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Pagán CR, Arrotta K, Cunnignham Chilton R, Schmitter-Edgecombe M. Error monitoring in amnestic mild cognitive impairment: Cognitive correlates and relationship to measures of everyday function. Neuropsychology 2023; 37:933-942. [PMID: 36689394 PMCID: PMC10363240 DOI: 10.1037/neu0000887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
OBJECTIVE Accurate error monitoring is important for successful completion of everyday tasks and compensatory strategy use. This study examined how error awareness is impacted in amnestic mild cognitive impairment (aMCI) compared to cognitively healthy older adults (HOA). Cognitive correlates of error monitoring and relation to objective and self-reported measurement of everyday function were also evaluated. METHOD Twenty-four individuals with aMCI and 24 cognitively HOAs completed standardized cognitive measures (domains: attention, working memory, executive functioning, memory, language, visuospatial abilities); a computerized go-no-go paradigm task that evaluated error monitoring; a naturalistic, performance-based measure of everyday functioning (day-out-task; DOT); and self- and informant-report measures of everyday dysexecutive difficulties (DEX). RESULTS Participants with aMCI demonstrated significantly poorer error monitoring as compared to the HOA group (Cohen's d = 1.02). Working memory and executive functioning were significantly related to error monitoring for both groups. After accounting for age and global cognitive status, hierarchical regressions revealed error monitoring significantly predicted DOT total time (but not accuracy) as well as both self- and informant-report DEX scores. CONCLUSIONS Compared to HOAs, individuals with aMCI exhibited poorer conscious error awareness. Better error monitoring was associated with higher working memory and executive functioning abilities and predicted better everyday functioning. If individuals with aMCI experience difficulties recognizing performance inaccuracies, they will be unable to correct their errors, leading to mistakes in everyday task completion and difficulty implementing appropriate compensatory strategies. Findings suggest that error monitoring may be a potential target for intervention with individuals with aMCI. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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Affiliation(s)
- Carolyn R. Pagán
- Department of Psychology, Washington State University, Pullman, WA, USA
| | - Kayela Arrotta
- Neurological Institute, Cleveland Clinic, Cleveland, OH, USA
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2
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Torenvliet C, Groenman AP, Lever AG, Ridderinkhof KR, Geurts HM. Prepotent response inhibition in autism: Not an inhibitory deficit? Cortex 2023; 166:275-285. [PMID: 37437321 DOI: 10.1016/j.cortex.2023.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 03/16/2023] [Accepted: 05/23/2023] [Indexed: 07/14/2023]
Abstract
Research outcomes on prepotent response inhibition in neurodevelopmental conditions during adulthood seem inconsistent, especially in autism. To gain further insight in these inconsistencies, the current study investigates inhibitory performance, as well as task strategies such as adaptive behavior during inhibitory tasks in autistic adults. As Attention-Deficit/Hyperactivity Disorder (ADHD) is often co-occurring in autism and associated with differences in both inhibition and adaptation, the role of ADHD symptoms is explored. Additionally, prior research is extended to middle- and late-adulthood, and the role of cognitive aging is assessed. Hundred-and-five autistic adults and 139 non-autistic adults (age: 20-80 yrs) were compared on a Go-NoGo task. No significant group differences in inhibitory difficulties (commission errors) or adaptation (post error slowing) were observed, and both did not relate significantly to ADHD symptoms. However, when controlling for reaction time autistic individuals made significantly more inhibitory errors than non-autistic individuals, yet the effect size was modest (Cohen's d = .27). Exploratory analyses showed that adaption significantly related to inhibition in non-autistic individuals only, possibly hinting at altered adaptive behavior during inhibitory tasks in autistic adults. ADHD symptoms related to response variability in the autism group only. Furthermore, task strategy changed with older age in both groups, with slower and more cautious responses at older age. Taken together, although minor differences may exist, autistic and non-autistic people show largely similar patterns of inhibitory behavior throughout adulthood. Differences in task timing and strategy seem relevant for future longitudinal studies on cognitive aging across neurodevelopmental conditions.
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Affiliation(s)
- Carolien Torenvliet
- Dutch Autism & ADHD Research Center, Department of Psychology, University of Amsterdam, Amsterdam, the Netherlands.
| | - Annabeth P Groenman
- Dutch Autism & ADHD Research Center, Department of Psychology, University of Amsterdam, Amsterdam, the Netherlands; Research Institute Child Development and Education, University of Amsterdam, Amsterdam, the Netherlands
| | - Anne G Lever
- Dutch Autism & ADHD Research Center, Department of Psychology, University of Amsterdam, Amsterdam, the Netherlands
| | | | - Hilde M Geurts
- Dutch Autism & ADHD Research Center, Department of Psychology, University of Amsterdam, Amsterdam, the Netherlands; Dr. Leo Kannerhuis, Autism Clinic (Youz/Parnassia Group), Amsterdam, the Netherlands
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Möde L, Borgolte A, Ghaneirad E, Roy M, Sinke C, Szycik GR, Bleich S, Wiswede D. Cognitive control in adults with high-functioning autism spectrum disorder: a study with event-related potentials. Front Psychiatry 2023; 14:1180827. [PMID: 37599885 PMCID: PMC10436303 DOI: 10.3389/fpsyt.2023.1180827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 07/21/2023] [Indexed: 08/22/2023] Open
Abstract
Introduction Little is known about cognitive control in adults with high-functioning forms of autism spectrum disorder because previous research focused on children and adolescents. Cognitive control is crucial to monitor and readjust behavior after errors to select contextually appropriate reactions. The congruency effect and conflict adaptation are measures of cognitive control. Post-error slowing, error-related negativity and error positivity provide insight into behavioral and electrophysiological correlates of error processing. In children and adolescent with autism spectrum disorder deficits in cognitive control and error processing have been shown by changes in post-error slowing, error-related negativity and error positivity in the flanker task. Methods We performed a modified Eriksen flanker task in 17 adults with high-functioning autism spectrum disorder and 17 healthy controls. As behavioral measures of cognitive control and error processing, we included reaction times and error rates to calculate congruency effects, conflict adaptation, and post-error slowing. Event-related potentials namely error-related negativity and error positivity were measured to assess error-related brain activity. Results Both groups of participants showed the expected congruency effects demonstrated by faster and more accurate responses in congruent compared to incongruent trials. Healthy controls exhibited conflict adaptation as they obtained performance benefits after incongruent trials whereas patients with autism spectrum disorder did not. The expected slowing in reaction times after errors was observed in both groups of participants. Individuals with autism spectrum disorder demonstrated enhanced electrophysiological error-processing compared to healthy controls indicated by increased error-related negativity and error positivity difference amplitudes. Discussion Our findings show that adults with high-functioning autism spectrum disorder do not show the expected upregulation of cognitive control in response to conflicts. This finding implies that previous experiences may have a reduced influence on current behavior in these patients which possibly contributes to less flexible behavior. Nevertheless, we observed intact behavioral reactions after errors indicating that adults with high-functioning autism spectrum disorder can flexibly adjust behavior in response to changed environmental demands when necessary. The enhancement of electrophysiological error-processing indicates that adults with high-functioning autism spectrum disorder demonstrate an extraordinary reactivity toward errors reflecting increased performance monitoring in this subpopulation of autism spectrum disorder patients.
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Affiliation(s)
- Laura Möde
- Department of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Anna Borgolte
- Department of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Erfan Ghaneirad
- Department of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Mandy Roy
- Asklepios, Psychiatric Hospital Ochsenzoll, Hamburg, Germany
| | - Christopher Sinke
- Department of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Gregor R. Szycik
- Department of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Stefan Bleich
- Department of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany
- Center of Systems Neuroscience, Hannover, Germany
| | - Daniel Wiswede
- Department of Neurology, University of Lübeck, Lübeck, Germany
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Huashuang Z, Yang L, Chensheng H, Jing X, Bo C, Dongming Z, Kangfu L, Shi-Bin W. Prevalence of Adverse Effects Associated With Transcranial Magnetic Stimulation for Autism Spectrum Disorder: A Systematic Review and Meta-Analysis. Front Psychiatry 2022; 13:875591. [PMID: 35677871 PMCID: PMC9168239 DOI: 10.3389/fpsyt.2022.875591] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 04/19/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND A growing number of studies have suggested that transcranial magnetic stimulation (TMS) may represent a novel technique with both investigative and therapeutic potential for autism spectrum disorder (ASD). However, a full spectrum of the adverse effects (AEs) of TMS used in ASD has not been specifically and systematically evaluated. OBJECTIVE This systematic review and meta-analysis was to assess the prevalence of AEs related to TMS in ASD and to further explore the potentially related factors on the AEs. METHODS A systematic literature research of articles published before 31 December 2020 was conducted in the databases of PubMed, Embase, Cochrane Library, Ovid, PsycINFO, Chinese National Knowledge Infrastructure (CNKI), Chongqing VIP, and WANFANG DATA. AEs reported in the studies were carefully examined and synthesized to understand the safety and tolerability of TMS among ASD. Then, subgroup and sensitivity analyses were performed to examine the potentially related factors on the AEs. PROSPERO registration number: CRD42021239827. RESULTS Eleven studies were included in the meta-analysis. The pooled prevalence with 95% confidence interval (CI) of AEs was calculated (overall AEs: 25%, 95% CI 18-33%; headache: 10%, 95% CI 3-19%; facial discomfort: 15%, 95% CI 4-29%; irritability 21%, 95% CI 8-37%; pain at the application site: 6%, 95% CI 0-19%; headedness or dizziness: 8%, 95% CI 0-23%). All reported AEs were mild and transient with relatively few serious AEs and can be resolved after having a rest or medication. In addition, the following variables showed no significant change in overall prevalence of AEs: the purpose of using TMS, mean age of participants, whether the stimulation site was dorsolateral pre-frontal cortex (DLPFC), intensity of TMS, and the number of stimulation sessions. CONCLUSION The overall prevalence of reported AEs of TMS among ASD was 25%. No identified ASD-specific risk factors for TMS-induced AEs were found. Further studies are needed to clarify the variation in the prevalence. SYSTEMATIC REVIEW REGISTRATION www.crd.york.ac.uk/PROSPERO/display_record.php?RecordID=239827, PROSPERO, identifier: CRD42021239827.
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Affiliation(s)
- Zhang Huashuang
- Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China.,Department of Ophthalmology, Affiliated Foshan Hospital, Southern Medical University, Foshan, China
| | - Li Yang
- Center for Evidence-Based and Translational Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Hou Chensheng
- Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China
| | - Xin Jing
- Department of Pediatric Rehabilitation Medicine, Foshan Fosun Chancheng Hospital, Foshan, China
| | - Chen Bo
- Department of Cardiovascular Surgery, The People's Hospital of Gaozhou, Gaozhou, China
| | - Zhang Dongming
- Department of Neurology, Foshan Fosun Chancheng Hospital, Foshan, China
| | - Liang Kangfu
- Department of Ophthalmology, Affiliated Foshan Hospital, Southern Medical University, Foshan, China
| | - Wang Shi-Bin
- Guangdong Mental Health Center, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
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Unbiased post-error slowing in interference tasks: A confound and a simple solution. Behav Res Methods 2021; 54:1416-1427. [PMID: 34713426 PMCID: PMC9170639 DOI: 10.3758/s13428-021-01673-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/01/2021] [Indexed: 11/08/2022]
Abstract
We typically slow down after committing an error, an effect termed post-error slowing (PES). Traditionally, PES has been calculated by subtracting post-correct from post-error RTs. Dutilh et al. (Journal of Mathematical Psychology, 56(3), 208-216, 2012), however, showed PES values calculated in this way are potentially biased. Therefore, they proposed to compute robust PES scores by subtracting pre-error RTs from post-error RTs. Based on data from a large-scale study using the flanker task, we show that both traditional and robust PES estimates can be biased. The source of the bias are differential imbalances in the percentage of congruent vs. incongruent post-correct, pre-error, and post-error trials. Specifically, we found that post-correct, pre-error, and post-error trials were more likely to be congruent than incongruent, with the size of the imbalance depending on the trial type as well as the length of the response-stimulus interval (RSI). In our study, for trials preceded by a 700-ms RSI, the percentages of congruent trials were 62% for post-correct trials, 66% for pre-error trials, and 56% for post-error trials. Relative to unbiased estimates, these imbalances inflated traditional PES estimates by 37% (9 ms) and robust PES estimates by 42% (16 ms) when individual-participant means were calculated. When individual-participant medians were calculated, the biases were even more pronounced (40% and 50% inflation, respectively). To obtain unbiased PES scores for interference tasks, we propose to compute unweighted individual-participant means by initially calculating mean RTs for congruent and incongruent trials separately, before averaging congruent and incongruent mean RTs to calculate means for post-correct, pre-error and post-error trials.
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6
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Bellato A, Norman L, Idrees I, Ogawa CY, Waitt A, Zuccolo PF, Tye C, Radua J, Groom MJ, Shephard E. A systematic review and meta-analysis of altered electrophysiological markers of performance monitoring in Obsessive-Compulsive Disorder (OCD), Gilles de la Tourette Syndrome (GTS), Attention-Deficit/Hyperactivity disorder (ADHD) and Autism. Neurosci Biobehav Rev 2021; 131:964-987. [PMID: 34687698 DOI: 10.1016/j.neubiorev.2021.10.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 10/14/2021] [Accepted: 10/15/2021] [Indexed: 12/15/2022]
Abstract
Altered performance monitoring is implicated in obsessive-compulsive disorder (OCD), Gilles de la Tourette syndrome (GTS), attention-deficit/hyperactivity disorder (ADHD) and autism. We conducted a systematic review and meta-analysis of electrophysiological correlates of performance monitoring (error-related negativity, ERN; error positivity, Pe; feedback-related negativity, FRN; feedback-P3) in individuals with OCD, GTS, ADHD or autism compared to control participants, or associations between correlates and symptoms/traits of these conditions. Meta-analyses on 97 studies (5890 participants) showed increased ERN in OCD (Hedge's g = 0.54[CIs:0.44,0.65]) and GTS (g = 0.99[CIs:0.05,1.93]). OCD also showed increased Pe (g = 0.51[CIs:0.21,0.81]) and FRN (g = 0.50[CIs:0.26,0.73]). ADHD and autism showed reduced ERN (ADHD: g=-0.47[CIs:-0.67,-0.26]; autism: g=-0.61[CIs:-1.10,-0.13]). ADHD also showed reduced Pe (g=-0.50[CIs:-0.69,-0.32]). These findings suggest overlap in electrophysiological markers of performance monitoring alterations in four common neurodevelopmental conditions, with increased amplitudes of the markers in OCD and GTS and decreased amplitudes in ADHD and autism. Implications of these findings in terms of shared and distinct performance monitoring alterations across these neurodevelopmental conditions are discussed. PROSPERO pre-registration code: CRD42019134612.
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Affiliation(s)
- Alessio Bellato
- Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King's College London, London, UK; Academic Unit of Mental Health & Clinical Neurosciences, School of Medicine, Institute of Mental Health, University of Nottingham, Nottingham, UK
| | - Luke Norman
- Section on Neurobehavioral and Clinical Research, Social and Behavioral Research Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - Iman Idrees
- Academic Unit of Mental Health & Clinical Neurosciences, School of Medicine, Institute of Mental Health, University of Nottingham, Nottingham, UK
| | - Carolina Y Ogawa
- Department of Psychiatry, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Alice Waitt
- Academic Unit of Mental Health & Clinical Neurosciences, School of Medicine, Institute of Mental Health, University of Nottingham, Nottingham, UK
| | - Pedro F Zuccolo
- Department of Psychiatry, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Charlotte Tye
- Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King's College London, London, UK
| | - Joaquim Radua
- Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King's College London, London, UK; Imaging of Mood- and Anxiety-Related Disorders (IMARD) Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), CIBERSAM, Barcelona, Spain; Department of Clinical Neuroscience, Centre for Psychiatric Research and Education, Karolinska Institutet, Stockholm, Sweden
| | - Madeleine J Groom
- Academic Unit of Mental Health & Clinical Neurosciences, School of Medicine, Institute of Mental Health, University of Nottingham, Nottingham, UK
| | - Elizabeth Shephard
- Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King's College London, London, UK; Department of Psychiatry, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil.
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Vishne G, Jacoby N, Malinovitch T, Epstein T, Frenkel O, Ahissar M. Slow update of internal representations impedes synchronization in autism. Nat Commun 2021; 12:5439. [PMID: 34521851 PMCID: PMC8440645 DOI: 10.1038/s41467-021-25740-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 08/18/2021] [Indexed: 02/07/2023] Open
Abstract
Autism is a neurodevelopmental disorder characterized by impaired social skills, motor and perceptual atypicalities. These difficulties were explained within the Bayesian framework as either reflecting oversensitivity to prediction errors or - just the opposite - slow updating of such errors. To test these opposing theories, we administer paced finger-tapping, a synchronization task that requires use of recent sensory information for fast error-correction. We use computational modelling to disentangle the contributions of error-correction from that of noise in keeping temporal intervals, and in executing motor responses. To assess the specificity of tapping characteristics to autism, we compare performance to both neurotypical individuals and individuals with dyslexia. Only the autism group shows poor sensorimotor synchronization. Trial-by-trial modelling reveals typical noise levels in interval representations and motor responses. However, rate of error correction is reduced in autism, impeding synchronization ability. These results provide evidence for slow updating of internal representations in autism.
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Affiliation(s)
- Gal Vishne
- Edmond and Lily Safra Center for Brain Sciences, Hebrew University, Jerusalem, Israel.
| | - Nori Jacoby
- Computational Auditory Perception Group, Max Planck Institute for Empirical Aesthetics, Frankfurt, Germany
| | | | - Tamir Epstein
- Psychiatric Division, Sheba Medical Center, Tel-Hashomer, Israel
| | - Or Frenkel
- Psychology Department, Hebrew University, Jerusalem, Israel
| | - Merav Ahissar
- Edmond and Lily Safra Center for Brain Sciences, Hebrew University, Jerusalem, Israel.
- Psychology Department, Hebrew University, Jerusalem, Israel.
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Casanova MF, Sokhadze EM, Casanova EL, Li X. Transcranial Magnetic Stimulation in Autism Spectrum Disorders: Neuropathological Underpinnings and Clinical Correlations. Semin Pediatr Neurol 2020; 35:100832. [PMID: 32892959 PMCID: PMC7477302 DOI: 10.1016/j.spen.2020.100832] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Despite growing knowledge about autism spectrum disorder (ASD), research findings have not been translated into curative treatment. At present, most therapeutic interventions provide for symptomatic treatment. Outcomes of interventions are judged by subjective endpoints (eg, behavioral assessments) which alongside the highly heterogeneous nature of ASD account for wide variability in the effectiveness of treatments. Transcranial magnetic stimulation (TMS) is one of the first treatments that targets a putative core pathologic feature of autism, specifically the cortical inhibitory imbalance that alters gamma frequency synchronization. Studies show that low frequency TMS over the dorsolateral prefrontal cortex of individuals with ASD decreases the power of gamma activity and increases the difference between gamma responses to target and nontarget stimuli. TMS improves executive function skills related to self-monitoring behaviors and the ability to apply corrective actions. These improvements manifest themselves as a reduction of stimulus bound behaviors and diminished sympathetic arousal. Results become more significant with increasing number of sessions and bear synergism when used along with neurofeedback. When applied at low frequencies in individuals with ASD, TMS appears to be safe and to improve multiple patient-oriented outcomes. Future studies should be conducted in large populations to establish predictors of outcomes (eg, genetic profiling), length of persistence of benefits, and utility of booster sessions.
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Affiliation(s)
- Manuel F. Casanova
- Director of Childhood Neurotherapeutics, Greenville Health System, Departments of Pediatrics, Division of Developmental Behavioral Pediatrics, Greenville, SC, USA and Professor of Biomedical Sciences, University of South Carolina School of Medicine Greenville, Greenville, SC, USA
| | - Estate M. Sokhadze
- Research Professor, University of South Carolina School of Medicine Greenville, Greenville, SC, USA
| | - Emily L. Casanova
- Research Assistant Professor, University of South Carolina School of Medicine Greenville, Greenville, SC, USA
| | - Xiaoli Li
- Director, State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China; Center for Collaboration and Innovation in Brain and Learning Sciences, Beijing Normal University, Beijing, China
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9
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Casanova MF, Shaban M, Ghazal M, El-Baz AS, Casanova EL, Opris I, Sokhadze EM. Effects of Transcranial Magnetic Stimulation Therapy on Evoked and Induced Gamma Oscillations in Children with Autism Spectrum Disorder. Brain Sci 2020; 10:E423. [PMID: 32635201 PMCID: PMC7408068 DOI: 10.3390/brainsci10070423] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 11/16/2022] Open
Abstract
Autism spectrum disorder (ASD) is a behaviorally diagnosed neurodevelopmental condition of unknown pathology. Research suggests that abnormalities of elecltroencephalogram (EEG) gamma oscillations may provide a biomarker of the condition. In this study, envelope analysis of demodulated waveforms for evoked and induced gamma oscillations in response to Kanizsa figures in an oddball task were analyzed and compared in 19 ASD and 19 age/gender-matched neurotypical children. The ASD group was treated with low frequency transcranial magnetic stimulation (TMS), (1.0 Hz, 90% motor threshold, 18 weekly sessions) targeting the dorsolateral prefrontal cortex. In ASD subjects, as compared to neurotypicals, significant differences in evoked and induced gamma oscillations were evident in higher magnitude of gamma oscillations pre-TMS, especially in response to non-target cues. Recordings post-TMS treatment in ASD revealed a significant reduction of gamma responses to task-irrelevant stimuli. Participants committed fewer errors post-TMS. Behavioral questionnaires showed a decrease in irritability, hyperactivity, and repetitive behavior scores. The use of a novel metric for gamma oscillations. i.e., envelope analysis using wavelet transformation allowed for characterization of the impedance of the originating neuronal circuit. The results suggest that gamma oscillations may provide a biomarker reflective of the excitatory/inhibitory balance of the cortex and a putative outcome measure for interventions in autism.
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Affiliation(s)
- Manuel F. Casanova
- Department of Biomedical Sciences, University of South Carolina School of Medicine-Greenville, 701 Grove Rd., Greenville, SC 29605, USA; (M.F.C.); (E.L.C.)
- Department of Psychiatry & Behavioral Sciences, University of Louisville, 401 E Chestnut Str., #600, Louisville, KY 40202, USA
| | - Mohamed Shaban
- Department of Electrical and Computer Engineering, University of South Alabama, Mobile, AL 36688, USA;
| | - Mohammed Ghazal
- BioImaging Research Lab, Electrical and Computer Engineering Abu Dhabi University, Abu Dhabi 59911, UAE;
| | - Ayman S. El-Baz
- Department of Bioengineering, University of Louisville, Louisville, KY 40202, USA;
| | - Emily L. Casanova
- Department of Biomedical Sciences, University of South Carolina School of Medicine-Greenville, 701 Grove Rd., Greenville, SC 29605, USA; (M.F.C.); (E.L.C.)
| | - Ioan Opris
- School of Medicine, University of Miami, Miami, FL 33136, USA;
| | - Estate M. Sokhadze
- Department of Biomedical Sciences, University of South Carolina School of Medicine-Greenville, 701 Grove Rd., Greenville, SC 29605, USA; (M.F.C.); (E.L.C.)
- Department of Psychiatry & Behavioral Sciences, University of Louisville, 401 E Chestnut Str., #600, Louisville, KY 40202, USA
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Casanova MF, Sokhadze EM, Casanova EL, Opris I, Abujadi C, Marcolin MA, Li X. Translational Neuroscience in Autism: From Neuropathology to Transcranial Magnetic Stimulation Therapies. Psychiatr Clin North Am 2020; 43:229-248. [PMID: 32439019 PMCID: PMC7245584 DOI: 10.1016/j.psc.2020.02.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The presence of heterotopias, increased regional density of neurons at the gray-white matter junction, and focal cortical dysplasias all suggest an abnormality of neuronal migration in autism spectrum disorder (ASD). The abnormality is borne from a dissonance in timing between radial and tangentially migrating neuroblasts to the developing cortical plate. The uncoupling of excitatory and inhibitory cortical cells disturbs the coordinated interactions of neurons within local networks, thus providing abnormal patterns of brainwave activity in the gamma bandwidth. In ASD, gamma oscillation abnormalities and autonomic markers offer measures of therapeutic progress and help in the identification of subgroups.
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Affiliation(s)
- Manuel F Casanova
- Department of Pediatrics, Division of Developmental Behavioral Pediatrics, Greenville Health System, 200 Patewood Drive, Suite A200, Greenville, SC 29615, USA.
| | - Estate M Sokhadze
- University of South Carolina School of Medicine Greenville, 200 Patewood Drive, Greenville, SC 29615, USA
| | - Emily L Casanova
- University of South Carolina School of Medicine Greenville, 200 Patewood Drive, Greenville, SC 29615, USA. https://twitter.com/EmLyWill
| | - Ioan Opris
- University of Miami, Miller School of Medicine, Department Miami Project to Cure Paralysis, Miami, FL 33136, USA
| | - Caio Abujadi
- Department of Psychiatry, Faculty of Medicine, University of São Paulo, São Paulo, Brazil
| | - Marco Antonio Marcolin
- Department of Neurology, Faculty of Medicine, University of São Paulo, São Paulo, Brazil
| | - Xiaoli Li
- State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China
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11
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Significance of Beta-Band Oscillations in Autism Spectrum Disorders During Motor Response Inhibition Tasks: A MEG Study. Brain Topogr 2020; 33:355-374. [PMID: 32303950 PMCID: PMC7182638 DOI: 10.1007/s10548-020-00765-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 04/01/2020] [Indexed: 12/29/2022]
Abstract
In Autism Spectrum Disorders (ASD), impaired response inhibition and lack of adaptation are hypothesized to underlie core ASD symptoms, such as social communication and repetitive, stereotyped behavior. Thus, the aim of the present study was to compare neural correlates of inhibition, post-error adaptation, and reaction time variability in ASD and neuro-typical control (NTC) participants by investigating possible differences in error-related changes of oscillatory MEG activity. Twelve male NTC (mean age 20.3 ± 3.7) and fourteen male patients with ASD (mean age 17.8 ± 2.9) were included in the analysis. Subjects with ASD showed increased error-related reaction time variability. MEG analysis revealed decreased beta power in the ASD group in comparison to the NTC group over the centro-parietal channels in both, the pre-stimulus and post-response interval. In the ASD group, mean centro-parietal beta power negatively correlated with dimensional autism symptoms. In both groups, false alarms were followed by an early increase in temporo-frontal theta to alpha power; and by a later decrease in alpha to beta power at central and posterior sensors. Single trial correlations were additionally studied in the ASD group, who showed a positive correlation of pre-stimulus beta power with post-response theta, alpha, and beta power, particularly after hit trials. On a broader scale, the results deliver important insights into top-down control deficits that may relate to core symptoms observed in ASD.
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12
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Muir AM, Carbine KA, Goodwin J, Hedges-Muncy A, Endrass T, Larson MJ. Differentiating electrophysiological indices of internal and external performance monitoring: Relationship with perfectionism and locus of control. PLoS One 2019; 14:e0219883. [PMID: 31671107 PMCID: PMC6822767 DOI: 10.1371/journal.pone.0219883] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 10/13/2019] [Indexed: 01/13/2023] Open
Abstract
The impact of individual differences on performance monitoring and psychopathology is a question of active debate. Personality traits associated with psychopathology may be related to poor internal performance monitoring (as measured by the error-related negativity [ERN]) but intact external performance monitoring (as measured by the reward positivity [RewP]), suggesting that there are underlying neural differences between internal and external performance monitoring processes. We tested the relationships between individual difference measures of perfectionism, locus of control, and ERN, error-positivity (Pe), and RewP component difference amplitude in a healthy undergraduate sample. A total of 128 participants (69 female, M(SD)age = 20.6(2.0) years) completed two tasks: a modified version of the Eriksen Flanker and a doors gambling task along with the Frost Multidimensional Perfectionism scale, the Rotter Locus of Control scale, and the Levenson Multidimensional Locus of Control scale to quantify perfectionism and locus of control traits, respectively. Linear regressions adjusting for age and gender showed that neither ΔERN nor ΔRewP amplitude were significantly moderated by perfectionism or locus of control scores. Findings suggest that, in psychiatrically-healthy individuals, there is not a strong link between perfectionism, locus of control, and ERN or RewP amplitude. Future research on individual difference measures in people with psychopathology may provide further insight into how these personality traits affect performance monitoring.
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Affiliation(s)
- Alexandra M. Muir
- Department of Psychology, Brigham Young University, Provo, Utah, United States of America
| | - Kaylie A. Carbine
- Department of Psychology, Brigham Young University, Provo, Utah, United States of America
| | - Jayden Goodwin
- Department of Psychology, Brigham Young University, Provo, Utah, United States of America
| | - Ariana Hedges-Muncy
- Department of Psychology, Brigham Young University, Provo, Utah, United States of America
| | | | - Michael J. Larson
- Department of Psychology, Brigham Young University, Provo, Utah, United States of America
- Neuroscience Center, Brigham Young University, Provo, Utah, United States of America
- * E-mail:
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13
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Doenyas C, Mutluer T, Genç E, Balcı F. Error monitoring in decision-making and timing is disrupted in autism spectrum disorder. Autism Res 2018; 12:239-248. [PMID: 30485714 DOI: 10.1002/aur.2041] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 07/27/2018] [Accepted: 09/29/2018] [Indexed: 11/07/2022]
Abstract
Individuals with autism spectrum disorder (ASD) have difficulties in social interactions. The cognitive domains that support these interactions include perceptual decision-making, timing, and error-monitoring, which enable one to appropriately understand and react to the other individual in communicative settings. This study constitutes a comprehensive exploration of decision-making and interval timing in ASD as well as the first investigation of error-monitoring abilities of individuals with ASD regarding their performance in the corresponding domains. We found that children with ASD fared similar to typically developing (TD) children in their first-order task performance in two-alternative forced choice perceptual decision-making and temporal reproduction tasks as well as the secondary tasks (signal detection and free finger tapping tasks). Yet, they had a deficit in error-monitoring in both tasks where their accuracy did not predict their confidence ratings, which was the case for the TD group. The difference between ASD and TD groups was limited to error-monitoring performance. This study attests to a circumscribed impairment in error-monitoring in individuals with ASD, which may partially underlie their social interaction problems. This difficulty in cognitively evaluating one's own performance may also relate to theory of mind deficits reported for individuals with ASD, where they struggle in understanding the mental states and intentions of others. This novel finding holds the potential to inform effective interventions for individuals with ASD that can target this error-monitoring ability to have broad-ranging effects in multiple domains involved in communication and social interaction. Autism Res 2019, 12: 239-248 © 2018 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: Decision-making, timing, and error-monitoring are three of many abilities that underlie smooth social interactions. To date, these domains have been only investigated separately, but given their interactive role in social interactions that are impaired in ASD, we conducted the first study to investigate them together. Children with ASD were as successful as typically developing children in their task performances, but unlike them, were unaware of their errors in both decision-making and timing tasks. This deficit that is limited to error-monitoring can contribute to unraveling the unique cognitive signature of ASD and to formulating interventions with positive implications in multiple domains.
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Affiliation(s)
- Ceymi Doenyas
- Department of Psychology, Koç University, Istanbul, Turkey.,Koç University Research Center for Translational Medicine, Istanbul, Turkey
| | - Tuba Mutluer
- Department of Child and Adolescent Psychiatry, Koç University Hospital, Istanbul, Turkey
| | - Egemen Genç
- Department of Psychology, Koç University, Istanbul, Turkey
| | - Fuat Balcı
- Department of Psychology, Koç University, Istanbul, Turkey.,Koç University Research Center for Translational Medicine, Istanbul, Turkey
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Sokhadze EM, Lamina EV, Casanova EL, Kelly DP, Opris I, Tasman A, Casanova MF. Exploratory Study of rTMS Neuromodulation Effects on Electrocortical Functional Measures of Performance in an Oddball Test and Behavioral Symptoms in Autism. Front Syst Neurosci 2018; 12:20. [PMID: 29892214 PMCID: PMC5985329 DOI: 10.3389/fnsys.2018.00020] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Accepted: 05/02/2018] [Indexed: 12/17/2022] Open
Abstract
There is no accepted pathology to autism spectrum disorders (ASD) but research suggests the presence of an altered excitatory/inhibitory (E/I) bias in the cerebral cortex. Repetitive transcranial magnetic stimulation (rTMS) offers a non-invasive means of modulating the E/I cortical bias with little in terms of side effects. In this study, 124 high functioning ASD children (IQ > 80, <18 years of age) were recruited and assigned using randomization to either a waitlist group or one of three different number of weekly rTMS sessions (i.e., 6, 12, and 18). TMS consisted of trains of 1.0 Hz frequency pulses applied over the dorsolateral prefrontal cortex (DLPFC). The experimental task was a visual oddball with illusory Kanizsa figures. Behavioral response variables included reaction time and error rate along with such neurophysiological indices such as stimulus and response-locked event-related potentials (ERP). One hundred and twelve patients completed the assigned number of TMS sessions. Results showed significant changes from baseline to posttest period in the following measures: motor responses accuracy [lower percentage of committed errors, slower latency of commission errors and restored normative post-error reaction time slowing in both early and later-stage ERP indices, enhanced magnitude of error-related negativity (ERN), improved error monitoring and post-error correction functions]. In addition, screening surveys showed significant reductions in aberrant behavior ratings and in both repetitive and stereotypic behaviors. These differences increased with the total number of treatment sessions. Our results suggest that rTMS, particularly after 18 sessions, facilitates cognitive control, attention and target stimuli recognition by improving discrimination between task-relevant and task-irrelevant illusory figures in an oddball test. The noted improvement in executive functions of behavioral performance monitoring further suggests that TMS has the potential to target core features of ASD.
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Affiliation(s)
- Estate M. Sokhadze
- Department of Biomedical Sciences, School of Medicine Greenville, University of South Carolina, Greenville, SC, United States
- Department of Psychiatry and Behavioral Sciences, University of Louisville, Louisville, KY, United States
| | - Eva V. Lamina
- Department of Biomedical Sciences, School of Medicine Greenville, University of South Carolina, Greenville, SC, United States
| | - Emily L. Casanova
- Department of Biomedical Sciences, School of Medicine Greenville, University of South Carolina, Greenville, SC, United States
| | - Desmond P. Kelly
- Department of Biomedical Sciences, School of Medicine Greenville, University of South Carolina, Greenville, SC, United States
- Department of Pediatrics, Greenville Health System, Greenville, SC, United States
| | - Ioan Opris
- Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Allan Tasman
- Department of Psychiatry and Behavioral Sciences, University of Louisville, Louisville, KY, United States
| | - Manuel F. Casanova
- Department of Biomedical Sciences, School of Medicine Greenville, University of South Carolina, Greenville, SC, United States
- Department of Psychiatry and Behavioral Sciences, University of Louisville, Louisville, KY, United States
- Department of Pediatrics, Greenville Health System, Greenville, SC, United States
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15
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Kaufman EA, Crowell SE, Coleman J, Puzia ME, Gray DD, Strayer DL. Electroencephalographic and cardiovascular markers of vulnerability within families of suicidal adolescents: A pilot study. Biol Psychol 2018; 136:46-56. [PMID: 29782969 DOI: 10.1016/j.biopsycho.2018.05.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 03/28/2018] [Accepted: 05/16/2018] [Indexed: 12/18/2022]
Abstract
Suicide, self-injury, and predisposing vulnerabilities aggregate in families. Those at greatest risk often show deficits in two biologically-mediated domains: behavioral control and emotion regulation. This pilot study explored electroencephalographic and cardiovascular indices of self-regulation among typical and suicidal adolescents (n = 30/group) and biological family members (mothers, fathers, and siblings). We measured event-related potentials during a flanker task designed to evoke impulsive responding and respiratory sinus arrhythmia (RSA) at rest and during social rejection. Multilevel models indicate control families' RSA was unaffected by social rejection (slope = 0.136, p = .097, d = 0.09), whereas clinical families demonstrated RSA withdrawal (slope = -0.191, p = .036, d = -0.13). Clinical families displayed weaker positive voltage (Pe) deflections following behavioral errors relative to controls (coefficient = -2.723, p = .017, d = -0.45), indicating risk for compromised cognitive control. Thus, families with suicidal adolescents showed autonomic and central nervous system differences in biological markers associated with suicide risk.
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Affiliation(s)
- Erin A Kaufman
- Department of Psychology, University of Utah, United States.
| | - Sheila E Crowell
- Department of Psychology, University of Utah, United States; Department of Psychiatry, University of Utah, United States
| | - James Coleman
- Department of Psychology, University of Utah, United States
| | - Megan E Puzia
- Department of Psychology, University of Utah, United States
| | - Douglas D Gray
- Department of Psychiatry, University of Utah, United States; University Neuropsychiatric Institute, University of Utah, United States; Department of Pediatrics, University of Utah, United States
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16
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Sokhadze EM, Lamina EV, Casanova EL, Kelly DP, Opris I, Khachidze I, Casanova MF. Atypical Processing of Novel Distracters in a Visual Oddball Task in Autism Spectrum Disorder. Behav Sci (Basel) 2017; 7:bs7040079. [PMID: 29144422 PMCID: PMC5746688 DOI: 10.3390/bs7040079] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Revised: 11/10/2017] [Accepted: 11/14/2017] [Indexed: 12/17/2022] Open
Abstract
Several studies have shown that children with autism spectrum disorder (ASD) show abnormalities in P3b to targets in standard oddball tasks. The present study employed a three-stimulus visual oddball task with novel distracters that analyzed event-related potentials (ERP) to both target and non-target items at frontal and parietal sites. The task tested the hypothesis that children with autism are abnormally orienting attention to distracters probably due to impaired habituation to novelty. We predicted a lower selectivity in early ERPs to target, frequent non-target, and rare distracters. We also expected delayed late ERPs in autism. The study enrolled 32 ASD and 24 typically developing (TD) children. Reaction time (RT) and accuracy were analyzed as behavioral measures, while ERPs were recorded with a dense-array EEG system. Children with ASD showed higher error rate without normative post-error RT slowing and had lower error-related negativity. Parietal P1, frontal N1, as well as P3a and P3b components were higher to novels in ASD. Augmented exogenous ERPs suggest low selectivity in pre-processing of stimuli resulting in their excessive processing at later stages. The results suggest an impaired habituation to unattended stimuli that incurs a high load at the later stages of perceptual and cognitive processing and response selection when novel distracter stimuli are differentiated from targets.
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Affiliation(s)
- Estate M Sokhadze
- Department of Biomedical Sciences, University of South Carolina School of Medicine-Greenville, 200 Patewood Dr., Ste A200, Greenville, SC 29615, USA.
- Developmental Behavioral Unit, Department of Pediatrics, Children's Hospital, Greenville Health System, Greenville, SC 29615, USA.
| | - Eva V Lamina
- Department of Biomedical Sciences, University of South Carolina School of Medicine-Greenville, 200 Patewood Dr., Ste A200, Greenville, SC 29615, USA.
| | - Emily L Casanova
- Department of Biomedical Sciences, University of South Carolina School of Medicine-Greenville, 200 Patewood Dr., Ste A200, Greenville, SC 29615, USA.
- Developmental Behavioral Unit, Department of Pediatrics, Children's Hospital, Greenville Health System, Greenville, SC 29615, USA.
| | - Desmond P Kelly
- Department of Biomedical Sciences, University of South Carolina School of Medicine-Greenville, 200 Patewood Dr., Ste A200, Greenville, SC 29615, USA.
- Developmental Behavioral Unit, Department of Pediatrics, Children's Hospital, Greenville Health System, Greenville, SC 29615, USA.
| | - Ioan Opris
- School of Medicine, University of Miami, Miami, FL 33136, USA.
| | - Irma Khachidze
- Centre of Experimental Biomedicine, 14 Gotya str., Tbilisi 0160, Georgia.
| | - Manuel F Casanova
- Department of Biomedical Sciences, University of South Carolina School of Medicine-Greenville, 200 Patewood Dr., Ste A200, Greenville, SC 29615, USA.
- Developmental Behavioral Unit, Department of Pediatrics, Children's Hospital, Greenville Health System, Greenville, SC 29615, USA.
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Gillan CM, Fineberg NA, Robbins TW. A trans-diagnostic perspective on obsessive-compulsive disorder. Psychol Med 2017; 47:1528-1548. [PMID: 28343453 PMCID: PMC5964477 DOI: 10.1017/s0033291716002786] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 10/04/2016] [Accepted: 10/04/2016] [Indexed: 12/01/2022]
Abstract
Progress in understanding the underlying neurobiology of obsessive-compulsive disorder (OCD) has stalled in part because of the considerable problem of heterogeneity within this diagnostic category, and homogeneity across other putatively discrete, diagnostic categories. As psychiatry begins to recognize the shortcomings of a purely symptom-based psychiatric nosology, new data-driven approaches have begun to be utilized with the goal of solving these problems: specifically, identifying trans-diagnostic aspects of clinical phenomenology based on their association with neurobiological processes. In this review, we describe key methodological approaches to understanding OCD from this perspective and highlight the candidate traits that have already been identified as a result of these early endeavours. We discuss how important inferences can be made from pre-existing case-control studies as well as showcasing newer methods that rely on large general population datasets to refine and validate psychiatric phenotypes. As exemplars, we take 'compulsivity' and 'anxiety', putatively trans-diagnostic symptom dimensions that are linked to well-defined neurobiological mechanisms, goal-directed learning and error-related negativity, respectively. We argue that the identification of biologically valid, more homogeneous, dimensions such as these provides renewed optimism for identifying reliable genetic contributions to OCD and other disorders, improving animal models and critically, provides a path towards a future of more targeted psychiatric treatments.
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Affiliation(s)
- C. M. Gillan
- Department of Psychology,
New York University, New York, NY,
USA
- Department of Psychology,
University of Cambridge, Cambridge,
UK
- Behavioural and Clinical Neuroscience Institute,
University of Cambridge, Cambridge,
UK
| | - N. A. Fineberg
- National Obsessive Compulsive Disorders Specialist
Service, Hertfordshire Partnership NHS University Foundation
Trust, UK
- Department of Postgraduate Medicine,
University of Hertfordshire, Hatfield,
UK
| | - T. W. Robbins
- Department of Psychology,
University of Cambridge, Cambridge,
UK
- Behavioural and Clinical Neuroscience Institute,
University of Cambridge, Cambridge,
UK
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18
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Nitta E, Onoda K, Ishitobi F, Okazaki R, Mishima S, Nagai A, Yamaguchi S. Enhanced Feedback-Related Negativity in Alzheimer's Disease. Front Hum Neurosci 2017; 11:179. [PMID: 28503138 PMCID: PMC5408015 DOI: 10.3389/fnhum.2017.00179] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 03/27/2017] [Indexed: 01/08/2023] Open
Abstract
Alzheimer’s disease (AD), the most common cause of dementia in the elderly, results in the impairment of executive function, including that of performance monitoring. Feedback-related negativity (FRN) is an electrophysiological measure reflecting the activity of this monitoring system via feedback signals, and is generated from the anterior cingulate cortex. However, there have been no reports on FRN in AD. Based on prior aging studies, we hypothesized that FRN would decrease in AD patients. To assess this, FRN was measured in healthy individuals and those with AD during a simple gambling task involving positive and negative feedback stimuli. Contrary to our hypothesis, FRN amplitude increased in AD patients, compared with the healthy elderly. We speculate that this may reflect the existence of a compensatory mechanism against the decline in executive function. Also, there was a significant association between FRN amplitude and depression scores in AD, and the FRN amplitude tended to increase insomuch as the Self-rating Depression Scale (SDS) was higher. This result suggests the existence of a negative bias in the affective state in AD. Thus, the impaired functioning monitoring system in AD is a more complex phenomenon than we thought.
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Affiliation(s)
- Eri Nitta
- Central Clinical Laboratory, Shimane University HospitalIzumo, Japan
| | - Keiichi Onoda
- Department of Neurology, Shimane University Faculty of MedicineIzumo, Japan
| | - Fuminori Ishitobi
- Central Clinical Laboratory, Shimane University HospitalIzumo, Japan
| | - Ryota Okazaki
- Central Clinical Laboratory, Shimane University HospitalIzumo, Japan
| | - Seiji Mishima
- Central Clinical Laboratory, Shimane University HospitalIzumo, Japan
| | - Atsushi Nagai
- Central Clinical Laboratory, Shimane University HospitalIzumo, Japan
| | - Shuhei Yamaguchi
- Department of Neurology, Shimane University Faculty of MedicineIzumo, Japan
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19
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Constable PA, Ring M, Gaigg SB, Bowler DM. Problem-solving styles in autism spectrum disorder and the development of higher cognitive functions. AUTISM : THE INTERNATIONAL JOURNAL OF RESEARCH AND PRACTICE 2017; 22:597-608. [PMID: 28482683 DOI: 10.1177/1362361317691044] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The Vygotsky Blocks Test assesses problem-solving styles within a theoretical framework for the development of higher mental processes devised by Vygotsky. Because both the theory and the associated test situate cognitive development within the child's social and linguistic context, they address conceptual issues around the developmental relation between language and thought that are pertinent to development in autism. Our aim was to document the performance of adults with autism spectrum disorder on the Vygotsky Blocks Test, and our results showed that they made more errors than the typically developing participants and that these errors correlated with performance IQ. The autism spectrum disorder group also required more cues than the typically developing group to discern the conceptual structure of the blocks, a pattern that correlated with Autism Diagnostic Observational Schedule-Communication and Imagination/Creativity sub-scales. When asked to categorize the blocks in new ways, the autism spectrum disorder participants developed fewer principles on which to base new categorizations, which in contrast to the typically developing group correlated with verbal IQ and with the Imagination/Creativity sub-scale of the ADOS. These results are in line with a number of existing findings in the autism spectrum disorder literature and confirm that conceptualization in autism spectrum disorder seems to rely more on non-verbal and less on imaginative processes than in typically developing individuals. The findings represent first steps to the possibility of outlining a testable account of psychological development in autism spectrum disorder that integrates verbal, non-verbal and social factors into the transition from elementary to higher level processes.
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20
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Clawson A, South M, Baldwin SA, Larson MJ. Electrophysiological Endophenotypes and the Error-Related Negativity (ERN) in Autism Spectrum Disorder: A Family Study. J Autism Dev Disord 2017; 47:1436-1452. [DOI: 10.1007/s10803-017-3066-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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21
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Suzuki K, Kita Y, Sakihara K, Hirata S, Sakuma R, Okuzumi H, Inagaki M. Uniqueness of action monitoring in children with autism spectrum disorder: Response types and temporal aspects. J Clin Exp Neuropsychol 2016; 39:803-816. [PMID: 27998199 DOI: 10.1080/13803395.2016.1266308] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
BACKGROUND Action monitoring, the process for evaluating the appropriateness of one's own actions, is reported to be atypical in individuals with autism spectrum disorder (ASD). METHOD We examined the characteristics of action monitoring in 11 children with ASD and 12 children with typical development (TD), analyzing stimulus-locked and response-locked event-related potential components (i.e., N2; error-related negativity, ERN; and error positivity, Pe) related to execution of a flanker task. RESULTS We found a smaller N2 amplitude in children with ASD than in those with TD. Children with ASD also had a larger amplitude of ERN for partial error responses (electromyographic activity corresponding to the inappropriate hand side before response execution) than did children with TD. Additionally, the ERN amplitude for the partial error response was correlated with the Autistic Mannerisms of the Social Responsiveness Scale. There were no significant differences in Pe amplitudes between children with ASD and those with TD. CONCLUSION The results suggest that action monitoring in children with ASD is significantly different both before and after response execution. We hypothesized that the detail-focused processing style of ASD reduces the demands of action monitoring before response execution; however, autistic mannerisms evoke excessive concern regarding trivial mistakes after response execution.
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Affiliation(s)
- Kota Suzuki
- a Department of Developmental Disorders , National Institute of Mental Health, National Center of Neurology and Psychiatry (NCNP) , Tokyo , Japan
| | - Yosuke Kita
- a Department of Developmental Disorders , National Institute of Mental Health, National Center of Neurology and Psychiatry (NCNP) , Tokyo , Japan
| | - Kotoe Sakihara
- a Department of Developmental Disorders , National Institute of Mental Health, National Center of Neurology and Psychiatry (NCNP) , Tokyo , Japan.,b Department of Clinical Laboratory Science, Faculty of Medical Technology , Teikyo University , Tokyo , Japan
| | - Shogo Hirata
- c Department of Elementary Education , Ibaraki Christian University , Ibaraki , Japan
| | - Ryusuke Sakuma
- a Department of Developmental Disorders , National Institute of Mental Health, National Center of Neurology and Psychiatry (NCNP) , Tokyo , Japan.,d Graduate School of Liberal Arts , Shirayuri College , Tokyo , Japan
| | - Hideyuki Okuzumi
- e Department of Special Needs Education , Faculty of Education, Tokyo Gakugei University , Tokyo , Japan
| | - Masumi Inagaki
- a Department of Developmental Disorders , National Institute of Mental Health, National Center of Neurology and Psychiatry (NCNP) , Tokyo , Japan
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22
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Keehn B, Joseph RM. Exploring What's Missing: What Do Target Absent Trials Reveal About Autism Search Superiority? J Autism Dev Disord 2016; 46:1686-98. [PMID: 26762114 DOI: 10.1007/s10803-016-2700-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
We used eye-tracking to investigate the roles of enhanced discrimination and peripheral selection in superior visual search in autism spectrum disorder (ASD). Children with ASD were faster at visual search than their typically developing peers. However, group differences in performance and eye-movements did not vary with the level of difficulty of discrimination or selection. Rather, consistent with prior ASD research, group differences were mainly the effect of faster performance on target-absent trials. Eye-tracking revealed a lack of left-visual-field search asymmetry in ASD, which may confer an additional advantage when the target is absent. Lastly, ASD symptomatology was positively associated with search superiority, the mechanisms of which may shed light on the atypical brain organization that underlies social-communicative impairment in ASD.
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Affiliation(s)
- Brandon Keehn
- Department of Speech, Language, and Hearing Sciences, Purdue University, 715 Clinic Drive, Lyles-Porter Hall, West Lafayette, IN, 47907, USA.
- Department of Psychological Sciences, Purdue University, West Lafayette, IN, USA.
| | - Robert M Joseph
- Department of Anatomy and Neurobiology, Boston University School of Medicine, Boston, MA, USA
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23
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Faja S, Clarkson T, Webb SJ. Neural and behavioral suppression of interfering flankers by children with and without autism spectrum disorder. Neuropsychologia 2016; 93:251-261. [PMID: 27825750 PMCID: PMC5154614 DOI: 10.1016/j.neuropsychologia.2016.10.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 09/03/2016] [Accepted: 10/31/2016] [Indexed: 10/20/2022]
Abstract
Electrophysiological responses, accuracy and reaction time were recorded while 7-11-year-olds with typical development (TYP; N=30) and autism spectrum disorder (ASD; N=19) inhibited conflicting information. Relative to the TYP group, children with ASD had larger decrements in accuracy for incongruent trials and were slower. In terms of neural responses, N2 mean amplitude was greater overall for children with ASD relative to TYP children. N2 neural responses related to a behavioral measure of inhibition and cognitive flexibility for TYP children, whereas it related to suppression of interfering information and maintenance of accurate responding for the children with ASD. Results suggest children with ASD recruit more neural resources and perform worse when inhibiting conflicting information relative to TYP peers.
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Affiliation(s)
- Susan Faja
- Boston Children's Hospital, Laboratories of Cognitive Neuroscience, 1 Autumn Street, Boston, MA, 02215, USA; Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA.
| | - Tessa Clarkson
- Boston Children's Hospital, Laboratories of Cognitive Neuroscience, 1 Autumn Street, Boston, MA, 02215, USA
| | - Sara Jane Webb
- University of Washington Department of Psychiatry and Behavioral Sciences, 1959 NE Pacific Street, Box 356560, Seattle, WA 98195, USA; Seattle Children's Research Institute, 1900 99thth Ave, Seattle, WA 98101, USA
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Alterations in the functional neural circuitry supporting flexible choice behavior in autism spectrum disorders. Transl Psychiatry 2016; 6:e916. [PMID: 27727243 PMCID: PMC5315543 DOI: 10.1038/tp.2016.161] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2015] [Revised: 06/15/2016] [Accepted: 07/19/2016] [Indexed: 11/08/2022] Open
Abstract
Restricted and repetitive behaviors, and a pronounced preference for behavioral and environmental consistency, are distinctive characteristics of autism spectrum disorder (ASD). Alterations in frontostriatal circuitry that supports flexible behavior might underlie this behavioral impairment. In an functional magnetic resonance imaging study of 17 individuals with ASD, and 23 age-, gender- and IQ-matched typically developing control participants, reversal learning tasks were used to assess behavioral flexibility as participants switched from one learned response choice to a different response choice when task contingencies changed. When choice outcome after reversal was uncertain, the ASD group demonstrated reduced activation in both frontal cortex and ventral striatum, in the absence of task performance differences. When the outcomes of novel responses were certain, there was no difference in brain activation between groups. Reduced activation in frontal cortex and ventral striatum suggest problems in decision-making and response planning, and in processing reinforcement cues, respectively. These processes, and their integration, are essential for flexible behavior. Alterations in these systems may therefore contribute to a rigid adherence to preferred behavioral patterns in individuals with an ASD. These findings provide an additional impetus for the use of reversal learning paradigms as a translational model for treatment development targeting the domain of restricted and repetitive behaviors in ASD.
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Hüpen P, Groen Y, Gaastra GF, Tucha L, Tucha O. Performance monitoring in autism spectrum disorders: A systematic literature review of event-related potential studies. Int J Psychophysiol 2016; 102:33-46. [DOI: 10.1016/j.ijpsycho.2016.03.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 03/09/2016] [Accepted: 03/10/2016] [Indexed: 01/07/2023]
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Casanova MF, Sokhadze E, Opris I, Wang Y, Li X. Autism spectrum disorders: linking neuropathological findings to treatment with transcranial magnetic stimulation. Acta Paediatr 2015; 104:346-55. [PMID: 25626149 DOI: 10.1111/apa.12943] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 01/15/2015] [Accepted: 01/20/2015] [Indexed: 01/09/2023]
Abstract
UNLABELLED Postmortem studies in autism spectrum disorder (ASD) individuals indicate the presence of abnormalities within the peripheral neuropil space (PNS) of cortical minicolumns. The geometrical orientation of inhibitory elements within the PNS suggests using repetitive transcranial magnetic stimulation (rTMS) to up-regulate their activity. Several rTMS trials in ASD have shown marked improvements in motor symptomatology, attention and perceptual binding. CONCLUSION rTMS is the first therapeutic attempt at ASD aimed at correcting some of its core pathology.
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Affiliation(s)
| | - Estate Sokhadze
- Department of Psychiatry; University of Louisville; Louisville KA USA
| | - Ioan Opris
- Department of Physiology and Pharmacology; Wake Forest University School of Medicine; Winston-Salem NA USA
| | - Yao Wang
- Department of Psychiatry; University of Louisville; Louisville KA USA
- State Key Laboratory of Cognitive Neuroscience and Learning; Beijing Normal University; Beijing China
| | - Xiaoli Li
- State Key Laboratory of Cognitive Neuroscience and Learning; Beijing Normal University; Beijing China
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Soshi T, Ando K, Noda T, Nakazawa K, Tsumura H, Okada T. Post-error action control is neurobehaviorally modulated under conditions of constant speeded response. Front Hum Neurosci 2015; 8:1072. [PMID: 25674058 PMCID: PMC4306303 DOI: 10.3389/fnhum.2014.01072] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Accepted: 12/24/2014] [Indexed: 01/21/2023] Open
Abstract
Post-error slowing (PES) is an error recovery strategy that contributes to action control, and occurs after errors in order to prevent future behavioral flaws. Error recovery often malfunctions in clinical populations, but the relationship between behavioral traits and recovery from error is unclear in healthy populations. The present study investigated the relationship between impulsivity and error recovery by simulating a speeded response situation using a Go/No-go paradigm that forced the participants to constantly make accelerated responses prior to stimuli disappearance (stimulus duration: 250 ms). Neural correlates of post-error processing were examined using event-related potentials (ERPs). Impulsivity traits were measured with self-report questionnaires (BIS-11, BIS/BAS). Behavioral results demonstrated that the commission error for No-go trials was 15%, but PES did not take place immediately. Delayed PES was negatively correlated with error rates and impulsivity traits, showing that response slowing was associated with reduced error rates and changed with impulsivity. Response-locked error ERPs were clearly observed for the error trials. Contrary to previous studies, error ERPs were not significantly related to PES. Stimulus-locked N2 was negatively correlated with PES and positively correlated with impulsivity traits at the second post-error Go trial: larger N2 activity was associated with greater PES and less impulsivity. In summary, under constant speeded conditions, error monitoring was dissociated from post-error action control, and PES did not occur quickly. Furthermore, PES and its neural correlate (N2) were modulated by impulsivity traits. These findings suggest that there may be clinical and practical efficacy of maintaining cognitive control of actions during error recovery under common daily environments that frequently evoke impulsive behaviors.
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Affiliation(s)
- Takahiro Soshi
- Department of Forensic Psychiatry, National Institute of Mental Health, National Center of Neurology and Psychiatry Kodairo, Japan
| | - Kumiko Ando
- Department of Forensic Psychiatry, National Institute of Mental Health, National Center of Neurology and Psychiatry Kodairo, Japan
| | - Takamasa Noda
- Department of Psychiatry, National Center of Neurology and Psychiatry Kodairo, Japan
| | - Kanako Nakazawa
- Department of Forensic Psychiatry, National Institute of Mental Health, National Center of Neurology and Psychiatry Kodairo, Japan ; Department of Psychiatry, National Center of Neurology and Psychiatry Kodairo, Japan
| | - Hideki Tsumura
- Department of Forensic Psychiatry, National Institute of Mental Health, National Center of Neurology and Psychiatry Kodairo, Japan
| | - Takayuki Okada
- Department of Forensic Psychiatry, National Institute of Mental Health, National Center of Neurology and Psychiatry Kodairo, Japan
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Zhang L, Duan H, Qin S, Yuan Y, Buchanan TW, Zhang K, Wu J. High cortisol awakening response is associated with impaired error monitoring and decreased post-error adjustment. Stress 2015; 18:561-8. [PMID: 26181101 DOI: 10.3109/10253890.2015.1058356] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The cortisol awakening response (CAR), a rapid increase in cortisol levels following morning awakening, is an important aspect of hypothalamic-pituitary-adrenocortical axis activity. Alterations in the CAR have been linked to a variety of mental disorders and cognitive function. However, little is known regarding the relationship between the CAR and error processing, a phenomenon that is vital for cognitive control and behavioral adaptation. Using high-temporal resolution measures of event-related potentials (ERPs) combined with behavioral assessment of error processing, we investigated whether and how the CAR is associated with two key components of error processing: error detection and subsequent behavioral adjustment. Sixty university students performed a Go/No-go task while their ERPs were recorded. Saliva samples were collected at 0, 15, 30 and 60 min after awakening on the two consecutive days following ERP data collection. The results showed that a higher CAR was associated with slowed latency of the error-related negativity (ERN) and a higher post-error miss rate. The CAR was not associated with other behavioral measures such as the false alarm rate and the post-correct miss rate. These findings suggest that high CAR is a biological factor linked to impairments of multiple steps of error processing in healthy populations, specifically, the automatic detection of error and post-error behavioral adjustment. A common underlying neural mechanism of physiological and cognitive control may be crucial for engaging in both CAR and error processing.
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Affiliation(s)
- Liang Zhang
- a Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences , Beijing , People's Republic of China
| | - Hongxia Duan
- a Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences , Beijing , People's Republic of China
- b University of Chinese Academy of Sciences , Beijing , People's Republic of China
| | - Shaozheng Qin
- c State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University , Beijing , People's Republic of China
- d Center for Collaboration and Innovation in Brain and Learning Sciences, Beijing Normal University , Beijing , People's Republic of China , and
| | - Yiran Yuan
- a Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences , Beijing , People's Republic of China
- b University of Chinese Academy of Sciences , Beijing , People's Republic of China
| | - Tony W Buchanan
- e Department of Psychology , Saint Louis University , St. Louis, MO , USA
| | - Kan Zhang
- a Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences , Beijing , People's Republic of China
| | - Jianhui Wu
- a Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences , Beijing , People's Republic of China
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Chmielewski WX, Beste C. Action control processes in autism spectrum disorder – Insights from a neurobiological and neuroanatomical perspective. Prog Neurobiol 2015; 124:49-83. [DOI: 10.1016/j.pneurobio.2014.11.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Revised: 11/03/2014] [Accepted: 11/06/2014] [Indexed: 12/22/2022]
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Sokhadze EM, El-Baz AS, Tasman A, Sears LL, Wang Y, Lamina EV, Casanova MF. Neuromodulation integrating rTMS and neurofeedback for the treatment of autism spectrum disorder: an exploratory study. Appl Psychophysiol Biofeedback 2014; 39:237-57. [PMID: 25267414 PMCID: PMC4221494 DOI: 10.1007/s10484-014-9264-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Autism spectrum disorder (ASD) is a pervasive developmental disorder characterized by deficits in social interaction, language, stereotyped behaviors, and restricted range of interests. In previous studies low frequency repetitive transcranial magnetic stimulation (rTMS) has been used, with positive behavioral and electrophysiological results, for the experimental treatment in ASD. In this study we combined prefrontal rTMS sessions with electroencephalographic (EEG) neurofeedback (NFB) to prolong and reinforce TMS-induced EEG changes. The pilot trial recruited 42 children with ASD (~14.5 years). Outcome measures included behavioral evaluations and reaction time test with event-related potential (ERP) recording. For the main goal of this exploratory study we used rTMS-neurofeedback combination (TMS-NFB, N = 20) and waitlist (WTL, N = 22) groups to examine effects of 18 sessions of integrated rTMS-NFB treatment or wait period) on behavioral responses, stimulus and response-locked ERPs, and other functional and clinical outcomes. The underlying hypothesis was that combined TMS-NFB will improve executive functions in autistic patients as compared to the WTL group. Behavioral and ERP outcomes were collected in pre- and post-treatment tests in both groups. Results of the study supported our hypothesis by demonstration of positive effects of combined TMS-NFB neurotherapy in active treatment group as compared to control WTL group, as the TMS-NFB group showed significant improvements in behavioral and functional outcomes as compared to the WTL group.
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Affiliation(s)
- Estate M Sokhadze
- University of Louisville, 401 E Chestnut Street, Suite 600, Louisville, KY, 40202, USA,
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Casanova MF, Hensley MK, Sokhadze EM, El-Baz AS, Wang Y, Li X, Sears L. Effects of weekly low-frequency rTMS on autonomic measures in children with autism spectrum disorder. Front Hum Neurosci 2014; 8:851. [PMID: 25374530 PMCID: PMC4204613 DOI: 10.3389/fnhum.2014.00851] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 10/03/2014] [Indexed: 01/07/2023] Open
Abstract
The term autism spectrum disorder (ASD) describes a range of conditions characterized by impairments in social interactions, communication, and by restricted and repetitive behaviors. Autism spectrum disorder may also present with symptoms suggestive of autonomic nervous system (ANS) dysfunction. The objective of this study was to determine the effect of 18 sessions of low frequency (LF) repetitive transcranial magnetic stimulation (rTMS) on autonomic function in children with ASD by recording electrocardiogram (ECG) and electrodermal activity (EDA) pre- post- and during each rTMS session. The autonomic measures of interest in this study were R-R cardiointervals in EKG (R-R), time and frequency domain measures of heart rate variability (HRV) and skin conductance level (SCL). Heart rate variability measures such as R-R intervals, standard deviation of cardiac intervals, pNN50 (percentage of cardiointervals >50 ms different from preceding interval), power of high frequency (HF) and LF components of HRV spectrum, LF/HF ratio, were then derived from the recorded EKG. We expected that the course of 18 weekly inhibitory LF rTMS applied to the dorsolateral prefrontal cortex (DLPFC) would enhance autonomic balance by facilitating frontal inhibition of limbic activity thus resulting in decreased overall heart rate (HR), increased HRV (in a form of increased HF power), decreased LF power (resulting in decreased LF/HF ratio), and decreased SCL. Behavioral evaluations post-18 TMS showed decreased irritability, hyperactivity, stereotype behavior and compulsive behavior ratings while autonomic measures indicated a significant increase in cardiac interval variability and a decrease of tonic SCL. The results suggest that 18 sessions of LF rTMS in ASD results in increased cardiac vagal control and reduced sympathetic arousal.
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Affiliation(s)
- Manuel Fernando Casanova
- Department of Psychiatry and Behavioral Sciences, University of Louisville Louisville, KY, USA ; Department of Bioengineering, University of Louisville Louisville, KY, USA
| | - Marie K Hensley
- Department of Bioengineering, University of Louisville Louisville, KY, USA
| | - Estate M Sokhadze
- Department of Psychiatry and Behavioral Sciences, University of Louisville Louisville, KY, USA ; Department of Bioengineering, University of Louisville Louisville, KY, USA
| | - Ayman S El-Baz
- Department of Psychiatry and Behavioral Sciences, University of Louisville Louisville, KY, USA ; Department of Bioengineering, University of Louisville Louisville, KY, USA
| | - Yao Wang
- Department of Psychiatry and Behavioral Sciences, University of Louisville Louisville, KY, USA ; College of Brain and Cognitive Neurosciences, Bejing Normal University Bejing, China
| | - Xiaoli Li
- College of Brain and Cognitive Neurosciences, Bejing Normal University Bejing, China
| | - Lonnie Sears
- Department of Pediatrics, University of Louisville Louisville, KY, USA
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Larson MJ, Clayson PE, Clawson A. Making sense of all the conflict: A theoretical review and critique of conflict-related ERPs. Int J Psychophysiol 2014; 93:283-97. [DOI: 10.1016/j.ijpsycho.2014.06.007] [Citation(s) in RCA: 253] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2013] [Revised: 06/06/2014] [Accepted: 06/10/2014] [Indexed: 01/06/2023]
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Sokhadze EM, El-Baz AS, Sears LL, Opris I, Casanova MF. rTMS neuromodulation improves electrocortical functional measures of information processing and behavioral responses in autism. Front Syst Neurosci 2014; 8:134. [PMID: 25147508 PMCID: PMC4123734 DOI: 10.3389/fnsys.2014.00134] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2014] [Accepted: 07/09/2014] [Indexed: 11/13/2022] Open
Abstract
Objectives: Reports in autism spectrum disorders (ASD) of a minicolumnopathy with consequent deficits of lateral inhibition help explain observed behavioral and executive dysfunctions. We propose that neuromodulation based on low frequency repetitive Transcranial Magnetic Stimulation (rTMS) will enhance lateral inhibition through activation of inhibitory double bouquet interneurons and will be accompanied by improvements in the prefrontal executive functions. In addition we proposed that rTMS will improve cortical excitation/inhibition ratio and result in changes manifested in event-related potential (ERP) recorded during cognitive tests. Materials and Methods: Along with traditional clinical behavioral evaluations the current study used ERPs in a visual oddball task with illusory figures. We compared clinical, behavioral and electrocortical outcomes in two groups of children with autism (TMS, wait-list group). We predicted that 18 session long course in autistic patients will have better behavioral and ERP outcomes as compared to age- and IQ-matched WTL group. We used 18 sessions of 1 Hz rTMS applied over the dorso-lateral prefrontal cortex in 27 individuals with ASD diagnosis. The WTL group was comprised of 27 age-matched subjects with ASD tested twice. Both TMS and WTL groups were assessed at the baseline and after completion of 18 weekly sessions of rTMS (or wait period) using clinical behavioral questionnaires and during performance on visual oddball task with Kanizsa illusory figures. Results: Post-TMS evaluations showed decreased irritability and hyperactivity on the Aberrant Behavior Checklist (ABC), and decreased stereotypic behaviors on the Repetitive Behavior Scale (RBS-R). Following rTMS course we found decreased amplitude and prolonged latency in the frontal and fronto-central N100, N200 and P300 (P3a) ERPs to non-targets in active TMS treatment group. TMS resulted in increase of P2d (P2a to targets minus P2a to non-targets) amplitude. These ERP changes along with increased centro-parietal P100 and P300 (P3b) to targets are indicative of more efficient processing of information post-TMS treatment. Another important finding was decrease of the latency and increase of negativity of error-related negativity (ERN) during commission errors that may reflect improvement in error monitoring and correction function. Enhanced information processing was also manifested in lower error rate. In addition we calculated normative post-error treaction time (RT) slowing response in both groups and found that rTMS treatment was accompanied by post-error RT slowing and higher accuracy of responses, whereas the WTL group kept on showing typical for ASD post-error RT speeding and higher commission and omission error rates. Conclusion: Results from our study indicate that rTMS improves executive functioning in ASD as evidenced by normalization of ERP responses and behavioral reactions (RT, accuracy) during executive function test, and also by improvements in clinical evaluations.
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Affiliation(s)
- Estate M Sokhadze
- Department of Psychiatry and Behavioral Sciences, University of Louisville Louisville, KY, USA
| | - Ayman S El-Baz
- Department of Bioengineering, University of Louisville Louisville, KY, USA
| | - Lonnie L Sears
- Department of Pediatrics, University of Louisville Louisville, KY, USA
| | - Ioan Opris
- Department of Physiology and Pharmacology, Wake Forest University Winston-Salem, NC, USA
| | - Manuel F Casanova
- Department of Psychiatry and Behavioral Sciences, University of Louisville Louisville, KY, USA
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McMahon CM, Henderson HA. Error-monitoring in response to social stimuli in individuals with higher-functioning Autism Spectrum Disorder. Dev Sci 2014; 18:389-403. [PMID: 25066088 DOI: 10.1111/desc.12220] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Accepted: 06/03/2014] [Indexed: 12/19/2022]
Abstract
Error-monitoring, or the ability to recognize one's mistakes and implement behavioral changes to prevent further mistakes, may be impaired in individuals with Autism Spectrum Disorder (ASD). Children and adolescents (ages 9-19) with ASD (n = 42) and typical development (n = 42) completed two face processing tasks that required discrimination of either the gender or affect of standardized face stimuli. Post-error slowing and the difference in Error-Related Negativity amplitude between correct and incorrect responses (ERNdiff ) were used to index error-monitoring ability. Overall, ERNdiff increased with age. On the Gender Task, individuals with ASD had a smaller ERNdiff than individuals with typical development; however, on the Affect Task, there were no significant diagnostic group differences on ERNdiff . Individuals with ASD may have ERN amplitudes similar to those observed in individuals with typical development in more social contexts compared to less social contexts due to greater consequences for errors, more effortful processing, and/or reduced processing efficiency in these contexts. Across all participants, more post-error slowing on the Affect Task was associated with better social cognitive skills.
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Opris I, Casanova MF. Prefrontal cortical minicolumn: from executive control to disrupted cognitive processing. ACTA ACUST UNITED AC 2014; 137:1863-75. [PMID: 24531625 DOI: 10.1093/brain/awt359] [Citation(s) in RCA: 87] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The prefrontal cortex of the primate brain has a modular architecture based on the aggregation of neurons in minicolumnar arrangements having afferent and efferent connections distributed across many brain regions to represent, select and/or maintain behavioural goals and executive commands. Prefrontal cortical microcircuits are assumed to play a key role in the perception to action cycle that integrates relevant information about environment, and then selects and enacts behavioural responses. Thus, neurons within the interlaminar microcircuits participate in various functional states requiring the integration of signals across cortical layers and the selection of executive variables. Recent research suggests that executive abilities emerge from cortico-cortical interactions between interlaminar prefrontal cortical microcircuits, whereas their disruption is involved in a broad spectrum of neurologic and psychiatric disorders such as autism, schizophrenia, Alzheimer's and drug addiction. The focus of this review is on the structural, functional and pathological approaches involving cortical minicolumns. Based on recent technological progress it has been demonstrated that microstimulation of infragranular cortical layers with patterns of microcurrents derived from supragranular layers led to an increase in cognitive performance. This suggests that interlaminar prefrontal cortical microcircuits are playing a causal role in improving cognitive performance. An important reason for the new interest in cortical modularity comes from both the impressive progress in understanding anatomical, physiological and pathological facets of cortical microcircuits and the promise of neural prosthetics for patients with neurological and psychiatric disorders.
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Affiliation(s)
- Ioan Opris
- 1 Department of Physiology and Pharmacology, Wake Forest University Health Sciences, Winston-Salem, NC, USA
| | - Manuel F Casanova
- 2 Department of Psychiatry and Behavioural Sciences, University of Louisville, Louisville, KY, USA
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Clawson A, Clayson PE, Worsham W, Johnston O, South M, Larson MJ. How about watching others? Observation of error-related feedback by others in autism spectrum disorders. Int J Psychophysiol 2014; 92:S0167-8760(14)00038-5. [PMID: 24491851 DOI: 10.1016/j.ijpsycho.2014.01.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Revised: 01/16/2014] [Accepted: 01/24/2014] [Indexed: 01/21/2023]
Abstract
Research indicates that individuals with autism spectrum disorders (ASD) may have a reduced ability to utilize performance feedback to regulate their behavior; however, it is unclear to what degree alterations in the environmental context affect feedback processing and contribute to the symptoms of ASD. We utilized the observational FRN (oFRN), an event-related potential (ERP) component that putatively indexes feedback processing while observing feedback directed toward another person, to examine the influence of motivational and social demands on feedback processing in ASD. High-density electroencephalogram recordings were collected from 38 youth with ASD and 31 control participants similar on age and IQ while they observed a confederate performing a modified Eriksen Flanker task. Participants were instructed to count the confederate's errors and were told that they would be awarded based on performance: the confederate would either earn points for the participant or herself. Both groups showed robust oFRN activity on traditional scalp-electrode waveforms and waveforms identified using temporospatial principal components analysis. Amplitude of oFRN did not differentiate groups. Results remained non-significant when comparing medicated to non-medicated participants. There were no significant correlations between oFRN amplitudes, autism symptom severity, and anxiety symptoms. Findings suggest that the social context of the task and motivational significance of the confederate's performance did not limit feedback processing in ASD. Future research in which the context is manipulated further is warranted to determine whether increased environmental complexity influences feedback processing in ASD.
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Affiliation(s)
- Ann Clawson
- Brigham Young University, Department of Psychology, Provo, UT, USA
| | - Peter E Clayson
- University of California-Los Angeles, Department of Psychology, Los Angeles, CA, USA
| | - Whitney Worsham
- Brigham Young University, Department of Psychology, Provo, UT, USA
| | - Oliver Johnston
- Brigham Young University, Marriott School of Management, Provo, UT, USA
| | - Mikle South
- Brigham Young University, Department of Psychology, Provo, UT, USA; Brigham Young University, Neuroscience Center, Provo, UT, USA
| | - Michael J Larson
- Brigham Young University, Department of Psychology, Provo, UT, USA; Brigham Young University, Neuroscience Center, Provo, UT, USA.
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Abstract
Error awareness or detection is the conscious and subconscious processing to evaluate physiological signals that are different from a baseline or homeostatic level. Migraine is a unique neurological disorder in which there are repeated attacks interspersed by attack-free periods. These attacks are dynamic and multidimensional in the sense that sensory, affective, autonomic, and cognitive functions are altered and these changes evolve differently before (pre-ictal), during (ictal), and immediately after (post-ictal) an attack. Thus migraine serves as a model disease to understand how the brain monitors and react to the presence of errors.
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Affiliation(s)
- David Borsook
- Center for Pain and the Brain and PAIN Group (Boston Children's Hospital, Massachusetts General Hospital, and McLean Hospital), Harvard Medical School, Boston, MA, USA
| | - Christopher M Aasted
- Center for Pain and the Brain and PAIN Group (Boston Children's Hospital, Massachusetts General Hospital, and McLean Hospital), Harvard Medical School, Boston, MA, USA
| | - Rami Burstein
- Beth Israel Deaconess Hospital, Harvard Medical School, Boston, MA, USA
| | - Lino Becerra
- Center for Pain and the Brain and PAIN Group (Boston Children's Hospital, Massachusetts General Hospital, and McLean Hospital), Harvard Medical School, Boston, MA, USA
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38
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Manoach DS, Agam Y. Neural markers of errors as endophenotypes in neuropsychiatric disorders. Front Hum Neurosci 2013; 7:350. [PMID: 23882201 PMCID: PMC3714549 DOI: 10.3389/fnhum.2013.00350] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Accepted: 06/18/2013] [Indexed: 12/31/2022] Open
Abstract
Learning from errors is fundamental to adaptive human behavior. It requires detecting errors, evaluating what went wrong, and adjusting behavior accordingly. These dynamic adjustments are at the heart of behavioral flexibility and accumulating evidence suggests that deficient error processing contributes to maladaptively rigid and repetitive behavior in a range of neuropsychiatric disorders. Neuroimaging and electrophysiological studies reveal highly reliable neural markers of error processing. In this review, we evaluate the evidence that abnormalities in these neural markers can serve as sensitive endophenotypes of neuropsychiatric disorders. We describe the behavioral and neural hallmarks of error processing, their mediation by common genetic polymorphisms, and impairments in schizophrenia, obsessive-compulsive disorder, and autism spectrum disorders. We conclude that neural markers of errors meet several important criteria as endophenotypes including heritability, established neuroanatomical and neurochemical substrates, association with neuropsychiatric disorders, presence in syndromally-unaffected family members, and evidence of genetic mediation. Understanding the mechanisms of error processing deficits in neuropsychiatric disorders may provide novel neural and behavioral targets for treatment and sensitive surrogate markers of treatment response. Treating error processing deficits may improve functional outcome since error signals provide crucial information for flexible adaptation to changing environments. Given the dearth of effective interventions for cognitive deficits in neuropsychiatric disorders, this represents a potentially promising approach.
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Affiliation(s)
- Dara S Manoach
- Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School Boston, MA, USA ; Athinoula A. Martinos Center for Biomedical Imaging Charlestown, MA, USA
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Clery H, Andersson F, Bonnet-Brilhault F, Philippe A, Wicker B, Gomot M. fMRI investigation of visual change detection in adults with autism. NEUROIMAGE-CLINICAL 2013; 2:303-12. [PMID: 24179785 PMCID: PMC3777707 DOI: 10.1016/j.nicl.2013.01.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2012] [Revised: 01/18/2013] [Accepted: 01/19/2013] [Indexed: 11/03/2022]
Abstract
People with autism spectrum disorders (ASD) may show unusual reactions to unexpected changes that appear in their environment. Although several studies have highlighted atypical auditory change processing in ASD, little is known in this disorder about the brain processes involved in visual automatic change detection. The present fMRI study was designed to localize brain activity elicited by unexpected visual changing stimuli in adults with ASD compared to controls. Twelve patients with ASD and 17 healthy adults participated in the experiment in which subjects were presented with a visual oddball sequence while performing a concurrent target detection task. Combined results across participants highlight the involvement of both occipital (BA 18/19) and frontal (BA 6/8) regions during visual change detection. However, adults with ASD display greater activity in the bilateral occipital cortex and in the anterior cingulate cortex (ACC) associated with smaller activation in the superior and middle frontal gyri than controls. A psychophysiological interaction (PPI) analysis was performed with ACC as the seed region and revealed greater functionally connectivity to sensory regions in ASD than in controls, but less connectivity to prefrontal and orbito-frontal cortices. Thus, compared to controls, larger sensory activation associated with reduced frontal activation was seen in ASD during automatic visual change detection. Atypical psychophysiological interactions between frontal and occipital regions were also found, congruent with the idea of atypical connectivity between these regions in ASD. The atypical involvement of the ACC in visual change detection can be related to abnormalities previously observed in the auditory modality, thus supporting the hypothesis of an altered general mechanism of change detection in patients with ASD that would underlie their unusual reaction to change.
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Affiliation(s)
- H Clery
- UMR 930 Imagerie et Cerveau, INSERM, Université François Rabelais de Tours, CHRU de Tours, France
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Klein TA, Ullsperger M, Danielmeier C. Error awareness and the insula: links to neurological and psychiatric diseases. Front Hum Neurosci 2013; 7:14. [PMID: 23382714 PMCID: PMC3563042 DOI: 10.3389/fnhum.2013.00014] [Citation(s) in RCA: 143] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Accepted: 01/14/2013] [Indexed: 12/29/2022] Open
Abstract
Becoming aware of errors that one has committed might be crucial for strategic behavioral and neuronal adjustments to avoid similar errors in the future. This review addresses conscious error perception ("error awareness") in healthy subjects as well as the relationship between error awareness and neurological and psychiatric diseases. We first discuss the main findings on error awareness in healthy subjects. A brain region, that appears consistently involved in error awareness processes, is the insula, which also provides a link to the clinical conditions reviewed here. Then we focus on a neurological condition whose core element is an impaired awareness for neurological consequences of a disease: anosognosia for hemiplegia (AHP). The insular cortex has been implicated in both error awareness and AHP, with anterior insular regions being involved in conscious error processing and more posterior areas being related to AHP. In addition to cytoarchitectonic and connectivity data, this reflects a functional and structural gradient within the insula from anterior to posterior. Furthermore, studies dealing with error awareness and lack of insight in a number of psychiatric diseases are reported. Especially in schizophrenia, attention-deficit hyperactivity disorder, (ADHD) and autism spectrum disorders (ASD) the performance monitoring system seems impaired, thus conscious error perception might be altered.
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Affiliation(s)
- Tilmann A Klein
- Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences Leipzig, Germany ; Day Care Clinic for Cognitive Neurology, University Clinic Leipzig Leipzig, Germany
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Lange-Küttner C. Array Effects, Spatial Concepts, or Information Processing Speed. SWISS JOURNAL OF PSYCHOLOGY 2013. [DOI: 10.1024/1421-0185/a000113] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
A reaction time/accuracy experiment investigated the development of visual memory for object shape and location in 6–7- and 8–9-year-old children and adults (N = 72) in three array types: (1) an empty screen, (2) a frame delineating a region, and (3) a grid with individually delineated places. A maximized learning design was used. Explicit array boundaries in the frame and in the grid facilitated place memory in both children and adults, while place memory in the empty screen was less correct, slower, and did not improve. Children’s visual memory was initially low, but learning during the task resulted in better object than place memory. Like the children at the end of the session, adults showed better object than place memory at the beginning of the task. They subsequently also improved their object memory, but doubled their place memory performance. Children with object-region binding showed better place memory and more systematic learning effects that were specific to arrays. However, neither array boundaries nor spatial binding concepts explained the absence of place learning in children. Instead, children tried to prevent proactive shape interference in the repeated memory sets at the cost of place learning, while adults did not.
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Thoma P, Bellebaum C. Your Error's Got me Feeling - How Empathy Relates to the Electrophysiological Correlates of Performance Monitoring. Front Hum Neurosci 2012; 6:135. [PMID: 22629240 PMCID: PMC3354614 DOI: 10.3389/fnhum.2012.00135] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Accepted: 04/26/2012] [Indexed: 02/02/2023] Open
Abstract
The error-related and feedback-related negativities (ERN and FRN) represent negative event-related potentials associated with the processing of errors and (negative) response outcomes. The neuronal source of these components is considered to be in the anterior cingulate cortex (ACC). Monitoring one’s own behavior and the impact it may have on other people or observing other individuals perform and receive feedback for their actions may also engage empathy-related processes. Empathy is conceived of as a multifaceted construct involving both cognitive and affective components, partly also supported by the ACC. The present mini-review aims to summarize the sparse database linking the electrophysiological correlates of performance monitoring to empathy. While most studies so far provide largely indirect evidence for such an association – e.g., by pointing toward altered ERN/FRN signaling in populations characterized by deviations in empathic responding – fewer investigations establish more explicit links between the two concepts. The relationship between state and, less consistently, trait measures of empathy and action monitoring might be more pronounced for observational than for active participation.
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Affiliation(s)
- Patrizia Thoma
- Department of Neuropsychology, Institute of Cognitive Neuroscience, Ruhr-University Bochum Bochum, Germany
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Sokhadze EM, Baruth JM, Sears L, Sokhadze GE, El-Baz AS, Williams E, Klapheke R, Casanova MF. EVENT-RELATED POTENTIAL STUDY OF ATTENTION REGULATION DURING ILLUSORY FIGURE CATEGORIZATION TASK IN ADHD, AUTISM SPECTRUM DISORDER, AND TYPICAL CHILDREN. JOURNAL OF NEUROTHERAPY 2012; 16:12-31. [PMID: 23329879 PMCID: PMC3544080 DOI: 10.1080/10874208.2012.650119] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Autism spectrum disorders (ASD) and attention deficit/hyperactivity disorder (ADHD) are very common developmental disorders which share some similar symptoms of social, emotional, and attentional deficits. This study is aimed to help understand the differences and similarities of these deficits using analysis of dense-array event-related potentials (ERP) during an illusory figure recognition task. Although ADHD and ASD seem very distinct, they have been shown to share some similarities in their symptoms. Our hypothesis was that children with ASD will show less pronounced differences in ERP responses to target and non-target stimuli as compared to typical children, and to a lesser extent, ADHD. Participants were children with ASD (N=16), ADHD (N=16), and controls (N=16). EEG was collected using a 128 channel EEG system. The task involved the recognition of a specific illusory shape, in this case a square or triangle, created by three or four inducer disks. There were no between group differences in reaction time (RT) to target stimuli, but both ASD and ADHD committed more errors, specifically the ASD group had statistically higher commission error rate than controls. Post-error RT in ASD group was exhibited in a post-error speeding rather than corrective RT slowing typical for the controls. The ASD group also demonstrated an attenuated error-related negativity (ERN) as compared to ADHD and controls. The fronto-central P200, N200, and P300 were enhanced and less differentiated in response to target and non-target figures in the ASD group. The same ERP components were marked by more prolonged latencies in the ADHD group as compared to both ASD and typical controls. The findings are interpreted according to the "minicolumnar" hypothesis proposing existence of neuropathological differences in ASD and ADHD, specifically minicolumnar number/width morphometry spectrum differences. In autism, a model of local hyperconnectivity and long-range hypoconnectivity explains many of the behavioral and cognitive deficits present in the condition, while the inverse arrangement of local hypoconnectivity and long-range hyperconnectivity in ADHD explains some deficits typical for this disorder. The current ERP study supports the proposed suggestion that some between group differences could be manifested in the frontal ERP indices of executive functions during performance on an illusory figure categorization task.
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Affiliation(s)
- Estate M Sokhadze
- Psychiatry & Behavioral Sciences, University of Louisville, Louisville, KY ; Bioengineering, University of Louisville, Louisville, KY
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Sokhadze EM, Baruth JM, Sears L, Sokhadze GE, El-Baz AS, Casanova MF. Prefrontal Neuromodulation Using rTMS Improves Error Monitoring and Correction Function in Autism. Appl Psychophysiol Biofeedback 2012; 37:91-102. [DOI: 10.1007/s10484-012-9182-5] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Integrating multiple perspectives on error-related brain activity: The ERN as a neural indicator of trait defensive reactivity. MOTIVATION AND EMOTION 2011. [DOI: 10.1007/s11031-011-9269-y] [Citation(s) in RCA: 156] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Larson MJ, South M, Krauskopf E, Clawson A, Crowley MJ. Feedback and reward processing in high-functioning autism. Psychiatry Res 2011; 187:198-203. [PMID: 21122921 DOI: 10.1016/j.psychres.2010.11.006] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2010] [Revised: 11/02/2010] [Accepted: 11/03/2010] [Indexed: 10/18/2022]
Abstract
Individuals with high-functioning autism often display deficits in social interactions and high-level cognitive functions. Such deficits may be influenced by poor ability to process feedback and rewards. The feedback-related negativity (FRN) is an event-related potential (ERP) that is more negative following losses than gains. We examined FRN amplitude in 25 individuals with Autism Spectrum Disorder (ASD) and 25 age- and IQ-matched typically developing control participants who completed a guessing task with monetary loss/gain feedback. Both groups demonstrated a robust FRN that was more negative to loss trials than gain trials; however, groups did not differ in FRN amplitude as a function of gain or loss trials. N1 and P300 amplitudes did not differentiate groups. FRN amplitude was positively correlated with age in individuals with ASD, but not measures of intelligence, anxiety, behavioral inhibition, or autism severity. Given previous findings of reduced-amplitude error-related negativity (ERN) in ASD, we propose that individuals with ASD may process external, concrete, feedback similar to typically developing individuals, but have difficulty with internal, more abstract, regulation of performance.
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Affiliation(s)
- Michael J Larson
- Department of Psychology, Brigham Young University, Provo, UT 84602, USA.
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Rommelse NN, Geurts HM, Franke B, Buitelaar JK, Hartman CA. A review on cognitive and brain endophenotypes that may be common in autism spectrum disorder and attention-deficit/hyperactivity disorder and facilitate the search for pleiotropic genes. Neurosci Biobehav Rev 2011; 35:1363-96. [DOI: 10.1016/j.neubiorev.2011.02.015] [Citation(s) in RCA: 249] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2010] [Revised: 02/25/2011] [Accepted: 02/27/2011] [Indexed: 02/01/2023]
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