Postural and Cortical Responses Following Visual Occlusion in Adults With and Without ASD

Kwang Leng Goh; Susan Morris; Richard Parsons; Alexander Ring; Tele Tan

doi:10.1007/s10803-017-3405-9

Postural and Cortical Responses Following Visual Occlusion in Adults With and Without ASD

Kwang Leng Goh, Susan Morris, Richard Parsons, Alexander Ring, Tele Tan

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Autism is associated with differences in sensory processing and motor coordination. Evidence from electroencephalography suggests individual perturbation evoked response (PER) components represent specific aspects of postural disturbance processing; P1 reflects the detection and N1 reflects the evaluation of postural instability. Despite the importance of these cortical responses to postural control, PERs to a perturbation in adults with autism spectrum disorder (ASD) have yet to be reported. The aim was to compare PERs to visual perturbation under varied postural stability conditions in adults with and without ASD. This study is the first to report that while the assessment of postural set is intact, adults with ASD use more cortical resources to integrate and interpret visual perturbations for postural control.

Original language	English
Pages (from-to)	1446-1457
Number of pages	12
Journal	Journal of Autism and Developmental Disorders
Volume	48
Issue number	5
DOIs	https://doi.org/10.1007/s10803-017-3405-9
Publication status	Published - 1 May 2018

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AU - Morris, Susan

AU - Parsons, Richard

AU - Ring, Alexander

AU - Tan, Tele

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AB - Autism is associated with differences in sensory processing and motor coordination. Evidence from electroencephalography suggests individual perturbation evoked response (PER) components represent specific aspects of postural disturbance processing; P1 reflects the detection and N1 reflects the evaluation of postural instability. Despite the importance of these cortical responses to postural control, PERs to a perturbation in adults with autism spectrum disorder (ASD) have yet to be reported. The aim was to compare PERs to visual perturbation under varied postural stability conditions in adults with and without ASD. This study is the first to report that while the assessment of postural set is intact, adults with ASD use more cortical resources to integrate and interpret visual perturbations for postural control.

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Postural and Cortical Responses Following Visual Occlusion in Adults With and Without ASD

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