کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8841859 | 1615034 | 2018 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Frontal evoked γ activity modulates behavioural performance in Autism Spectrum Disorders in a perceptual simultaneity task
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کلمات کلیدی
DSM-VADI-RPCA - PCAautism spectrum disorders - اختلالات طیف اوتیسمAutism spectrum disorder - اختلالات طیف اوتیسم گروهیMEG - بهPrincipal component analysis - تحلیل مولفههای اصلی یا PCAanalysis of variance - تحلیل واریانسANOVA - تحلیل واریانس Analysis of variancemagnetoencephalography - مغناطیس مغزWechsler Abbreviated Scale of Intelligence - مقیاس اطلاعاتی مختصر وختلرASD - نقص سپتوم یا دیوارهی دهلیزیWASI - واشنگتن
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
علوم اعصاب (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Frontal evoked γ activity modulates behavioural performance in Autism Spectrum Disorders in a perceptual simultaneity task Frontal evoked γ activity modulates behavioural performance in Autism Spectrum Disorders in a perceptual simultaneity task](/preview/png/8841859.png)
چکیده انگلیسی
Autism spectrum disorders (ASDs) are associated with anomalies in time perception. In a perceptual simultaneity task, individuals with ASD demonstrate superior performance compared to typically developing (TD) controls. γ-activity, a robust marker of visual processing, is reportedly altered in ASD in response to a wide variety of tasks and these differences may be related to superior performance in perceptual simultaneity. Using time-frequency analysis, we assessed evoked γ-band phase-locking in magnetoencephalographic recordings of 16 ASD individuals and 17 age-matched TD controls. Individuals judged whether presented visual stimuli were simultaneous or asynchronous. We identified left frontal γ-activity in ASD, which was associated with a reduced perception of simultaneity. Where feature binding was observed at a neurophysiological level in parieto-occipital cortices in ASD in apparent simultaneity (asynchronous stimuli with short delay between them), this did not predict the correct behavioural outcome. These findings suggest distinct γ profiles in ASD associated with the perception of simultaneity.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Neuroscience Letters - Volume 665, 5 February 2018, Pages 86-91
Journal: Neuroscience Letters - Volume 665, 5 February 2018, Pages 86-91
نویسندگان
David A. Menassa, Sven Braeutigam, Anthony Bailey, Christine M. Falter-Wagner,