Back to Journals » Clinical Optometry » Volume 10

Do different experimental tasks affect psychophysical measurements of motion perception in autism-spectrum disorder? An analysis

Authors Bakroon A, Lakshminarayanan V

Received 10 July 2018

Accepted for publication 29 October 2018

Published 12 December 2018 Volume 2018:10 Pages 131—143

DOI https://doi.org/10.2147/OPTO.S179336

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Ms Justinn Cochran

Peer reviewer comments 3

Editor who approved publication: Mr Simon Berry


Asmaa Bakroon,1 Vasudevan Lakshminarayanan1–3

1Theoretical and Experimental Epistemology Laboratory, School of Optometry and Vision Science, University of Waterloo, Waterloo, ON, Canada; 2Departments of Physics and Systems Design Engineering, University of Waterloo, Waterloo, ON, Canada; 3Department of Computer Engineering, University of Waterloo, Waterloo, ON, Canada

Abstract: There is a rapid increase in the number of individuals with high-functioning autism (HFA). Research on motion perception in HFA has shown deficits in processing motion information at the higher visual cortical areas (V5/middle temporal). Several hypotheses have been put forth to explain these deficits as being due to enhanced processing of small details at the expense of the global picture or as a global integration abnormality. However, there is a lot of variability in the results obtained from experiments designed to study motion in adults with autism. These could be due to the inherent diagnostic differences within even the same range of the autism spectrum and/or due to comparison of different experimental paradigms whose processing by the same visual neural areas could be different. In this review, we discuss the various results on motion processing in HFA, as well as the theories of motion perception in autism.

Keywords: autism-spectrum disorder, high-functioning autism, motion perception, biological motion, form perception, random-dot kinematogram, local motion, global motion
 

Creative Commons License This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution - Non Commercial (unported, v3.0) License. By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms.

Download Article [PDF]  View Full Text [HTML][Machine readable]