Postural and Cortical Responses Following Visual Occlusion in Adults With and Without ASD |
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| Authors: | Kwang Leng Goh Susan Morris Richard Parsons Alexander Ring Tele Tan |
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| Institution: | 1.Faculty of Science and Engineering,Curtin University,Bentley,Australia;2.Faculty of Health Sciences,Curtin University,Bentley,Australia;3.School of Surgery,University of Western Australia,Perth,Australia |
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| 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. |
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