R, Azorin JM, Adida M. [Negative symptoms, emotion and cognition in schizophrenia]. Encephale 2016; 41:6S18-21. [PMID: 26776386 DOI: 10.1016/s0013-7006(16)30005-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
For a long time, treatment of schizophrenia has been essentially focussed on positive symptoms managing. Yet, even if these symptoms are the most noticeable, negative symptoms are more enduring, resistant to pharmacological treatment and associated with a worse prognosis. In the two last decades, attention has shift towards cognitive deficit, as this deficit is most robustly associated to functional outcome. But it appears that the modest improvement in cognition, obtained in schizophrenia through pharmacological treatment or, more purposely, by cognitive enhancement therapy, has only lead to limited amelioration of functional outcome. Authors have claimed that pure cognitive processes, such as those evaluated and trained in lots of these programs, may be too distant from real-life conditions, as the latter are largely based on social interactions. Consequently, the field of social cognition, at the interface of cognition and emotion, has emerged. In a first part of this article we examined the links, in schizophrenia, between negative symptoms, cognition and emotions from a therapeutic standpoint. Nonetheless, investigation of emotion in schizophrenia may also hold relevant premises for understanding the physiopathology of this disorder. In a second part, we propose to illustrate this research by relying on the heuristic value of an elementary marker of social cognition, facial affect recognition. Facial affect recognition has been repeatedly reported to be impaired in schizophrenia and some authors have argued that this deficit could constitute an endophenotype of the illness. We here examined how facial affect processing has been used to explore broader emotion dysfunction in schizophrenia, through behavioural and imaging studies. In particular, fMRI paradigms using facial affect have shown particular patterns of amygdala engagement in schizophrenia, suggesting an intact potential to elicit the limbic system which may however not be advantageous. Finally, we analysed facial affect processing on a cognitive-perceptual level, and the aptitude in schizophrenia to manipulate featural and configural information in faces.
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Affiliation(s)
- E Fakra
- Service de Psychiatrie adultes, CHU Saint-Étienne, 5 Chemin de la Marandière, 42055 Saint-Étienne cedex 2, France.
| | - R Belzeaux
- SHU Psychiatrie adultes, Hôpital Ste Marguerite, 13274 Marseille cedex 9, France
| | - J-M Azorin
- SHU Psychiatrie adultes, Hôpital Ste Marguerite, 13274 Marseille cedex 9, France
| | - M Adida
- SHU Psychiatrie adultes, Hôpital Ste Marguerite, 13274 Marseille cedex 9, France
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Schenin-King P, Thomas F, Braha-Zeitoun S, Bouaziz N, Januel D. [Cognitive remediation and nursing care]. Soins Psychiatr 2016; 37:42-43. [PMID: 27615702 DOI: 10.1016/j.spsy.2016.07.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Therapies based on cognitive remediation integrate psychiatric care. Cognitive remediation helps to ease cognitive disorders and enable patients to improve their day-to-day lives. It is essential to complete nurses' training in this field. This article presents the example of a patient with schizophrenia who followed the Cognitive Remediation Therapy programme, enabling him to access mainstream employment.
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Affiliation(s)
- Palmyre Schenin-King
- Unité de recherche clinique, EPS Ville-Évrard, 202, avenue Jean-Jaurès, 93332 Neuilly-sur-Marne Cedex, France.
| | - Fanny Thomas
- Unité de recherche clinique, EPS Ville-Évrard, 202, avenue Jean-Jaurès, 93332 Neuilly-sur-Marne Cedex, France
| | - Sonia Braha-Zeitoun
- Unité de recherche clinique, EPS Ville-Évrard, 202, avenue Jean-Jaurès, 93332 Neuilly-sur-Marne Cedex, France
| | - Noomane Bouaziz
- Unité de recherche clinique, EPS Ville-Évrard, 202, avenue Jean-Jaurès, 93332 Neuilly-sur-Marne Cedex, France
| | - Dominique Januel
- Unité de recherche clinique, EPS Ville-Évrard, 202, avenue Jean-Jaurès, 93332 Neuilly-sur-Marne Cedex, France
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Top-down computerized cognitive remediation in schizophrenia: a case study of an individual with impairment in verbal fluency. Case Rep Psychiatry 2015; 2015:242364. [PMID: 25949840 PMCID: PMC4408634 DOI: 10.1155/2015/242364] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2015] [Accepted: 03/29/2015] [Indexed: 01/05/2023] Open
Abstract
The objective of this case study was to assess the specific effect of cognitive remediation for schizophrenia on the pattern of cognitive impairments. Case A is a 33-year-old man with a schizophrenia diagnosis and impairments in visual memory, inhibition, problem solving, and verbal fluency. He was provided with a therapist delivered cognitive remediation program involving practice and strategy which was designed to train attention, memory, executive functioning, visual-perceptual processing, and metacognitive skills. Neuropsychological and clinical assessments were administered at baseline and after three months of treatment. At posttest assessment, Case A had improved significantly on targeted (visual memory and problem solving) and nontargeted (verbal fluency) cognitive processes. The results of the current case study suggest that (1) it is possible to improve specific cognitive processes with targeted exercises, as seen by the improvement in visual memory due to training exercises targeting this cognitive domain; (2) cognitive remediation can produce improvements in cognitive processes not targeted during remediation since verbal fluency was improved while there was no training exercise on this specific cognitive process; and (3) including learning strategies in cognitive remediation increases the value of the approach and enhances participant improvement, possibly because strategies using verbalization can lead to improvement in verbal fluency even if it was not practiced.
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AZURPSY – Schizophrénie et symptômes négatifs : de la physiopathologie aux innovations thérapeutiques. Eur Psychiatry 2014. [DOI: 10.1016/j.eurpsy.2014.09.376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
L’association « AZUR Psy » regroupe des psychiatres investis dans la recherche et l’innovation en psychiatrie qui mènent des travaux en collaboration entre les hôpitaux de l’inter-région Sud. La schizophrénie est une des thématiques privilégiée de cette association, les symptômes négatifs et les troubles cognitifs étant des facteurs pronostics majeurs du fonctionnement quotidien des patients. Ces symptômes restent encore aujourd’hui peu accessibles aux stratégies thérapeutiques pharmacologiques. L’objet de cette session « Forum des associations » est de présenter des travaux récents et en cours qui s’attachent à mieux comprendre les symptômes négatifs et améliorer la prise en charge des patients par des innovations thérapeutiques. Le professeur Eric Fakra présentera une revue de la littérature sur la physiopathologie des symptômes négatifs et des dysrégulations émotionnelles chez les patients schizophrènes [1]. Les travaux récents des membres de l’association utilisant une approche intégrant la biologie moléculaire et l’imagerie fonctionnelle seront également exposés. Le docteur Bruno Giordana présentera une revue de la littérature sur les méthodes de remédiation cognitive actuellement disponibles [2]. Il présentera l’intérêt de développer un nouveau programme intégratif s’adressant à des patients déficitaires et hospitalisés au long cours. Le docteur Jérôme Attal présentera les techniques de neurostimulation (stimulation magnétique transcrânienne répétée (rTMS), stimulation transcrânienne par courant continu (tDCS), stimulation cérébrale profonde) qui font actuellement l’objet de plusieurs protocoles de recherche dans le champ des symptômes négatifs [3]. Ces techniques pourraient devenir de nouvelles stratégies thérapeutiques pour les patients. Il exposera ainsi un projet de recherche en cours sur l’efficacité de la tDCS sur les symptômes négatifs dans la schizophrénie impliquant plusieurs membres de notre association. Enfin, cette session souhaite être l’occasion de présenter et de partager ce modèle de partenariat inter-régional original dans le champ de la recherche en psychiatrie et d’ouvrir notre association à de futures collaborations.
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Basso Moro S, Cutini S, Ursini ML, Ferrari M, Quaresima V. Prefrontal cortex activation during story encoding/retrieval: a multi-channel functional near-infrared spectroscopy study. Front Hum Neurosci 2013; 7:925. [PMID: 24427131 PMCID: PMC3876278 DOI: 10.3389/fnhum.2013.00925] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 12/17/2013] [Indexed: 12/14/2022] Open
Abstract
Encoding, storage and retrieval constitute three fundamental stages in information processing and memory. They allow for the creation of new memory traces, the maintenance and the consolidation of these traces over time, and the access and recover of the stored information from short or long-term memory. Functional near-infrared spectroscopy (fNIRS) is a non-invasive neuroimaging technique that measures concentration changes of oxygenated-hemoglobin (O2Hb) and deoxygenated-hemoglobin (HHb) in cortical microcirculation blood vessels by means of the characteristic absorption spectra of hemoglobin in the near-infrared range. In the present study, we monitored, using a 16-channel fNIRS system, the hemodynamic response during the encoding and retrieval processes (EP and RP, respectively) over the prefrontal cortex (PFC) of 13 healthy subjects (27.2 ± 2.6 years) while were performing the “Logical Memory Test” (LMT) of the Wechsler Memory Scale. A LMT-related PFC activation was expected; specifically, it was hypothesized a neural dissociation between EP and RP. The results showed a heterogeneous O2Hb/HHb response over the mapped area during the EP and the RP, with a O2Hb progressive and prominent increment in ventrolateral PFC (VLPFC) since the beginning of the EP. During the RP a broader activation, including the VLPFC, the dorsolateral PFC and the frontopolar cortex, was observed. This could be explained by the different contributions of the PFC regions in the EP and the RP. Considering the fNIRS applicability for the hemodynamic monitoring during the LMT performance, this study has demonstrated that fNIRS could be utilized as a valuable clinical diagnostic tool, and that it has the potential to be adopted in patients with cognitive disorders or slight working memory deficits.
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Affiliation(s)
- Sara Basso Moro
- Department of Life, Health and Environmental Sciences, University of L'Aquila L'Aquila, Italy
| | - Simone Cutini
- Department of General Psychology, University of Padua Padova, Italy
| | - Maria Laura Ursini
- Department of Life, Health and Environmental Sciences, University of L'Aquila L'Aquila, Italy
| | - Marco Ferrari
- Department of Life, Health and Environmental Sciences, University of L'Aquila L'Aquila, Italy
| | - Valentina Quaresima
- Department of Life, Health and Environmental Sciences, University of L'Aquila L'Aquila, Italy
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États mixtes et schizophrénie. Encephale 2013; 39 Suppl 3:S139-44. [DOI: 10.1016/s0013-7006(13)70112-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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