Eye Movement Difficulties in Autism Spectrum Disorder: Implications for Implicit Contextual Learning

Kourkoulou, Anastasia; Kuhn, Gustav; Findlay, John M. and Leekam, Susan R.. 2013. Eye Movement Difficulties in Autism Spectrum Disorder: Implications for Implicit Contextual Learning. Autism Research, 6(3), pp. 177-189. ISSN 1939-3792 [Article]

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Abstract or Description

It is widely accepted that we use contextual information to guide our gaze when searching for an object. People with autism spectrum disorder (ASD) also utilise contextual information in this way; yet, their visual search in tasks of this kind is much slower compared with people without ASD. The aim of the current study was to explore the reason for this by measuring eye movements. Eye movement analyses revealed that the slowing of visual search was not caused by making a greater number of fixations. Instead, participants in the ASD group were slower to launch their first saccade, and the duration of their fixations was longer. These results indicate that slowed search in ASD in contextual learning tasks is not due to differences in the spatial allocation of attention but due to temporal delays in the initial-reflexive orienting of attention and subsequent-focused attention. These results have broader implications for understanding the unusual attention profile of individuals with ASD and how their attention may be shaped by learning.

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autism;eye movements;visual search;implicit learning;contextual cueing

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Date Deposited:

29 May 2015 16:16

Last Modified:

04 Jul 2017 09:28

Peer Reviewed:

Yes, this version has been peer-reviewed.



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