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Sang F, Zhao S, Li Z, Yang Y, Chen Y, Zhang Z. Cortical thickness reveals sex differences in verbal and visuospatial memory. Cereb Cortex 2024; 34:bhae067. [PMID: 38451300 DOI: 10.1093/cercor/bhae067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 02/03/2024] [Accepted: 02/04/2024] [Indexed: 03/08/2024] Open
Abstract
Although previous studies have reported the sex differences in behavior/cognition and the brain, the sex difference in the relationship between memory abilities and the underlying neural basis in the aging process remains unclear. In this study, we used a machine learning model to estimate the association between cortical thickness and verbal/visuospatial memory in females and males and then explored the sex difference of these associations based on a community-elderly cohort (n = 1153, age ranged from 50.42 to 86.67 years). We validated that females outperformed males in verbal memory, while males outperformed females in visuospatial memory. The key regions related to verbal memory in females include the medial temporal cortex, orbitofrontal cortex, and some regions around the insula. Further, those regions are more located in limbic, dorsal attention, and default-model networks, and are associated with face recognition and perception. The key regions related to visuospatial memory include the lateral prefrontal cortex, anterior cingulate gyrus, and some occipital regions. They overlapped more with dorsal attention, frontoparietal and visual networks, and were associated with object recognition. These findings imply the memory performance advantage of females and males might be related to the different memory processing tendencies and their associated network.
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Affiliation(s)
- Feng Sang
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, China
- Beijing Aging Brain Rejuvenation Initiative Centre, Beijing Normal University, Beijing 100875, China
| | - Shaokun Zhao
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, China
- Beijing Aging Brain Rejuvenation Initiative Centre, Beijing Normal University, Beijing 100875, China
| | - Zilin Li
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, China
- Beijing Aging Brain Rejuvenation Initiative Centre, Beijing Normal University, Beijing 100875, China
| | - Yiru Yang
- School of Nursing and Rehabilitation, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Yaojing Chen
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, China
- Beijing Aging Brain Rejuvenation Initiative Centre, Beijing Normal University, Beijing 100875, China
| | - Zhanjun Zhang
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, China
- Beijing Aging Brain Rejuvenation Initiative Centre, Beijing Normal University, Beijing 100875, China
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Valdivia-Tangarife ER, Cortés-Enríquez F, Morlett-Paredes A, Villaseñor-Cabrera T, Gámez-Nava JI, Mireles-Ramírez MA, González-López L, Macías-Islas MÁ. Frequency of cognitive impairment in patients with neuromyelitis optica spectrum disorder in Mexico. Mult Scler J Exp Transl Clin 2024; 10:20552173241231678. [PMID: 38410681 PMCID: PMC10896058 DOI: 10.1177/20552173241231678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 01/24/2024] [Indexed: 02/28/2024] Open
Abstract
Background Between 29% and 67% of neuromyelitis optica spectrum disorder patients have cognitive alterations. Objective To assess the frequency of cognitive impairment in patients with neuromyelitis optica spectrum disorder in Mexico using the Brief International Cognitive Assessment for Multiple Sclerosis. Methods We evaluated 40 neuromyelitis optica spectrum disorder patients and 40 healthy controls from Mexico. Results 28 (70.0%) patients with neuromyelitis optica spectrum disorder had cognitive impairment in two or more cognitive domains. Student´s T test showed statistically poor performance by neuromyelitis optica spectrum disorder patients compared to healthy controls on all three neuropsychological test scores. This significant difference was observed on the Symbols Digit Modalities Test (t = 8.875; p ≤ 0.001); California Verbal Learning Test-II memory (t = 10.418; p ≤ 0.001); and Brief Visuospatial Memory Test Revised (t = 6.123; p ≤ 0.001). Conclusions This study showed that 70% of neuromyelitis optica spectrum disorder patients exhibited cognitive impairment in two or more cognitive domains. Determining the frequency of cognitive impairment will guide the decision of Neuropsychologists in planning cognitive rehabilitation across various domains.
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Affiliation(s)
- Edgar R Valdivia-Tangarife
- Departamento de Neurociecias, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Fernando Cortés-Enríquez
- Departamento de Neurología, Hospital General, No 14 del Instituto Mexicano del Seguro Social, Guadalajara, México
| | | | - Teresita Villaseñor-Cabrera
- Departamento de Neurociecias, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
- O.P.D Hospital Civil Fray Antonio Alcalde, Guadalajara, México
| | - Jorge I Gámez-Nava
- Programa de Doctorado en Farmacología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Mario A Mireles-Ramírez
- Departamento de Neurología, Unidad de Alta Especialidad Médica, Centro Médico Nacional de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, México
| | - Laura González-López
- Programa de Doctorado en Farmacología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Miguel Á Macías-Islas
- Departamento de Neurociecias, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
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Park I, Ha M, Kim T, Lho SK, Moon SY, Kim M, Kwon JS. Cortical gyrification differences between early- and late-onset obsessive-compulsive disorder: neurobiological evidence for neurodevelopmentally distinct subtypes. Psychol Med 2023; 53:5976-5985. [PMID: 36259417 PMCID: PMC10520599 DOI: 10.1017/s0033291722003129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 08/01/2022] [Accepted: 09/16/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Identifying more homogenous subtypes of patients with obsessive-compulsive disorder (OCD) using biological evidence is critical for understanding complexities of the disorder in this heterogeneous population. Age of onset serves as a useful subtyping scheme for distinguishing OCD into two subgroups that aligns with neurodevelopmental perspectives. The underlying neurobiological markers for these distinct neurodevelopmental differences can be identified by investigating gyrification changes to establish biological evidence-based homogeneous subtypes. METHODS We compared whole-brain cortical gyrification in 84 patients with early-onset OCD, 84 patients with late-onset OCD, and 152 healthy controls (HCs) to identify potential markers for early neurodevelopmental deficits using the local gyrification index (lGI). Then, the relationships between lGI in clusters showing significant differences and performance in visuospatial memory and verbal fluency, which are considered trait-related neurocognitive impairments in OCD, were further examined in early-onset OCD patients. RESULTS The early-onset OCD patients exhibited significantly greater gyrification than those with late-onset OCD patients and HCs in frontoparietal and cingulate regions, including the bilateral precentral, postcentral, precuneus, paracentral, posterior cingulate, superior frontal, and caudal anterior cingulate gyri. Moreover, impaired neurocognitive functions in early-onset OCD patients were correlated with increased gyrification. CONCLUSIONS Our findings provide a neurobiological marker to distinguish the OCD population into more neurodevelopmentally homogeneous subtypes, which may contribute to the understanding of the neurodevelopmental underpinnings of an etiology in early-onset OCD consistent with the accumulated phenotypic evidence of greater neurodevelopmental deficits in early-onset OCD than in late-onset OCD.
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Affiliation(s)
- Inkyung Park
- Department of Brain and Cognitive Sciences, Seoul National University College of Natural Sciences, Seoul, Republic of Korea
| | - Minji Ha
- Department of Brain and Cognitive Sciences, Seoul National University College of Natural Sciences, Seoul, Republic of Korea
| | - Taekwan Kim
- Department of Bio and Brain, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea
| | - Silvia Kyungjin Lho
- Department of Psychiatry, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Republic of Korea
| | - Sun-Young Moon
- Department of Psychiatry, Hallym University Kangnam Sacred Heart Hospital, Seoul, Republic of Korea
| | - Minah Kim
- Department of Psychiatry, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jun Soo Kwon
- Department of Brain and Cognitive Sciences, Seoul National University College of Natural Sciences, Seoul, Republic of Korea
- Department of Psychiatry, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Republic of Korea
- Institute of Human Behavioral Medicine, SNU-MRC, Seoul, Republic of Korea
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Bergmann M, Wollbrandt I, Gittel L, Halbe E, Mackert S, Philipsen A, Lux S. Effects of a video game intervention on symptoms, training motivation, and visuo-spatial memory in depression. Front Psychiatry 2023; 14:1173652. [PMID: 37692312 PMCID: PMC10484510 DOI: 10.3389/fpsyt.2023.1173652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 08/07/2023] [Indexed: 09/12/2023] Open
Abstract
Background People with Major Depressive Disorder (MDD) often experience reduced affect, mood, and cognitive impairments such as memory problems. Although there are various treatments for MDD, many of them do not address the cognitive deficits associated with the disorder. Playing 3D video games has been found to improve cognitive functioning in healthy people, but it is not clear how they may affect depressed mood and motivation in people with MDD. The aim of this study was to investigate whether a six-week video game intervention leads to improvements in depressed mood, training motivation, and visuo-spatial (working) memory functions in patients with MDD. Methods A total of 46 clinically depressed individuals were randomly assigned to one of three groups: an experimental "3D video gaming" group (n = 14) which played a video game, an active control group (n = 16) which trained with a computer program "CogPack," and a treatment-as-usual group (n = 16) which received a standard clinical treatment including psychotherapy and/or pharmacotherapy. Participants performed a neuropsychological assessment, including self-report questionnaires asking for depressive symptoms, training motivation, and visuo-spatial (working) memory functions before and after the training intervention. Results Regarding depressive symptoms, a significant decrease in the proportion of participants who showed clinical levels of depressive symptoms as measured by the Beck Depression Inventory was only found in the 3D video gaming group. Additionally, mean motivational levels of performing the training were significantly higher in the 3D video gaming group when compared with the active control group. Moreover, whereas the 3D Video Gaming group only significantly improved on one visuo-spatial memory test, the active control group improved in all visuo-spatial memory functions. The 3D video gaming group did not perform significantly better than the CogPack group, and the TAU group. Conclusion Besides a standalone cognitive training, the current findings suggest that cognitive trainings using a video game have potential to increase subjective well-being, show higher levels of training motivation, and lead to improvements in visuo-spatial (working) memory functions in MDD. However, given the mixed and unblinded nature of this study, the results should be interpreted with caution. Further research with larger samples and follow-up measurements is needed.
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Affiliation(s)
- Moritz Bergmann
- Department of Psychiatry and Psychotherapy, University of Bonn, Bonn, Germany
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Prough MB, Zaman A, Caywood LJ, Clouse JE, Herington SD, Slifer SH, Dorfsman DA, Adams LA, Laux RA, Song YE, Lynn A, Fuzzell D, Fuzzell SL, Miller SD, Miskimen K, Main LR, Osterman MD, Ogrocki P, Lerner AJ, Vance JM, Haines JL, Scott WK, Pericak-Vance M, Cuccaro ML. Visuospatial and Verbal Memory Differences in Amish Individuals With Alzheimer Disease and Related Dementias. Alzheimer Dis Assoc Disord 2023; 37:195-199. [PMID: 37561946 PMCID: PMC10529392 DOI: 10.1097/wad.0000000000000570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 06/13/2023] [Indexed: 08/12/2023]
Abstract
BACKGROUND Verbal and visuospatial memory impairments are common to Alzheimer disease and Related Dementias (ADRD), but the patterns of decline in these domains may reflect genetic and lifestyle influences. The latter may be pertinent to populations such as the Amish who have unique lifestyle experiences. METHODS Our data set included 420 Amish and 401 CERAD individuals. Sex-adjusted, age-adjusted, and education-adjusted Z-scores were calculated for the recall portions of the Constructional Praxis Delay (CPD) and Word List Delay (WLD). ANOVAs were then used to examine the main and interaction effects of cohort (Amish, CERAD), cognitive status (case, control), and sex on CPD and WLD Z-scores. RESULTS The Amish performed better on the CPD than the CERAD cohort. In addition, the difference between cases and controls on the CPD and WLD were smaller in the Amish and Amish female cases performed better on the WLD than the CERAD female cases. DISCUSSION The Amish performed better on the CPD task, and ADRD-related declines in CPD and WLD were less severe in the Amish. In addition, Amish females with ADRD may have preferential preservation of WLD. This study provides evidence that the Amish exhibit distinct patterns of verbal and visuospatial memory loss associated with aging and ADRD.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Reneé A Laux
- Department of Population and Quantitative Health Sciences
| | - Yeunjoo E Song
- Department of Population and Quantitative Health Sciences
| | - Audrey Lynn
- Department of Population and Quantitative Health Sciences
| | - Denise Fuzzell
- Department of Population and Quantitative Health Sciences
| | | | | | | | - Leighanne R Main
- Department of Genetics and Genome Sciences
- Cleveland Institute for Computational Biology, Case Western Reserve University
| | - Michael D Osterman
- Department of Population and Quantitative Health Sciences
- Cleveland Institute for Computational Biology, Case Western Reserve University
| | - Paula Ogrocki
- Department of Neurology, Case Western Reserve University School of Medicine
- Department of Neurology, University Hospitals Cleveland Medical Center, Cleveland, OH
| | - Alan J Lerner
- Department of Neurology, Case Western Reserve University School of Medicine
- Department of Neurology, University Hospitals Cleveland Medical Center, Cleveland, OH
| | - Jeffery M Vance
- John P. Hussman Institute for Human Genomics
- The Dr. John T. Macdonald Foundation Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL
| | - Jonathan L Haines
- Department of Population and Quantitative Health Sciences
- Cleveland Institute for Computational Biology, Case Western Reserve University
| | - William K Scott
- John P. Hussman Institute for Human Genomics
- The Dr. John T. Macdonald Foundation Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL
| | - Margaret Pericak-Vance
- John P. Hussman Institute for Human Genomics
- The Dr. John T. Macdonald Foundation Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL
| | - Michael L Cuccaro
- John P. Hussman Institute for Human Genomics
- The Dr. John T. Macdonald Foundation Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL
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Mirino P, Mercuri S, Pecchinenda A, Boccia M, Di Piero A, Soldani M, Guariglia C. The time squares sequences: a new task for assessing visuospatial working memory. Front Behav Neurosci 2023; 17:1165906. [PMID: 37324520 PMCID: PMC10267982 DOI: 10.3389/fnbeh.2023.1165906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 04/18/2023] [Indexed: 06/17/2023] Open
Abstract
Introduction Several studies have shown that the working memory is sensitive to temporal variations. We used a new visuospatial working memory task, the "Time Squares Sequences," to investigate whether implicit variations in stimuli presentation time affect task performance. Methods A total of 50 healthy participants saw two sequences (S1 and S2) of seven white squares presented in a matrix of gray squares and assessed whether S2 matched S1. There were four conditions depending on the spatial position and the presentation time (i.e., timing) of the white squares in S1 and S2: two with the same (S1 fixed/S2 fixed and S1 variable/S2 variable) and two with different (S1 fixed/S2 variable and S1 variable/S2 fixed) presentation times. Results Findings showed impaired performance when S1 had a fixed presentation time and S2 had a variable presentation time. Conclusion These findings are attributed to increased cognitive load due to S2 timing difference, pointing to a monitoring process, sensitive to temporal variations.
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Affiliation(s)
- Pierandrea Mirino
- Department of Psychology, “Sapienza” University of Rome, Rome, Italy
- Ph.D. Program in Behavioral Neuroscience, “Sapienza” University of Rome, Rome, Italy
- Cognitive and Motor Rehabilitation and Neuroimaging Unit, IRCCS Santa Lucia, Rome, Italy
| | - Sara Mercuri
- Department of Psychology, “Sapienza” University of Rome, Rome, Italy
| | - Anna Pecchinenda
- Department of Psychology, “Sapienza” University of Rome, Rome, Italy
- Cognitive and Motor Rehabilitation and Neuroimaging Unit, IRCCS Santa Lucia, Rome, Italy
| | - Maddalena Boccia
- Department of Psychology, “Sapienza” University of Rome, Rome, Italy
- Cognitive and Motor Rehabilitation and Neuroimaging Unit, IRCCS Santa Lucia, Rome, Italy
| | - Andrea Di Piero
- Department of Psychology, “Sapienza” University of Rome, Rome, Italy
| | - Marta Soldani
- Department of Psychology, “Sapienza” University of Rome, Rome, Italy
| | - Cecilia Guariglia
- Department of Psychology, “Sapienza” University of Rome, Rome, Italy
- Cognitive and Motor Rehabilitation and Neuroimaging Unit, IRCCS Santa Lucia, Rome, Italy
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Jamus DR, Mäder-Joaquim MJ, de Paula Souza L, de Paola L, Claro-Höpker CD, Terra VC, Soares Silvado CE. Rey-Osterrieth complex figure test: Comparison of traditional and qualitative scoring systems after unilateral temporal lobectomy. Clin Neuropsychol 2023; 37:416-431. [PMID: 35264077 DOI: 10.1080/13854046.2022.2047790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
OBJECTIVE We compared the performance on the Rey-Osterrieth Complex Figure Test (ROCF) of patients that had undergone unilateral anterior temporal lobectomy under both Taylor's and Loring's scoring systems to identify the sensitivity and specificity of each item for differentiating visuospatial memory deficits. METHOD We administered the ROCF to evaluate the visual memory of 37 left anterior temporal lobectomy (LATL) and 38 right anterior temporal lobectomy (RATL) patients with unilateral temporal lobe epilepsy who had undergone a standard unilateral anterior temporal lobectomy between 1996 and 2010. Fisher's exact and Qui-Quadrado tests were used to analyze the relationships between the qualitative variables. The Mann-Whitney U test was used to compare the quantitative variables from the right and left sides. RESULTS RATL patients performed worse than LATL patients based on the total score for delayed recall (DR) (p = 0.012). The scoring system's showed a specificity of 97.2% & 78.9% and sensitivity of 10.5% & 62.2% on DR, for the Taylor and Loring systems respectively. Our detailed analysis of certain items showed that some differed between the groups in terms of the presence/absence, correct reproduction, and errors of those items. Loring' errors I, IV, and X on DR and errors IV and X on immediate recall were more frequent in the RATL group. CONCLUSIONS The use of these two scoring systems combined may help maximize sensitivity and specificity with clinical populations. Further, our analyses showed that items could be clustered better and different weights could be given to them to maximize sensitivity and specificity.
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Affiliation(s)
- Denise Ribas Jamus
- Hospital de Clínicas, Federal University of Paraná, Curitiba, PR, Brazil
| | | | | | - Luciano de Paola
- Hospital de Clínicas, Federal University of Paraná, Curitiba, PR, Brazil
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Liampas I, Folia V, Ntanasi E, Yannakoulia M, Sakka P, Hadjigeorgiou G, Scarmeas N, Dardiotis E, Kosmidis MH. Longitudinal episodic memory trajectories in older adults with normal cognition. Clin Neuropsychol 2023; 37:304-321. [PMID: 35400289 DOI: 10.1080/13854046.2022.2059011] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
OBJECTIVE To determine the longitudinal trajectories and normative standards of episodic memory in older adults. METHODS Participants were drawn from the cognitively normal(CN) subgroup of the population-based HELIAD cohort, a fairly representative cohort of the older Greek population. Verbal and non-verbal memory were assessed using the Greek Verbal Learning Test and Medical College of Georgia-Complex Figure Test. Baseline and longitudinal associations of memory performance with age, sex and formal education were explored with linear regression analysis and generalized estimated equations. RESULTS A total of 1607 predominantly female (60%) individuals (73.82 ± 5.43 years), with a mean educational attainment of 8.17(±4.86) years were CN at baseline. Baseline analysis revealed a continuum of memory decline with aging and lower educational attainment. Women performed better in composite and verbal memory measures, while men performed better in non-verbal memory tasks. A subgroup of 761 participants with available assessments after 3.07(±0.82) years remained CN at follow-up. Composite memory scores yearly diminished by an additional 0.007 of a SD for each additional year of age at baseline. Regarding verbal learning, immediate free verbal recall, delayed free verbal recall and delayed cued verbal recall, an additional yearly decrease of 0.107, 0.043, 0.036 and 0.026 words were respectively recorded at follow-up, for each additional year of age at baseline. Women underwent steeper yearly decreases of 0.227 words in delayed cued verbal recall. No significant longitudinal associations emerged for immediate non-verbal memory, delayed non-verbal memory and immediate cued verbal recall. CONCLUSIONS In the present study, aging (but not educational attainment) was consistently associated with steeper verbal memory decline. Supplemental data for this article is available online at https://doi.org/10.1080/13854046.2022.2059011 .
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Affiliation(s)
- Ioannis Liampas
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, Larissa, Greece
| | - Vasiliki Folia
- Lab of Cognitive Neuroscience, School of Psychology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Eva Ntanasi
- Department of Nutrition and Dietetics, Harokopio University, Athens, Greece.,1st Department of Neurology, Aiginition Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Mary Yannakoulia
- Department of Nutrition and Dietetics, Harokopio University, Athens, Greece
| | - Paraskevi Sakka
- Athens Association of Alzheimer's Disease and Related Disorders, Marousi, Greece
| | - Georgios Hadjigeorgiou
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, Larissa, Greece.,Department of Neurology, Medical School, University of Cyprus, Nicosia, Cyprus
| | - Nikolaos Scarmeas
- 1st Department of Neurology, Aiginition Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece.,Taub Institute for Research in Alzheimer's Disease and the Aging Brain, the Gertrude H. Sergievsky Center, Department of Neurology, Columbia University, New York, NY, USA
| | - Efthimios Dardiotis
- Department of Neurology, University Hospital of Larissa, School of Medicine, University of Thessaly, Larissa, Greece
| | - Mary H Kosmidis
- Lab of Cognitive Neuroscience, School of Psychology, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Tani K, Uehara S, Tanaka S. Psychophysical evidence for the involvement of head/body-centered reference frames in egocentric visuospatial memory: A whole-body roll tilt paradigm. J Vis 2023; 23:16. [PMID: 36689216 PMCID: PMC9900457 DOI: 10.1167/jov.23.1.16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Accurate memory regarding the location of an object with respect to one's own body, termed egocentric visuospatial memory, is essential for action directed toward the object. Although researchers have suggested that the brain stores information related to egocentric visuospatial memory not only in the eye-centered reference frame but also in the other egocentric (i.e., head- or body-centered or both) reference frames, experimental evidence is scarce. Here, we tested this possibility by exploiting the perceptual distortion of head/body-centered coordinates via whole-body tilt relative to gravity. We hypothesized that if the head/body-centered reference frames are involved in storing the egocentric representation of a target in memory, then reproduction would be affected by this perceptual distortion. In two experiments, we asked participants to reproduce the remembered location of a visual target relative to their head/body. Using intervening whole-body roll rotations, we manipulated the initial (target presentation) and final (reproduction of the remembered location) body orientations in space and evaluated the effect on the reproduced location. Our results showed significant biases of the reproduced target location and perceived head/body longitudinal axis in the direction of the intervening body rotation. Importantly, the amount of error was correlated across participants. These results provide experimental evidence for the neural encoding and storage of information related to egocentric visuospatial memory in the head/body-centered reference frames.
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Affiliation(s)
- Keisuke Tani
- Laboratory of Psychology, Hamamatsu University School of Medicine, Shizuoka, Japan,Faculty of Psychology, Otemon Gakuin University, Osaka, Japan,
| | - Shintaro Uehara
- Faculty of Rehabilitation, Fujita Health University School of Health Sciences, Aichi, Japan,
| | - Satoshi Tanaka
- Laboratory of Psychology, Hamamatsu University School of Medicine, Shizuoka, Japan,
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10
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Lin JH, Chen XH, Wu Y, Cao YB, Chen HJ, Huang NX. Altered isotropic volume fraction in gray matter after sleep deprivation and its association with visuospatial memory: A neurite orientation dispersion and density imaging study. Front Neurosci 2023; 17:1144802. [PMID: 37034160 PMCID: PMC10076534 DOI: 10.3389/fnins.2023.1144802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 03/06/2023] [Indexed: 04/11/2023] Open
Abstract
Background and aims Diffusion magnetic resonance imaging (dMRI) studies have revealed microstructural abnormalities in white matter resulting from sleep deprivation (SD). This study aimed to adopt neurite orientation dispersion and density imaging (NODDI) to investigate the effect of SD on gray matter (GM) microstructural properties and its association to visuospatial memory (VSM). Methods Twenty-four healthy women underwent two sessions of dMRI scanning and visuospatial ability assessment by Complex Figure Test (CFT), once during rested wakefulness (RW) and once after 24 h of SD. We calculated NODDI metrics, including intracellular volume fraction (ICVF), orientation dispersion index (ODI), and isotropic volume fraction (ISO). Differences in NODDI-related metrics between RW and SD were determined using a voxel-wise paired t-test. We identified an association between NODDI metrics and CFT results using Spearman's correlation coefficient. Results Sleep deprivation worsened subjects' performance in the delayed-CFT trial. We observed no significant difference in ICVF and ODI between RW and SD. After SD, subjects showed decreases in ISO, primarily in the prefrontal cortex and temporal lobe, while exhibiting ISO increases in the anterior and posterior cerebellar lobe and cerebellar vermis. Furthermore, ISO change in the left superior, middle and inferior frontal gyrus was significantly correlated with completion time change in delayed-CFT trial performance. Conclusion Our results suggested that SD hardly affected the density and spatial organization of neurites in GM, but the extra-neurite water molecule diffusion process was affected (perhaps resulting from neuroinflammation), which contributed to VSM dysfunction.
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Affiliation(s)
- Jia-Hui Lin
- Department of Radiology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Xu-Hui Chen
- Department of Radiology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Ye Wu
- School of Computer Science and Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Yun-Bin Cao
- Department of Radiology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Hua-Jun Chen
- Department of Radiology, Fujian Medical University Union Hospital, Fuzhou, China
- *Correspondence: Hua-Jun Chen,
| | - Nao-Xin Huang
- Department of Radiology, Fujian Medical University Union Hospital, Fuzhou, China
- Nao-Xin Huang,
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11
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Hooyman A, VanGilder JL, Schaefer SY. Mediation Analysis of the Effect of Visuospatial Memory on Motor Skill Learning in Older Adults. J Mot Behav 2022; 55:68-77. [PMID: 35902117 PMCID: PMC9792432 DOI: 10.1080/00222895.2022.2105793] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 06/10/2022] [Accepted: 07/20/2022] [Indexed: 02/02/2023]
Abstract
There is high inter-individual variability in motor skill learning among older adults. Identifying the nature of these individual differences remains challenging due to interactions between participant characteristics (e.g., age, cognition) and task-related factors (e.g., nature of task, level of skill pre-training), making it difficult to determine plausibly causal relationships. This study addresses these competing explanations by using mediation analysis to examine plausible causal inference between visuospatial memory and one-month retention of both gross and fine motor components of a functional upper-extremity task following training. Results suggest that better visuospatial memory results in more retention of fine but not gross motor skill, expanding on previous correlational studies in older adults and informing future interventions for maximizing motor learning in geriatric populations.
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Affiliation(s)
- Andrew Hooyman
- School of Biological and Health Systems Engineering,
Arizona State University, Tempe, AZ, USA
- The Arizona Alzheimer's Consortium, Phoenix, AZ,
USA
| | | | - Sydney Y. Schaefer
- School of Biological and Health Systems Engineering,
Arizona State University, Tempe, AZ, USA
- The Arizona Alzheimer's Consortium, Phoenix, AZ,
USA
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12
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Goddard E, Contini EW, Irish M. Exploring Information Flow from Posteromedial Cortex during Visuospatial Working Memory: A Magnetoencephalography Study. J Neurosci 2022; 42:5944-5955. [PMID: 35732493 PMCID: PMC9337606 DOI: 10.1523/jneurosci.2129-21.2022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 01/29/2023] Open
Abstract
The posteromedial cortex (PMC) is a major hub of the brain's default mode network, and is implicated in a broad range of internally driven cognitions, including visuospatial working memory. However, its precise contribution to these cognitive processes remains unclear. Using MEG, we measured PMC activity in healthy human participants (young adults of both sexes) while they performed a visuospatial working memory task. Multivariate pattern classification analyses revealed stimulus-related information during encoding and retrieval in a set of a priori defined cortical ROIs, including prefrontal, occipital, and ventrotemporal cortices, in addition to PMC. We measured the extent to which this stimulus information was exchanged between areas in an information flow analysis, measuring Granger-causal relationships between areas over time. Consistent with the visual nature of the task, information from occipital cortex shaped other regions across most epochs. However, the PMC shaped object representations in occipital and prefrontal cortices during visuospatial working memory, influencing occipital cortex during retrieval and PFC across all task epochs. Our findings are consistent with a proposed role for the PMC in the representation of internal content, including remembered information, and in the comparison of external stimuli with remembered material.SIGNIFICANCE STATEMENT The human brain operates as a collection of highly interconnected regions. Mapping the function of this interconnectivity, as well as the specializations within different regions, is central to understanding the neural processes underlying cognition. The posteromedial cortex (PMC) is a highly connected cortical region, implicated in visuospatial working memory, although its precise contribution remains unclear. We measured the activity of PMC during a visuospatial working memory task, testing how different regions represented the stimuli, and whether these representations were driven by other cortical regions. We found that PMC influenced stimulus information in other regions across all task phases, suggesting that PMC plays a key role in shaping stimulus representations during visuospatial working memory.
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Affiliation(s)
- Erin Goddard
- School of Psychology, University of New South Wales, Sydney, NSW 2052, Australia
| | - Erika W Contini
- Department of Cognitive Science, Macquarie University, Macquarie Park, NSW 2109, Australia
| | - Muireann Irish
- University of Sydney, School of Psychology and Brain & Mind Centre, Sydney, NSW 2050, Australia
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13
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Martin CF, Shumaker RW. Orangutan strategies for solving a visuospatial memory task. Am J Primatol 2022; 84:e23367. [PMID: 35133650 DOI: 10.1002/ajp.23367] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 11/10/2022]
Abstract
The popular game known as Concentration (also commonly referred to as Memory), in which players search for matching pairs among a grid of face-down cards, provides a robust platform for examining visuospatial memory in a simple and nonverbal way. Five orangutans (Pongo ssp.) at the Indianapolis Zoo were given a modified version of the Concentration Game in which three cards were shown face-down on a computer screen, two of which matched each other while the third was a foil. Subjects overturned two cards at a time by touching them, with trials terminating in a food reward if the overturned cards matched, or reverting to their face-down position if they did not. A constraint was experimentally imposed on the game whereby the first two cards touched would never match, resulting in an optimal strategy composed of touching the first two cards, followed by the third, followed by the card among the first two cards that matched the third. We aimed to measure the extent to which orangutans would memorize and utilize visuospatial cues to solve the task in the optimal manner. Findings showed that three of five subjects utilized an optimal strategy more often than would be expected by chance, but also over utilized specific patterns of choices instead of adjusting their strategies to minimize the overall number of card flips. Visuospatial recall played a role in several of the participants' strategies for completing the task, but not to an extent that was necessary to achieve optimal gameplay.
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14
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Operto FF, Vivenzio V, Scuoppo C, Padovano C, Roccella M, Quatrosi G, Pastorino GMG. Perampanel and Visuospatial Skills in Children With Epilepsy. Front Neurol 2021; 12:696946. [PMID: 34305800 PMCID: PMC8296464 DOI: 10.3389/fneur.2021.696946] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 05/24/2021] [Indexed: 11/13/2022] Open
Abstract
Introduction: Perampanel (PER) is a non-competitive AMPA glutamate receptor antagonist approved for focal and generalized seizures as add-on therapy. PER does not seem to negatively affect the cognitive profile in children and adolescents, but its influence on visuospatial abilities is still to be assessed. The aim of our study was to assess visuospatial skills through a standardized neuropsychological evaluation in adolescents taking PER for 12 months. Methods: Our sample included 46 adolescents aged 12–18 years with focal and generalized drug-resistant epilepsy already in therapy with one or two antiseizure medications. Changes in visuospatial perception and memory were assessed by the Rey–Osterrieth Complex Figure Test at baseline (before taking PER) and after 12 months of pharmacological treatment. Executive functions and non-verbal intelligence were also assessed at baseline. Results: After 12 months of PER therapy, the mean scores on the Rey–Osterrieth Complex Figure Test remained almost unchanged for both visuospatial perception and visuospatial memory skills. At baseline, visuospatial memory was related to executive function, and visuospatial perception was related to executive function and non-verbal intelligence. Conclusions: Adjunctive treatment with PER did not negatively affect visuospatial skills. No adverse event effects have been reported after 12 months of follow-up, and this suggests a good tolerability in the middle-to-long term.
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Affiliation(s)
- Francesca Felicia Operto
- Child and Adolescent Neuropsychiatry Unit, Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
| | - Valentina Vivenzio
- Child and Adolescent Neuropsychiatry Unit, Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
| | - Chiara Scuoppo
- Child and Adolescent Neuropsychiatry Unit, Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
| | - Chiara Padovano
- Child and Adolescent Neuropsychiatry Unit, Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
| | - Michele Roccella
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, Palermo, Italy
| | - Giuseppe Quatrosi
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, Palermo, Italy
| | - Grazia Maria Giovanna Pastorino
- Child and Adolescent Neuropsychiatry Unit, Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
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15
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Rademacher A, Joisten N, Proschinger S, Bloch W, Gonzenbach R, Kool J, Langdon D, Bansi J, Zimmer P. Cognitive Impairment Impacts Exercise Effects on Cognition in Multiple Sclerosis. Front Neurol 2021; 11:619500. [PMID: 33633658 PMCID: PMC7902024 DOI: 10.3389/fneur.2020.619500] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 12/15/2020] [Indexed: 11/13/2022] Open
Abstract
Purpose: Exercise training reveals high potential to beneficially impact cognitive performance in persons with multiple sclerosis (pwMS). Research indicates that high-intensity interval training (HIIT) has potentially higher effects on physical fitness and cognition compared to moderate continuous exercise. This study (i) compares the effects of a 3-week HIIT and moderate continuous exercise training on cognitive performance and cardiorespiratory fitness of pwMS in an overall analysis and (ii) investigates potential effects based on baseline cognitive status in a subgroup analysis. Methods: Seventy-five pwMS were randomly assigned to an intervention (HIIT: 5 × 1.5-min intervals at 95-100% HRmax, 3 ×/week) or active control group (CG: 24 min continuous exercise at 65% HRmax, 3 ×/week). Cognitive performance was assessed pre- and post-intervention with the Brief International Cognitive Assessment for MS (BICAMS). (I) To examine potential within (time) and interaction (time × group) effects in the overall analysis, separate analyses of covariance (ANCOVA) were conducted. (II) For the subgroup analysis, participants were divided into two groups [intact cognition or impaired cognition (>1.5 standard deviation (SD) compared to healthy, age-matched norm data in at least one of the three tests of the BICAMS]. Potential impacts of cognitive status and intervention were investigated with multivariate analyses of variance (MANOVA). Results: Overall analysis revealed significant time effects for processing speed, verbal learning, rel. VO2peak, and rel. power output. A time*group interaction effect was observed for rel. power output. Subgroup analysis indicated a significant main effect for cognition (impaired cognition vs. intact cognition). Subsequent post-hoc analysis showed significant larger effects on verbal learning in pwMS with impaired cognition. Conclusion: Current results need to be confirmed in a powered randomized controlled trial with cognitive performance as primary endpoint and eligibility based on cognitive performance that is assessed prior to study inclusion.
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Affiliation(s)
- Annette Rademacher
- Department for Molecular and Cellular Sports Medicine, Institute of Cardiovascular Research and Sports Medicine, German Sport University, Cologne, Germany
| | - Niklas Joisten
- Department of "Performance and Health (Sports Medicine)", Institute of Sport and Sport Science, Technical University Dortmund, Dortmund, Germany
| | - Sebastian Proschinger
- Department for Molecular and Cellular Sports Medicine, Institute of Cardiovascular Research and Sports Medicine, German Sport University, Cologne, Germany
| | - Wilhelm Bloch
- Department for Molecular and Cellular Sports Medicine, Institute of Cardiovascular Research and Sports Medicine, German Sport University, Cologne, Germany
| | - Roman Gonzenbach
- Department of Neurology, Clinics of Valens, Rehabilitation Centre Valens, Valens, Switzerland
| | - Jan Kool
- Department of Neurology, Clinics of Valens, Rehabilitation Centre Valens, Valens, Switzerland
| | - Dawn Langdon
- Department of Psychology Health and Well-Being Clinical, Health and Social Psychology Royal Holloway University London, London, United Kingdom
| | - Jens Bansi
- Department of Neurology, Clinics of Valens, Rehabilitation Centre Valens, Valens, Switzerland
| | - Philipp Zimmer
- Department of "Performance and Health (Sports Medicine)", Institute of Sport and Sport Science, Technical University Dortmund, Dortmund, Germany
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16
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Fernandez-Baizan C, Caunedo-Jimenez M, Martinez JA, Arias JL, Mendez M, Solis G. Development of visuospatial memory in preterm infants: A new paradigm to assess short-term and working memory. Child Neuropsychol 2020; 27:296-316. [PMID: 33191857 DOI: 10.1080/09297049.2020.1847264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Preterm infants have a higher risk of showing visuospatial memory impairment, the function that allows to encode and remember visual and spatial information. It has been studied in late childhood in preterm children. Studies on visuospatial memory throughout the first 2 years of life are still scarce. Behavior, temperament, and overall cognition could be altered in preterm children affecting memory performance. Therefore, the main aim of this study was to evaluate short-term and visuospatial working memory performance in a preterm sample followed longitudinally at 12, 15, 18, and 22 months (N = 15), and compare their performance with that of full-term children (N = 65). The secondary aim was to analyze the course of mnesic development in preterm infants and relate their memory performance to other cognitive abilities and behavioral tendencies. Assessment included previously published tasks and an experimental paradigm. Results showed that preterm children scored lower than full-term children on visuospatial short-term and working memory at 12 and 22 months of age, although these results varied depending on the memory test used. Preterm children's memory results showed that these skills improve in this population between the first and second year of life. Finally, memory performance was directly associated with the level of cognitive development and the presence of proactive behaviors, while being inversely correlated with the presence of disruptive behaviors and a difficult temperamental style. These preliminary findings suggest that it is possible to detect visuospatial memory difficulties in the preterm population before the age of two.
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Affiliation(s)
- C Fernandez-Baizan
- Neuroscience Institute of Principado de Asturias (INEUROPA), University of Oviedo, Oviedo, Spain.,Department of Psychology, University of Oviedo, Oviedo, Spain
| | - M Caunedo-Jimenez
- Pediatric Clinic Area, Neonatology, University Central Hospital of Asturias, Oviedo, Spain
| | - J A Martinez
- Neuroscience Institute of Principado de Asturias (INEUROPA), University of Oviedo, Oviedo, Spain.,Department of Electronic Technology, University of Oviedo, Gijón, Spain
| | - J L Arias
- Neuroscience Institute of Principado de Asturias (INEUROPA), University of Oviedo, Oviedo, Spain.,Department of Psychology, University of Oviedo, Oviedo, Spain
| | - M Mendez
- Neuroscience Institute of Principado de Asturias (INEUROPA), University of Oviedo, Oviedo, Spain.,Department of Psychology, University of Oviedo, Oviedo, Spain
| | - G Solis
- Neuroscience Institute of Principado de Asturias (INEUROPA), University of Oviedo, Oviedo, Spain.,Pediatric Clinic Area, Neonatology, University Central Hospital of Asturias, Oviedo, Spain
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17
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Abstract
Despite the abundant literature on visuospatial short-term memory, researchers have devoted little attention to strategic processes: What procedures do subjects implement to memorize visuospatial material? Evidence for various strategies exists, but it is spread across a variety of fields. This integrative review of the literature brings together scattered evidence to provide an overview of strategic processes in visuospatial memory tasks. The diversity of strategies and their proposed operating mechanisms are reviewed and discussed. The evidence leads to proposing seven broad strategic processes used in visuospatial short-term memory, each with multiple variants. Strategies can vary across individuals, but the same subjects also appear to use multiple strategies depending on the perceptual features of to-be-remembered displays. These results point to a view of visuospatial strategies as a functional library of facilitatory processes on which subjects can draw to support visuospatial short-term memory performance. Implications are discussed for the difference between visual and spatial tasks, for the appropriate measurement of strategic behaviors, and for the interpretation of performance in visuospatial memory tasks.
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Affiliation(s)
- Corentin Gonthier
- Laboratoire de Psychologie: Cognition, Comportement, Communication (LP3C), Equipe d'Accueil 1285, Université Rennes 2
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18
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Domagalik A, Oginska H, Beldzik E, Fafrowicz M, Pokrywka M, Chaniecki P, Rekas M, Marek T. Long-Term Reduction of Short-Wavelength Light Affects Sustained Attention and Visuospatial Working Memory With No Evidence for a Change in Circadian Rhythmicity. Front Neurosci 2020; 14:654. [PMID: 32719581 PMCID: PMC7348134 DOI: 10.3389/fnins.2020.00654] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 05/27/2020] [Indexed: 01/01/2023] Open
Abstract
The short wavelength, i.e., blue light, is crucial for non-image forming effects such as entrainment of the circadian system in humans. Moreover, many studies showed that blue light enhances alertness and performance in cognitive tasks. However, most scientific reports in this topic are based on experiments using short exposure to blue or blue-enriched light, and only a few focused on the effects of its reduced transmittance, especially in longer periods. The latter could potentially give insight into understanding if age-related sleep problems and cognitive decline are related to less amount of blue light reaching the retina, as the eyes' lenses yellow with age. In this study, we investigated the effects of prolonged blocking of blue light on cognitive functioning, in particular-sustained attention and visuospatial working memory, as well as on sleep, and melatonin and cortisol levels. A group of young, healthy participants was randomly allocated to either blue light blocking or control group. Depending on the group, participants wore amber contact lenses, reducing the transmittance of blue light by ∼90% or regular contact lenses for a period of 4 weeks. No changes were observed for measurements related to sleep and sleep-wake rhythm. Dim light melatonin onset, evening levels of melatonin, and morning cortisol answer did not show any significant alterations during blue light (BL) blockade. The significant effects were revealed both for sustained attention and visuospatial memory, i.e., the longer blocking the blue light lasted, the greater decrease in performance observed. Additionally, the follow-up session conducted ∼1 week after taking off the blue-blocking lenses revealed that in case of sustained attention, this detrimental effect of blocking BL is fully reversible. Our findings provide evidence that prolonged reduction of BL exposure directly affects human cognitive functioning regardless of circadian rhythmicity.
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Affiliation(s)
- Aleksandra Domagalik
- Brain Imaging Core Facility, Malopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
| | - Halszka Oginska
- Brain Imaging Core Facility, Malopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
- Department of Cognitive Neuroscience and Neuroergonomics, Institute of Applied Psychology, Jagiellonian University, Kraków, Poland
| | - Ewa Beldzik
- Brain Imaging Core Facility, Malopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
- Department of Cognitive Neuroscience and Neuroergonomics, Institute of Applied Psychology, Jagiellonian University, Kraków, Poland
| | - Magdalena Fafrowicz
- Brain Imaging Core Facility, Malopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
- Department of Cognitive Neuroscience and Neuroergonomics, Institute of Applied Psychology, Jagiellonian University, Kraków, Poland
| | - Malgorzata Pokrywka
- Department of Clinical Biochemistry, Jagiellonian University Medical College, Kraków, Poland
| | | | - Marek Rekas
- Ophthalmology Department, Military Institute of Medicine, Warsaw, Poland
| | - Tadeusz Marek
- Brain Imaging Core Facility, Malopolska Centre of Biotechnology, Jagiellonian University, Kraków, Poland
- Department of Cognitive Neuroscience and Neuroergonomics, Institute of Applied Psychology, Jagiellonian University, Kraków, Poland
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19
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Jeon SH, Park YH, Oh SY, Kang JJ, Han YH, Jeong HJ, Lee JM, Park M, Kim JS, Dieterich M. Neural Correlates of Transient Mal de Debarquement Syndrome: Activation of Prefrontal and Deactivation of Cerebellar Networks Correlate With Neuropsychological Assessment. Front Neurol 2020; 11:585. [PMID: 32695063 PMCID: PMC7338684 DOI: 10.3389/fneur.2020.00585] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 05/20/2020] [Indexed: 11/13/2022] Open
Abstract
Background: Mal de debarquement syndrome (MdDS) is characterized by a subjective perception of self-motion after exposure to passive motion, mostly after sea travel. A transient form of MdDS (t-MdDS) is common in healthy individuals without pathophysiological certainty. In the present cross-sectional study, the possible neuropsychiatric and functional neuroimaging changes in local fishermen with t-MdDS were evaluated. Methods: The present study included 28 fishermen from Buan County in South Korea; 15 (15/28, 53.6%) participants experienced t-MdDS for 1–6 h, and 13 were asymptomatic (13/28, 46.4%). Vestibular function tests were performed using video-oculography, the video head impulse test, and ocular and cervical vestibular-evoked myogenic potentials. Visuospatial function was also assessed by the Corsi block test. Brain imaging comprised structural MRI, resting-state functional MRI, and [18F]FDG PET scans. Results: The results of vestibular function tests did not differ between the fishermen with and those without t-MdDS. However, participants with t-MdDS showed better performance in visuospatial memory function than those without t-MdDS (6.40 vs. 5.31, p-value = 0.016) as determined by the Corsi block test. Structural brain MRIs were normal in both groups. [18F]FDG PET showed a relative hypermetabolism in the bilateral occipital and prefrontal cortices and hypometabolism in the vestibulocerebellum (nodulus and uvula) in participants with t-MdDS compared to those without t-MdDS. Resting-state functional connectivities were significantly decreased between the vestibular regions of the flocculus, superior temporal gyrus, and parietal operculum and the visual association areas of the middle occipital gyrus, fusiform gyrus, and cuneus in participants with t-MdDS. Analysis of functional connectivity of the significant regions in the PET scans revealed decreased connectivity between the prefrontal cortex and visual processing areas in the t-MdDS group. Conclusion: Increased visuospatial memory, altered metabolism in the prefrontal cortex, visual cognition cortices, and the vestibulocerebellum, and decreased functional connectivity between these two functional areas might indicate reductions in the integration of vestibular input and enhancement of visuospatial attention in subjects with t-MdDS. Current functional neuroimaging similarities from transient MdDS via chronic MdDS to functional dizziness and anxiety disorders suggest a shared mechanism of enhanced self-awareness as a kind of continuum or as overlap disorders.
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Affiliation(s)
- Seung-Ho Jeon
- Department of Neurology, Jeonbuk National University Hospital, Jeonju-si, South Korea.,Research Institute of Clinical Medicine of Jeonbuk National University, Jeonbuk National University Hospital, Jeonju-si, South Korea
| | - Yeong-Hun Park
- Department of Biomedical Engineering, Hanyang University, Seoul, South Korea
| | - Sun-Young Oh
- Department of Neurology, Jeonbuk National University Hospital, Jeonju-si, South Korea.,Research Institute of Clinical Medicine of Jeonbuk National University, Jeonbuk National University Hospital, Jeonju-si, South Korea
| | - Jin-Ju Kang
- Department of Neurology, Jeonbuk National University Hospital, Jeonju-si, South Korea.,Research Institute of Clinical Medicine of Jeonbuk National University, Jeonbuk National University Hospital, Jeonju-si, South Korea
| | - Yeon-Hee Han
- Nuclear Medicine, School of Medicine, Jeonbuk National University Hospital, Jeonju-si, South Korea
| | - Hwan-Jeong Jeong
- Research Institute of Clinical Medicine of Jeonbuk National University, Jeonbuk National University Hospital, Jeonju-si, South Korea.,Nuclear Medicine, School of Medicine, Jeonbuk National University Hospital, Jeonju-si, South Korea
| | - Jong-Min Lee
- Department of Biomedical Engineering, Hanyang University, Seoul, South Korea
| | - Mijin Park
- Department of Biomedical Engineering, Hanyang University, Seoul, South Korea
| | - Ji-Soo Kim
- Department of Neurology, Seoul National University Bundang Hospital, Seoul National University School of Medicine, Seoul, South Korea
| | - Marianne Dieterich
- Department of Neurology, Ludwig-Maximilians-University, Munich, Germany.,German Center for Vertigo and Balance Disorders (IFBLMU), Ludwig-Maximilians-University, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
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20
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Tippett DC, Breining B, Goldberg E, Meier E, Sheppard SM, Sherry E, Stockbridge M, Suarez A, Wright AE, Hillis AE. Visuomotor Figure Construction and Visual Figure Delayed Recall and Recognition in Primary Progressive Aphasia. Aphasiology 2019; 34:1456-1470. [PMID: 33281269 PMCID: PMC7716596 DOI: 10.1080/02687038.2019.1670330] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 09/09/2019] [Indexed: 06/11/2023]
Abstract
BACKGROUND Individuals with primary progressive aphasia (PPA) develop visuospatial deficits over time, and those with logopenic variant (lvPPA) are at greatest risk of developing such deficits. However, not all previous studies of visuospatial deficits in PPA have ensured equivalent duration of disease across variants and few have measured deficits longitudinally. AIMS The aims of our study were to: 1) investigate differences in baseline visuomotor figure construction, visual figure delayed recall, and figure recognition in PPA variants with similar symptom duration at baseline, and 2) explore patterns of decline in these areas. METHODS & PROCEDURES Ninety-three individuals with PPA [39 lvPPA, 24 nonfluent agrammatic PPA (nfaPPA), and 30 semantic variant PPA (svPPA)] were administered the Benson Complex Figure Copy, Benson Complex Figure Delay (Recall), and Benson Figure Recognition. Thirty individuals completed this testing 3 to 47 months post baseline. OUTCOME & RESULTS Participants with lvPPA and svPPA showed lower mean scores than those with nfaPPA on visual figure delayed recall at baseline, even though there were no differences in estimated time from disease onset or correlation with disease severity as reflected by naming performance, F(2, 90) = 5.78, p < .004. Those with nfaPPA performed significantly better than those with lvPPA, Tukey HSD p < .05, and those with svPPA, Tukey HSD p < .01. There were no differences between variants in rate of decline in visuomotor figure construction, visual figure delayed recall, and figure recognition. CONCLUSIONS These findings revealed relatively spared visuospatial memory in nfaPPA, which may aid in the differential diagnosis of PPA and contribute to designing therapy or compensatory strategies.
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Affiliation(s)
- Donna C. Tippett
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287
- Department of Otolaryngology—Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD 21287
- Department of Physical Medicine and Rehabilitation, Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Bonnie Breining
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Emily Goldberg
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Erin Meier
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Shannon M. Sheppard
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Emily Sherry
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Melissa Stockbridge
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Adrian Suarez
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Amy E. Wright
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287
| | - Argye E. Hillis
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287
- Department of Physical Medicine and Rehabilitation, Johns Hopkins University School of Medicine, Baltimore, MD 21287
- Department of Cognitive Science, Krieger School of Arts and Sciences, Johns Hopkins University, Baltimore, MD 21218
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21
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Abstract
BACKGROUND Chronic opioid exposure is common world-wide, but behavioural performance remains under-investigated. This study aimed to investigate visuospatial memory performance in opioid-exposed and dependent clinical populations and its associations with measures of intelligence and cognitive impulsivity. METHODS We recruited 109 participants: (i) patients with a history of opioid dependence due to chronic heroin use (n = 24), (ii) heroin users stabilised on methadone maintenance treatment (n = 29), (iii) participants with a history of chronic pain and prescribed tramadol and codeine (n = 28) and (iv) healthy controls (n = 28). The neuropsychological tasks from the Cambridge Neuropsychological Test Automated Battery included the Delayed Matching to Sample (DMS), Pattern Recognition Memory, Spatial Recognition Memory, Paired Associate Learning, Spatial Span Task, Spatial Working Memory and Cambridge Gambling Task. Pre-morbid general intelligence was assessed using the National Adult Reading Test. RESULTS As hypothesised, this study identified the differential effects of chronic heroin and methadone exposures on neuropsychological measures of visuospatial memory (p < 0.01) that were independent of injecting behaviour and dependence status. The study also identified an improvement in DMS performance (specifically at longer delays) when the methadone group was compared with the heroin group and also when the heroin group was stabilised onto methadone. Results identified differential effects of chronic heroin and methadone exposures on various neuropsychological measures of visuospatial memory independently from addiction severity measures, such as injecting behaviour and dependence status.
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Affiliation(s)
- A Baldacchino
- Division of Population and Behavioural Science,School of Medicine, St Andrews University,St Andrews, Fife,UK
| | - S Tolomeo
- School of Medicine (Neuroscience), Ninewells Hospital & Medical School, University of Dundee,Dundee, Tayside,UK
| | - D J Balfour
- School of Medicine (Neuroscience), Ninewells Hospital & Medical School, University of Dundee,Dundee, Tayside,UK
| | - K Matthews
- School of Medicine (Neuroscience), Ninewells Hospital & Medical School, University of Dundee,Dundee, Tayside,UK
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22
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Schott BH, Wüstenberg T, Lücke E, Pohl IM, Richter A, Seidenbecher CI, Pollmann S, Kizilirmak JM, Richardson-Klavehn A. Gradual acquisition of visuospatial associative memory representations via the dorsal precuneus. Hum Brain Mapp 2018; 40:1554-1570. [PMID: 30430687 DOI: 10.1002/hbm.24467] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 10/18/2018] [Accepted: 10/31/2018] [Indexed: 12/20/2022] Open
Abstract
Activation of parietal cortex structures like the precuneus is commonly observed during explicit memory retrieval, but the role of parietal cortices in encoding has only recently been appreciated and is still poorly understood. Considering the importance of the precuneus in human visual attention and imagery, we aimed to assess a potential role for the precuneus in the encoding of visuospatial representations into long-term memory. We therefore investigated the acquisition of constant versus repeatedly shuffled configurations of icons on background images over five subsequent days in 32 young, healthy volunteers. Functional magnetic resonance imaging was conducted on Days 1, 2, and 5, and persistent memory traces were assessed by a delayed memory test after another 5 days. Constant compared to shuffled configurations were associated with significant improvement of position recognition from Day 1 to 5 and better delayed memory performance. Bilateral dorsal precuneus activations separated constant from shuffled configurations from Day 2 onward, and coactivation of the precuneus and hippocampus dissociated recognized and forgotten configurations, irrespective of condition. Furthermore, learning of constant configurations elicited increased functional coupling of the precuneus with dorsal and ventral visual stream structures. Our results identify the precuneus as a key brain structure in the acquisition of detailed visuospatial information by orchestrating a parieto-occipito-temporal network.
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Affiliation(s)
- Björn H Schott
- Leibniz Institute for Neurobiology, Magdeburg, Germany.,Department of Psychiatry and Psychotherapy, Charité University Medicine, Berlin, Germany.,Department of Neurology, Otto von Guericke University Magdeburg, Magdeburg, Germany.,Department of Psychiatry and Psychotherapy, University Medicine Göttingen, Göttingen, Germany.,Center for Behavioral Brain Sciences (CBBS), Magdeburg, Germany
| | - Torsten Wüstenberg
- Department of Psychiatry and Psychotherapy, Charité University Medicine, Berlin, Germany.,Systems Neuroscience in Psychiatry (SNiP), Central Institute of Mental Health, Mannheim, Germany
| | - Eva Lücke
- Department of Pulmonary Medicine, Otto von Guericke University Magdeburg, Magdeburg, Germany
| | - Ina-Maria Pohl
- Institute of Psychology, Otto von Guericke University Magdeburg, Magdeburg, Germany
| | - Anni Richter
- Leibniz Institute for Neurobiology, Magdeburg, Germany
| | - Constanze I Seidenbecher
- Leibniz Institute for Neurobiology, Magdeburg, Germany.,Center for Behavioral Brain Sciences (CBBS), Magdeburg, Germany
| | - Stefan Pollmann
- Center for Behavioral Brain Sciences (CBBS), Magdeburg, Germany.,Institute of Psychology, Otto von Guericke University Magdeburg, Magdeburg, Germany
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23
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Mochizuki-Kawai H, Kotani I, Mochizuki S, Yamakawa Y. Structured Floral Arrangement Program Benefits in Patients With Neurocognitive Disorder. Front Psychol 2018; 9:1328. [PMID: 30123151 PMCID: PMC6085549 DOI: 10.3389/fpsyg.2018.01328] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 07/10/2018] [Indexed: 01/18/2023] Open
Abstract
We attempted to clarify positive benefits in cognitive abilities and motivation during our cognitive intervention [structured floral arrangement (SFA) program] for patients with neurocognitive disorder due to stroke, traumatic brain injury (TBI), and other related disorders. In this SFA program, participants are required to arrange cut flowers and leaves on absorbent foam according to an instruction sheet. In a previous study of patients with schizophrenia, our SFA program encouraged participants and contributed to stimulating their visuospatial process and memory. Here, 27 patients with neurocognitive disorders participated in this study. Sixteen patients were assigned to an SFA-treated group and participated in six sessions during two phases plus to daily activities. Eleven non-treated patients engaged only daily activities during the same period. We compared Apathy Scale scores and neuropsychological scores between the SFA-treated and non-treated patients. Their mean attendance rate was more than 90% during the two phases. SFA-treated patients copied a Rey–Osterrieth complex figure more accurately than non-treated patients (p < 0.05) during the later intervention phase, whereas during the earlier phase, accuracy was comparable between treated and non-treated groups. In the SFA-treated group, recall scores also improved (p < 0.01), and the positive outcomes were maintained for about 3 months (p < 0.05). The Apathy Scale scores did not show significant change in either the SFA-treated or non-treated groups. Our present results suggest that the SFA program encouraged continuous participation to cognitive intervention and was useful for ameliorating dysfunctions in visuospatial memory and recognition in patients with neurocognitive disorder.
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Affiliation(s)
- Hiroko Mochizuki-Kawai
- Institute of Vegetable and Floriculture Science, National Agriculture and Food Research Organization, Tsukuba, Japan
| | - Izumi Kotani
- Graduate School of Humanities and Social Sciences, University of Tsukuba, Tsukuba, Japan
| | | | - Yuriko Yamakawa
- Ibaraki Prefectural University of Health Sciences Hospital, Ami, Japan
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24
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Külzow N, Cavalcanti de Sousa AV, Cesarz M, Hanke JM, Günsberg A, Harder S, Koblitz S, Grittner U, Flöel A. No Effects of Non-invasive Brain Stimulation on Multiple Sessions of Object-Location-Memory Training in Healthy Older Adults. Front Neurosci 2018; 11:746. [PMID: 29375290 PMCID: PMC5767718 DOI: 10.3389/fnins.2017.00746] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 12/20/2017] [Indexed: 01/03/2023] Open
Abstract
Object-location memory (OLM) is known to decline with normal aging, a process accelerated in pathological conditions like mild cognitive impairment (MCI). In order to maintain cognitive health and to delay the transition from healthy to pathological conditions, novel strategies are being explored. Tentative evidence suggests that combining cognitive training and anodal transcranial direct current stimulation (atDCS), both reported to induce small and often inconsistent behavioral improvements, could generate larger or more consistent improvements or both, compared to each intervention alone. Here, we explored the combined efficacy of these techniques on OLM. In a subject-blind sham-controlled cross-over design 32 healthy older adults underwent a 3-day visuospatial training paired with either anodal (20 min) or sham (30 s) atDCS (1 mA, temporoparietal). Subjects were asked to learn the correct object-location pairings on a street map, shown over five learning blocks on each training day. Acquisition performance was assessed by accuracy on a given learning block in terms of percentage of correct responses. Training success (performance on last training day) and delayed memory after 1-month were analyzed by mixed model analysis and were controlled for gender, age, education, sequence of stimulation and baseline performance. Exploratory analysis of atDCS effects on within-session (online) and between-session (offline) memory performance were conducted. Moreover, transfer effects on similar trained (visuospatial) and less similar (visuo-constructive, verbal) untrained memory tasks were explored, both immediately after training, and on follow-up. We found that atDCS paired with OLM-training did not enhance success in training or performance in 1-month delayed memory or transfer tasks. In sum, this study did not support the notion that the combined atDCS-training approach improves immediate or delayed OLM in older adults. However, specifics of the experimental design, and a non-optimal timing of atDCS between sessions might have masked beneficial effects and should be more systematically addressed in future studies.
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Affiliation(s)
- Nadine Külzow
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany.,Clinical Research Unit, Berlin Institute of Health, Berlin, Germany
| | - Angelica Vieira Cavalcanti de Sousa
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany
| | - Magda Cesarz
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany
| | - Julie-Marie Hanke
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany
| | - Alida Günsberg
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany
| | - Solvejg Harder
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany
| | - Swantje Koblitz
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany
| | - Ulrike Grittner
- Charité - Universitätsmedizin Berlin, Department of Biostatistics and Clinical Epidemiology, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany.,Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Center for Stroke Research, Berlin, Germany
| | - Agnes Flöel
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany.,Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Center for Stroke Research, Berlin, Germany.,Department of Neurology, University Medicine Greifswald, Greifswald, Germany
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25
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Caudill MA, Strupp BJ, Muscalu L, Nevins JEH, Canfield RL. Maternal choline supplementation during the third trimester of pregnancy improves infant information processing speed: a randomized, double-blind, controlled feeding study. FASEB J 2018; 32:2172-2180. [PMID: 29217669 DOI: 10.1096/fj.201700692rr] [Citation(s) in RCA: 103] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Rodent studies demonstrate that supplementing the maternal diet with choline during pregnancy produces life-long cognitive benefits for the offspring. In contrast, the two experimental studies examining cognitive effects of maternal choline supplementation in humans produced inconsistent results, perhaps because of poor participant adherence and/or uncontrolled variation in intake of choline or other nutrients. We examined the effects of maternal choline supplementation during pregnancy on infant cognition, with intake of choline and other nutrients tightly controlled. Women entering their third trimester were randomized to consume, until delivery, either 480 mg choline/d ( n = 13) or 930 mg choline/d ( n = 13). Infant information processing speed and visuospatial memory were tested at 4, 7, 10, and 13 mo of age ( n = 24). Mean reaction time averaged across the four ages was significantly faster for infants born to mothers in the 930 ( vs. 480) mg choline/d group. This result indicates that maternal consumption of approximately twice the recommended amount of choline during the last trimester improves infant information processing speed. Furthermore, for the 480-mg choline/d group, there was a significant linear effect of exposure duration (infants exposed longer showed faster reaction times), suggesting that even modest increases in maternal choline intake during pregnancy may produce cognitive benefits for offspring.-Caudill, M. A., Strupp, B. J., Muscalu, L., Nevins, J. E. H., Canfield, R. L. Maternal choline supplementation during the third trimester of pregnancy improves infant information processing speed: a randomized, double-blind, controlled feeding study.
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Affiliation(s)
- Marie A Caudill
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
| | - Barbara J Strupp
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA.,Department of Psychology, Cornell University, Ithaca, New York, USA; and
| | - Laura Muscalu
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA.,Department of Psychology, Ithaca College, Ithaca, New York, USA
| | - Julie E H Nevins
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
| | - Richard L Canfield
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
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26
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Tang H, Riley MR, Constantinidis C. Lateralization of Executive Function: Working Memory Advantage for Same Hemifield Stimuli in the Monkey. Front Neurosci 2017; 11:532. [PMID: 29018321 PMCID: PMC5623043 DOI: 10.3389/fnins.2017.00532] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Accepted: 09/13/2017] [Indexed: 11/25/2022] Open
Abstract
Working memory capacity, the amount of information that may be maintained in mind over a period of seconds, is extremely limited, to a handful of items. Some evidence exists that the number of visual items that may be maintained in working memory is independent for the two hemifields. To test this idea, we trained monkeys to perform visual working memory tasks that required maintenance in memory of the locations and/or shapes of 3–5 visual stimuli. We then tested whether systematic performance differences were present for stimuli concentrated in the same hemifield, vs. distributed across hemifields. We found little evidence to support the expectation that working memory capacity is independent in the two hemifields. Instead, when an advantage of stimulus arrangement was present, it involved multiple stimuli presented in the same hemifield. This conclusion was consistent across variations of the task, performance levels, and apparent strategies adopted by individual subjects. This result suggests that factors such as grouping that favor processing of stimuli in relative proximity may counteract the benefits of independent processing in the two hemispheres. Our results reveal an important property of working memory and place constraints on models of working memory capacity.
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Affiliation(s)
- Hua Tang
- Department of Neurobiology & Anatomy, Wake Forest School of Medicine, Winston-Salem, NC, United States.,School of Life Science and Institute of Life Science, Nanchang University, Nanchang, China
| | - Mitchell R Riley
- Department of Neurobiology & Anatomy, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Christos Constantinidis
- Department of Neurobiology & Anatomy, Wake Forest School of Medicine, Winston-Salem, NC, United States
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27
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Øverås M, Kapstad H, Brunborg C, Landrø NI, Rø Ø. Is overestimation of body size associated with neuropsychological weaknesses in anorexia nervosa? Eur Eat Disord Rev 2017; 25:129-134. [PMID: 28217881 DOI: 10.1002/erv.2500] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Revised: 10/21/2016] [Accepted: 11/25/2016] [Indexed: 11/10/2022]
Abstract
BACKGROUND Recent research indicates some evidence of neuropsychological weaknesses in visuospatial memory, central coherence and set-shifting in adults with anorexia nervosa (AN). The growing interest in neuropsychological functioning of patients with AN is based upon the assumption that neuropsychological weaknesses contribute to the clinical features of the illness. However, due to a paucity of research on the connection between neuropsychological difficulties and the clinical features of AN, this link remains hypothetical. The main objective of this study was to explore the association between specific areas of neuropsychological functioning and body size estimation in patients with AN and healthy controls. METHODS The sample consisted of 36 women diagnosed with AN and 34 healthy female controls. Participants were administered the continuous visual memory test and the recall trials of Rey Complex Figure Test to assess visual memory. Central coherence was assessed using the copy trial of Rey Complex Figure Test, and the Wisconsin Card Sorting Test was used to assess set-shifting. Body size estimation was assessed with a computerized morphing programme. RESULTS The analyses showed no significant correlations between any of the neuropsychological measures and body size estimation. CONCLUSION The results suggest that there is no association between these areas of neuropsychological difficulties and body size estimation among patients with AN. Copyright © 2017 John Wiley & Sons, Ltd and Eating Disorders Association.
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Affiliation(s)
- Maria Øverås
- Regional Department for Eating Disorders (RASP), Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
| | - Hilde Kapstad
- Regional Department for Eating Disorders (RASP), Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
| | - Cathrine Brunborg
- Oslo Centre for Biostatistics and Epidemiology, Research Support Services, Oslo University Hospital, Oslo, Norway
| | - Nils Inge Landrø
- Clinical Neuroscience Research Group, Department of Psychology, Oslo, Norway
| | - Øyvind Rø
- Regional Department for Eating Disorders (RASP), Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway.,Division of Mental Health and Addiction, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
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28
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Piskunowicz MT, Linkowska K, Gołota S, Grzybowski T, Kędziora-Kornatowska K, Borkowska A. The Association of Apolipoprotein E Gene Polymorphism With Cognitive Performance in Nondemented Polish Adults Aged 55 to 75. Int J Aging Hum Dev 2017; 87:124-140. [PMID: 28844148 DOI: 10.1177/0091415017724548] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The ε4 allele of the apolipoprotein E (APOE) gene is known as a risk factor for dementia. How APOE ε polymorphism affects cognitive performance in nondemented aging subjects remains less clear. In this study, the relationship between APOE status and cognitive performance across various cognitive domains in adults aged 55 to 75 years ( n = 74) without dementia was investigated. E4 carriers ( n = 11) performed worse versus noncarriers on forward Digit Span and delayed recall of the Rey-Osterrieth complex figure. General linear model analysis revealed a small but significant main effect of ε4 on Rey-Osterrieth complex figure delayed recall. Comparing ε2 carriers, ε3 homozygotes, and ε4 carriers, ε3/ε3 performed significantly better on Trail Making Test part B and derived score Trail Making Test B-A. The findings support the relation between the APOE ε polymorphism and visual memory, short-term auditory memory, visuospatial attention, and executive functions in an aging sample without dementia.
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Affiliation(s)
| | - Katarzyna Linkowska
- 1 Collegium Medicum, 49604 Uniwersytet Mikolaja Kopernika , Bydgoszcz, Poland
| | - Szymon Gołota
- 1 Collegium Medicum, 49604 Uniwersytet Mikolaja Kopernika , Bydgoszcz, Poland
| | - Tomasz Grzybowski
- 1 Collegium Medicum, 49604 Uniwersytet Mikolaja Kopernika , Bydgoszcz, Poland
| | | | - Alina Borkowska
- 1 Collegium Medicum, 49604 Uniwersytet Mikolaja Kopernika , Bydgoszcz, Poland
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29
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Hohenfeld C, Nellessen N, Dogan I, Kuhn H, Müller C, Papa F, Ketteler S, Goebel R, Heinecke A, Shah NJ, Schulz JB, Reske M, Reetz K. Cognitive Improvement and Brain Changes after Real-Time Functional MRI Neurofeedback Training in Healthy Elderly and Prodromal Alzheimer's Disease. Front Neurol 2017; 8:384. [PMID: 28848488 PMCID: PMC5552678 DOI: 10.3389/fneur.2017.00384] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 07/19/2017] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Cognitive decline is characteristic for Alzheimer's disease (AD) and also for healthy ageing. As a proof-of-concept study, we examined whether this decline can be counteracted using real-time fMRI neurofeedback training. Visuospatial memory and the parahippocampal gyrus (PHG) were targeted. METHODS Sixteen healthy elderly subjects (mean age 63.5 years, SD = 6.663) and 10 patients with prodromal AD (mean age 66.2 years, SD = 8.930) completed the experiment. Four additional healthy subjects formed a sham-feedback condition to validate the paradigm. The protocol spanned five examination days (T1-T5). T1 contained a neuropsychological pre-test, the encoding of a real-world footpath, and an anatomical MRI scan of the brain. T2-T4 included the fMRI neurofeedback training paradigm, in which subjects learned to enhance activation of the left PHG while recalling the path encoded on T1. At T5, the neuropsychological post-test and another anatomical MRI brain scan were performed. The neuropsychological battery included the Montreal Cognitive Assessment (MoCA); the Visual and Verbal Memory Test (VVM); subtests of the Wechsler Memory Scale (WMS); the Visual Patterns Test; and Trail Making Tests (TMT) A and B. RESULTS Healthy elderly and patients with prodromal AD showed improved visuospatial memory performance after neurofeedback training. Healthy subjects also performed better in a working-memory task (WMS backward digit-span) and in the MoCA. Both groups were able to elicit parahippocampal activation during training, but no significant changes in brain activation were found over the course of the training. However, Granger-causality-analysis revealed changes in cerebral connectivity over the course of the training, involving the parahippocampus and identifying the precuneus as main driver of activation in both groups. Voxel-based morphometry showed increases in grey matter volumes in the precuneus and frontal cortex. Neither cognitive enhancements, nor parahippocampal activation were found in the control group undergoing sham-feedback. CONCLUSION These findings suggest that cognitive decline, either related to prodromal AD or healthy ageing, could be counteracted using fMRI-based neurofeedback. Future research needs to determine the potential of this method as a treatment tool.
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Affiliation(s)
- Christian Hohenfeld
- Department of Neurology, RWTH Aachen University, Aachen, Germany.,Institute of Neuroscience and Medicine (INM-4, 6), Research Centre Jülich GmbH, Jülich, Germany.,JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Forschungszentrum Jülich GmbH and RWTH Aachen University, Aachen, Germany
| | - Nils Nellessen
- Department of Neurology, RWTH Aachen University, Aachen, Germany.,Institute of Neuroscience and Medicine (INM-4, 6), Research Centre Jülich GmbH, Jülich, Germany.,JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Forschungszentrum Jülich GmbH and RWTH Aachen University, Aachen, Germany
| | - Imis Dogan
- Department of Neurology, RWTH Aachen University, Aachen, Germany.,Institute of Neuroscience and Medicine (INM-4, 6), Research Centre Jülich GmbH, Jülich, Germany.,JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Forschungszentrum Jülich GmbH and RWTH Aachen University, Aachen, Germany
| | - Hanna Kuhn
- Department of Neurology, RWTH Aachen University, Aachen, Germany.,Institute of Neuroscience and Medicine (INM-4, 6), Research Centre Jülich GmbH, Jülich, Germany.,JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Forschungszentrum Jülich GmbH and RWTH Aachen University, Aachen, Germany
| | - Christine Müller
- Department of Neurology, RWTH Aachen University, Aachen, Germany.,Institute of Neuroscience and Medicine (INM-4, 6), Research Centre Jülich GmbH, Jülich, Germany.,JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Forschungszentrum Jülich GmbH and RWTH Aachen University, Aachen, Germany
| | - Federica Papa
- Department of Neurology, RWTH Aachen University, Aachen, Germany.,Institute of Neuroscience and Medicine (INM-4, 6), Research Centre Jülich GmbH, Jülich, Germany.,JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Forschungszentrum Jülich GmbH and RWTH Aachen University, Aachen, Germany
| | - Simon Ketteler
- Department of Neurology, RWTH Aachen University, Aachen, Germany.,Institute of Neuroscience and Medicine (INM-4, 6), Research Centre Jülich GmbH, Jülich, Germany.,JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Forschungszentrum Jülich GmbH and RWTH Aachen University, Aachen, Germany
| | - Rainer Goebel
- Department of Cognitive Neuroscience, Maastricht University, Maastricht, Netherlands.,Maastricht Brain Imaging Centre, Maastricht University, Maastricht, Netherlands.,Brain Innovation, Maastricht, Netherlands
| | | | - N Jon Shah
- Department of Neurology, RWTH Aachen University, Aachen, Germany.,Institute of Neuroscience and Medicine (INM-4, 6), Research Centre Jülich GmbH, Jülich, Germany.,JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Forschungszentrum Jülich GmbH and RWTH Aachen University, Aachen, Germany
| | - Jörg B Schulz
- Department of Neurology, RWTH Aachen University, Aachen, Germany.,JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Forschungszentrum Jülich GmbH and RWTH Aachen University, Aachen, Germany
| | - Martina Reske
- Institute of Neuroscience and Medicine (INM-4, 6), Research Centre Jülich GmbH, Jülich, Germany.,JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Forschungszentrum Jülich GmbH and RWTH Aachen University, Aachen, Germany
| | - Kathrin Reetz
- Department of Neurology, RWTH Aachen University, Aachen, Germany.,Institute of Neuroscience and Medicine (INM-4, 6), Research Centre Jülich GmbH, Jülich, Germany.,JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Forschungszentrum Jülich GmbH and RWTH Aachen University, Aachen, Germany
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30
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Oudman E, Postma A, Nijboer TCW, Wijnia JW, Van der Stigchel S. Visuospatial declarative learning despite profound verbal declarative amnesia in Korsakoff's syndrome. Neuropsychol Rehabil 2017; 29:325-338. [PMID: 28316271 DOI: 10.1080/09602011.2017.1294541] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Korsakoff's syndrome (KS) is a neuropsychiatric disorder characterised by severe amnesia. Although the presence of impairments in memory has long been acknowledged, there is a lack of knowledge about the precise characteristics of declarative memory capacities in order to implement memory rehabilitation. In this study, we investigated the extent to which patients diagnosed with KS have preserved declarative memory capacities in working memory, long-term memory encoding or long-term memory recall operations, and whether these capacities are most preserved for verbal or visuospatial content. The results of this study demonstrate that patients with KS have compromised declarative memory functioning on all memory indices. Performance was lowest for the encoding operation compared to the working memory and delayed recall operation. With respect to the content, visuospatial memory was relatively better preserved than verbal memory. All memory operations functioned suboptimally, although the most pronounced disturbance was found in verbal memory encoding. Based on the preserved declarative memory capacities in patients, visuospatial memory can form a more promising target for compensatory memory rehabilitation than verbal memory. It is therefore relevant to increase the number of spatial cues in memory rehabilitation for KS patients.
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Affiliation(s)
- Erik Oudman
- a Experimental Psychology , Helmholtz Institute, Utrecht University , Utrecht , The Netherlands.,b Lelie Care Group, Slingedael Korsakoff Center , Rotterdam , The Netherlands
| | - Albert Postma
- a Experimental Psychology , Helmholtz Institute, Utrecht University , Utrecht , The Netherlands.,b Lelie Care Group, Slingedael Korsakoff Center , Rotterdam , The Netherlands
| | - Tanja C W Nijboer
- a Experimental Psychology , Helmholtz Institute, Utrecht University , Utrecht , The Netherlands.,c University Medical Center Utrecht Department of Neurology , Brain Center Rudolf Magnus , Utrecht , The Netherlands.,d Brain Center Rudolf Magnus, and Center of Excellence for Rehabilitation Medicine, University Medical Center Utrecht and De Hoogstraat Rehabilitation , Utrecht , The Netherlands
| | - Jan W Wijnia
- b Lelie Care Group, Slingedael Korsakoff Center , Rotterdam , The Netherlands
| | - Stefan Van der Stigchel
- a Experimental Psychology , Helmholtz Institute, Utrecht University , Utrecht , The Netherlands
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Zaninotto AL, Vicentini JE, Solla DJ, Silva TT, Guirado VM, Feltrin F, de Lucia MC, Teixeira MJ, Paiva WS. Visuospatial memory improvement in patients with diffuse axonal injury (DAI): a 1-year follow-up study. Acta Neuropsychiatr 2017; 29:35-42. [PMID: 27725006 DOI: 10.1017/neu.2016.29] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
OBJECTIVE Diffuse axonal injury (DAI) is prevalent in traumatic brain injury (TBI), and is often associated with poor outcomes and cognitive impairment, including memory deficits. Few studies have explored visual memory after TBI and its relationship to executive functioning. Executive functioning is crucial for remembering an object's location, operating devices, driving, and route finding. We compared visual memory performance via the Rey-Osterrieth Complex Figure (ROCF) test 6 and 12 months after DAI. METHOD In total, 40 patients (mean age 28.7 years; 87.5% male) with moderate-to-severe DAI following a road traffic accident completed the 1-year follow-up. There was a three-phase prospective assessment. In phase 1 (1-3 months after trauma), patients completed the Beck Depression Inventory (BDI) and State-Trait Anxiety Inventory (STAI). In phases 2 (6 months) and 3 (12 months), they completed the BDI, STAI, and a neuropsychological battery [ROCF copy and recall, digit span forward/backward, Grooved Pegboard test, intelligence quotient (IQ) by Wechsler Adult Intelligence Scale-III (WAIS-III)]. RESULTS There was an improvement in ROCF recall over time (p=0.013), but not ROCF copy (p=0.657).There was no change in executive function (Savage scores) copy (p=0.230) or recall (p=0.155). Age, years of education, severity of the trauma, and IQ did not influence ROCF recall improvement. CONCLUSION There are time-dependent improvements in visual memory in patients with DAI. Neuroplasticity in the 1st months after trauma provides an opportunity for visuospatial memory learning. The present findings may be useful to formulate management plans for long-term TBI rehabilitation.
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Burggraaf R, Frens MA, Hooge ITC, van der Geest JN. Performance on tasks of visuospatial memory and ability: A cross-sectional study in 330 adolescents aged 11 to 20. Appl Neuropsychol Child 2017; 7:129-142. [PMID: 28075186 DOI: 10.1080/21622965.2016.1268960] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Cognitive functions mature at different points in time between birth and adulthood. Of these functions, visuospatial skills, such as spatial memory and part-to-whole organization, have often been tested in children and adults but have been less frequently evaluated during adolescence. We studied visuospatial memory and ability during this critical developmental period, as well as the correlation between these abilities, in a large group of 330 participants (aged 11 to 20 years, 55% male). To assess visuospatial memory, the participants were asked to memorize and reproduce sequences of random locations within a grid using a computer. Visuospatial ability was tested using a variation of the Design Organization Test (DOT). In this paper-and-pencil test, the participants had one minute to reproduce as many visual patterns as possible using a numerical code. On the memory task, compared with younger participants, older participants correctly reproduced more locations overall and longer sequences of locations, made fewer mistakes and needed less time to reproduce the sequences. In the visuospatial ability task, the number of correctly reproduced patterns increased with age. We show that both visuospatial memory and ability improve significantly throughout adolescence and that performance on both tasks is significantly correlated.
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Affiliation(s)
- Rudolf Burggraaf
- a Department of Neuroscience , Erasmus MC , Rotterdam , The Netherlands.,b Department of Experimental Psychology , Utrecht University , Utrecht , The Netherlands
| | - Maarten A Frens
- a Department of Neuroscience , Erasmus MC , Rotterdam , The Netherlands.,c Erasmus University College , Erasmus University , Rotterdam , The Netherlands
| | - Ignace T C Hooge
- b Department of Experimental Psychology , Utrecht University , Utrecht , The Netherlands
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Leonard TK, Hoffman KL. Sharp-Wave Ripples in Primates Are Enhanced near Remembered Visual Objects. Curr Biol 2017; 27:257-62. [PMID: 28041797 DOI: 10.1016/j.cub.2016.11.027] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 10/08/2016] [Accepted: 11/10/2016] [Indexed: 12/25/2022]
Abstract
The hippocampus plays an important role in memory for events that are distinct in space and time. One of the strongest, most synchronous neural signals produced by the hippocampus is the sharp-wave ripple (SWR), observed in a variety of mammalian species during offline behaviors, such as slow-wave sleep [1-3] and quiescent waking and pauses in exploration [4-8], leading to long-standing and widespread theories of its contribution to plasticity and memory during these inactive or immobile states [9-14]. Indeed, during sleep and waking inactivity, hippocampal SWRs in rodents appear to support spatial long-term and working memory [4, 15-23], but so far, they have not been linked to memory in primates. More recently, SWRs have been observed during active, visual scene exploration in macaques [24], opening up the possibility that these active-state ripples in the primate hippocampus are linked to memory for objects embedded in scenes. By measuring hippocampal SWRs in macaques during search for scene-contextualized objects, we found that SWR rate increased with repeated presentations. Furthermore, gaze during SWRs was more likely to be near the target object on repeated than on novel presentations, even after accounting for overall differences in gaze location with scene repetition. This proximity bias with repetition occurred near the time of target object detection for remembered targets. The increase in ripple likelihood near remembered visual objects suggests a link between ripples and memory in primates; specifically, SWRs may reflect part of a mechanism supporting the guidance of search based on past experience.
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Quinlivan B, Butler JS, Ridwan AR, Beiser I, Williams L, McGovern E, O'Riordan S, Hutchinson M, Reilly RB. Exploring the unknown: electrophysiological and behavioural measures of visuospatial learning. Eur J Neurosci 2016; 43:1128-36. [PMID: 26840918 DOI: 10.1111/ejn.13195] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Revised: 01/26/2016] [Accepted: 01/27/2016] [Indexed: 11/30/2022]
Abstract
Visuospatial memory describes our ability to temporarily store and manipulate visual and spatial information and is employed for a wide variety of complex cognitive tasks. Here, a visuospatial learning task requiring fine motor control is employed to investigate visuospatial learning in a group of typically developing adults. Electrophysiological and behavioural data are collected during a target location task under two experimental conditions: Target Learning and Target Cued. Movement times (MTs) are employed as a behavioural metric of performance, while dynamic P3b amplitudes and power in the alpha band (approximately 10 Hz) are explored as electrophysiological metrics during visuospatial learning. Results demonstrate that task performance, as measured by MT, is highly correlated with P3b amplitude and alpha power at a consecutive trial level (trials 1-30). The current set of results, in conjunction with the existing literature, suggests that changes in P3b amplitude and alpha power could correspond to different aspects of the learning process. Here it is hypothesized that changes in P3b correspond to a diminishing inter-stimulus interval and reduced stimulus relevance, while the corresponding changes in alpha power represent an automation of response as habituation occurs in participants. The novel analysis presented in the current study demonstrates how gradual electrophysiological changes can be tracked during the visuospatial learning process under the current paradigm.
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Affiliation(s)
- Brendan Quinlivan
- Trinity Centre for Bioengineering, Trinity College Dublin, 152-160 Pearse St, Dublin 2, Ireland.,School of Engineering, Trinity College Dublin, Dublin, Ireland
| | - John S Butler
- Trinity Centre for Bioengineering, Trinity College Dublin, 152-160 Pearse St, Dublin 2, Ireland.,School of Mathematical Sciences, Dublin Institute of Technology, Kevin St, Dublin, Ireland
| | - Abdur Raquib Ridwan
- Trinity Centre for Bioengineering, Trinity College Dublin, 152-160 Pearse St, Dublin 2, Ireland.,School of Engineering, Trinity College Dublin, Dublin, Ireland
| | - Ines Beiser
- Department of Neurology, St Vincent's University Hospital, Dublin, Ireland.,School of Medicine, University College Dublin, Ireland
| | - Laura Williams
- Department of Neurology, St Vincent's University Hospital, Dublin, Ireland.,School of Medicine, University College Dublin, Ireland
| | - Eavan McGovern
- Department of Neurology, St Vincent's University Hospital, Dublin, Ireland.,School of Medicine, University College Dublin, Ireland
| | - Sean O'Riordan
- Department of Neurology, St Vincent's University Hospital, Dublin, Ireland.,School of Medicine, University College Dublin, Ireland
| | - Michael Hutchinson
- Department of Neurology, St Vincent's University Hospital, Dublin, Ireland.,School of Medicine, University College Dublin, Ireland
| | - Richard B Reilly
- Trinity Centre for Bioengineering, Trinity College Dublin, 152-160 Pearse St, Dublin 2, Ireland.,School of Engineering, Trinity College Dublin, Dublin, Ireland.,School of Medicine, Trinity College Dublin, Dublin, Ireland
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Chechlacz M, Gillebert CR, Vangkilde SA, Petersen A, Humphreys GW. Structural Variability within Frontoparietal Networks and Individual Differences in Attentional Functions: An Approach Using the Theory of Visual Attention. J Neurosci 2015; 35:10647-58. [PMID: 26224851 DOI: 10.1523/JNEUROSCI.0210-15.2015] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Visuospatial attention allows us to select and act upon a subset of behaviorally relevant visual stimuli while ignoring distraction. Bundesen's theory of visual attention (TVA) (Bundesen, 1990) offers a quantitative analysis of the different facets of attention within a unitary model and provides a powerful analytic framework for understanding individual differences in attentional functions. Visuospatial attention is contingent upon large networks, distributed across both hemispheres, consisting of several cortical areas interconnected by long-association frontoparietal pathways, including three branches of the superior longitudinal fasciculus (SLF I-III) and the inferior fronto-occipital fasciculus (IFOF). Here we examine whether structural variability within human frontoparietal networks mediates differences in attention abilities as assessed by the TVA. Structural measures were based on spherical deconvolution and tractography-derived indices of tract volume and hindrance-modulated orientational anisotropy (HMOA). Individual differences in visual short-term memory (VSTM) were linked to variability in the microstructure (HMOA) of SLF II, SLF III, and IFOF within the right hemisphere. Moreover, VSTM and speed of information processing were linked to hemispheric lateralization within the IFOF. Differences in spatial bias were mediated by both variability in microstructure and volume of the right SLF II. Our data indicate that the microstructural and macrostrucutral organization of white matter pathways differentially contributes to both the anatomical lateralization of frontoparietal attentional networks and to individual differences in attentional functions. We conclude that individual differences in VSTM capacity, processing speed, and spatial bias, as assessed by TVA, link to variability in structural organization within frontoparietal pathways.
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Nelson AJD, Hindley EL, Pearce JM, Vann SD, Aggleton JP. The effect of retrosplenial cortex lesions in rats on incidental and active spatial learning. Front Behav Neurosci 2015; 9:11. [PMID: 25705182 PMCID: PMC4319482 DOI: 10.3389/fnbeh.2015.00011] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 01/13/2015] [Indexed: 01/28/2023] Open
Abstract
The study examined the importance of the retrosplenial cortex for the incidental learning of the spatial arrangement of distinctive features within a scene. In a modified Morris water-maze, rats spontaneously learnt the location of an escape platform prior to swimming to that location. For this, rats were repeatedly placed on a submerged platform in one corner of either a rectangular (Experiment 1) or square (Experiments 2, 3) pool with walls of different appearance. The rats were then released in the center of the pool for their first test trial. In Experiment 1, the correct corner and its diagonally opposite partner (also correct) were specified by the geometric properties of the pool. Rats with retrosplenial lesions took longer to first reach a correct corner, subsequently showing an attenuated preference for the correct corners. A reduced preference for the correct corner was also found in Experiment 2, when platform location was determined by the juxtaposition of highly salient visual cues (black vs. white walls). In Experiment 3, less salient visual cues (striped vs. white walls) led to a robust lesion impairment, as the retrosplenial lesioned rats showed no preference for the correct corner. When subsequently trained actively to swim to the correct corner over successive trials, retrosplenial lesions spared performance on all three discriminations. The findings not only reveal the importance of the retrosplenial cortex for processing various classes of visuospatial information but also highlight a broader role in the incidental learning of the features of a spatial array, consistent with the translation of scene information.
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Affiliation(s)
| | | | - J. M. Pearce
- School of Psychology, Cardiff UniversityCardiff, UK
| | - S. D. Vann
- School of Psychology, Cardiff UniversityCardiff, UK
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Abstract
Almost one-third of the participants in a neuropsychological study signed the consent form below the given line. The relationship between a signature position on or below the line and participants' cognitive function was investigated. Fifty drug-dependent individuals, 50 of their siblings, and 50 unrelated control participants completed a battery of neuropsychological tests using the Cambridge Neuropsychological Test Automated Battery (CANTAB). Individuals signing below, rather than on, the line performed more poorly on tests of visuospatial memory, but no differently on other cognitive tests. Signature positioning may be a soft sign for impairment of the mechanisms involved in visuospatial memory.
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Affiliation(s)
- Claire F Whitelock
- a Department of Psychiatry and Behavioural and Clinical Neuroscience Institute , University of Cambridge , Cambridge , UK
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Luo Y, Wang J, Wu H, Zhu D, Zhang Y. Working-memory training improves developmental dyslexia in Chinese children. Neural Regen Res 2014; 8:452-60. [PMID: 25206687 PMCID: PMC4146131 DOI: 10.3969/j.issn.1673-5374.2013.05.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2012] [Accepted: 12/12/2012] [Indexed: 11/18/2022] Open
Abstract
Although plasticity in the neural system underlies working memory, and working memory can be improved by training, there is thus far no evidence that children with developmental dyslexia can benefit from working-memory training. In the present study, thirty dyslexic children aged 8-11 years were recruited from an elementary school in Wuhan, China. They received working-memory training, including training in visuospatial memory, verbal memory, and central executive tasks. The difficulty of the tasks was adjusted based on the performance of each subject, and the training sessions lasted 40 minutes per day, for 5 weeks. The results showed that working-memory training significantly enhanced performance on the nontrained working memory tasks such as the visuospatial, the verbal domains, and central executive tasks in children with developmental dyslexia. More importantly, the visual rhyming task and reading fluency task were also significantly improved by training. Progress on working memory measures was related to changes in reading skills. These experimental findings indicate that working memory is a pivotal factor in reading development among children with developmental dyslexia, and interventions to improve working memory may help dyslexic children to become more proficient in reading.
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Affiliation(s)
- Yan Luo
- Department of Child and Women Health Care, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
| | - Jing Wang
- Wuhan Mental Health Center, Wuhan 430000, Hubei Province, China
| | - Hanrong Wu
- Department of Child and Women Health Care, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
| | - Dongmei Zhu
- Department of Child and Women Health Care, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
| | - Yu Zhang
- Department of Child and Women Health Care, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
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Kanayama G, Kean J, Hudson JI, Pope HG Jr. Cognitive deficits in long-term anabolic-androgenic steroid users. Drug Alcohol Depend 2013; 130:208-14. [PMID: 23253252 DOI: 10.1016/j.drugalcdep.2012.11.008] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2012] [Revised: 11/11/2012] [Accepted: 11/12/2012] [Indexed: 10/27/2022]
Abstract
BACKGROUND Millions of individuals worldwide have used anabolic-androgenic steroids (AAS) to gain muscle or improve athletic performance. Recently, in vitro investigations have suggested that supraphysiologic AAS doses cause apoptosis of neuronal cells. These findings raise the possibility, apparently still untested, that humans using high-dose AAS might eventually develop cognitive deficits. METHODS We administered five cognitive tests from the computerized CANTAB battery (Pattern Recognition Memory, Verbal Recognition Memory, Paired Associates Learning, Choice Reaction Time, and Rapid Visual Information Processing) to 31 male AAS users and 13 non-AAS-using weightlifters age 29-55, recruited and studied in May 2012 in Middlesbrough, UK. Testers were blinded to participants' AAS status and other historical data. RESULTS Long-term AAS users showed no significant differences from nonusers on measures of response speed, sustained attention, and verbal memory. On visuospatial memory, however, AAS users performed significantly more poorly than nonusers, and within the user group, visuospatial performance showed a significant negative correlation with total lifetime AAS dose. These were large effects: on Pattern Recognition Memory, long-term AAS users underperformed nonusers by almost one standard deviation, based on normative population scores (adjusted mean difference in z-scores=0.89; p=0.036), and performance on this test declined markedly with increasing lifetime AAS dose (adjusted change in z-score=-0.13 per 100g of lifetime AAS dose; p=0.002). These results remained stable in sensitivity analyses addressing potential confounding factors. CONCLUSIONS These preliminary findings raise the ominous possibility that long-term high-dose AAS exposure may cause cognitive deficits, notably in visuospatial memory.
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Groen MA, Whitehouse AJO, Badcock NA, Bishop DVM. Does cerebral lateralization develop? A study using functional transcranial Doppler ultrasound assessing lateralization for language production and visuospatial memory. Brain Behav 2012; 2:256-69. [PMID: 22741100 PMCID: PMC3381631 DOI: 10.1002/brb3.56] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2011] [Revised: 03/09/2012] [Accepted: 03/13/2012] [Indexed: 01/19/2023] Open
Abstract
In the majority of people, language production is lateralized to the left cerebral hemisphere and visuospatial skills to the right. However, questions remain as to when, how, and why humans arrive at this division of labor. In this study, we assessed cerebral lateralization for language production and for visuospatial memory using functional transcranial Doppler ultrasound in a group of 60 typically developing children between the ages of six and 16 years. The typical pattern of left-lateralized activation for language production and right-lateralized activation for visuospatial memory was found in the majority of the children (58%). No age-related change in direction or strength of lateralization was found for language production. In contrast, the strength of lateralization (independent of direction) for visuospatial memory function continued to increase with age. In addition, boys showed a trend for stronger right-hemisphere lateralization for visuospatial memory than girls, but there was no gender effect on language laterality. We tested whether having language and visuospatial functions in the same hemisphere was associated with poor cognitive performance and found no evidence for this "functional crowding" hypothesis. We did, however, find that children with left-lateralized language production had higher vocabulary and nonword reading age-adjusted standard scores than other children, regardless of the laterality of visuospatial memory. Thus, a link between language function and left-hemisphere lateralization exists, and cannot be explained in terms of maturational change.
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Ayala-Feliciano M, Pons-Valerio JJ, Pons-Madera J, Acevedo SF. The Relationship between Visuospatial Memory and Coping Strategies in Breast Cancer Survivors. Breast Cancer (Auckl) 2011; 5:117-30. [PMID: 21695096 PMCID: PMC3117625 DOI: 10.4137/bcbcr.s6957] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Background: In the US there are over 2.5 million breast cancer survivors (BCSs), most of whom have required some type of intensive treatment. How individuals cope with the treatment process may relate to why neurocognitive problems arise. Method: We explored the impact of treatment for breast cancer (BC) on performance of the Memory Island task, both on working memory and on the general index of cognitive performance in relation to coping strategies of BCSs compared to age-matched controls. Results: The evidence obtained suggests a reduced performance in visuospatial memory in BCSs. Those who used emotional coping strategies displayed reduced performance in visuospatial learning and immediate memory. Those women who used problem-focused coping strategies performed better in those tasks measuring psychomotor speed, general intelligence, and delayed visuospatial memory. Conclusions: It is concluded that further investigation of the relationship between coping strategies and performance on visuospatial tasks may provide useful information on residual levels of neurocognitive deficits and psychosocial adaptation in BCSs.
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