Cited by 87Autism Spectrum Disorder ResearchVisual perception and processing mechanismsVisual Attention and Saliency Detection

Brief report: eye movements during visual search tasks indicate enhanced stimulus discriminability in subjects with PDD

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Kemner, Chantal, van Ewijk, Lizet, van Engeland, Herman, Hooge, Ignace·2008·Journal of Autism and Developmental Disorders

Abstract

Subjects with PDD excel on certain visuo-spatial tasks, amongst which visual search tasks, and this has been attributed to enhanced perceptual discrimination. However, an alternative explanation is that subjects with PDD show a different, more effective search strategy. The present study aimed to test both hypotheses, by measuring eye movements during visual search tasks in high functioning adult men with PDD and a control group. Subjects with PDD were significantly faster than controls in these tasks, replicating earlier findings in children. Eye movement data showed that subjects with PDD made fewer eye movements than controls. No evidence was found for a different search strategy between the groups. The data indicate an enhanced ability to discriminate between stimulus elements in PDD.

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  • Individuals with autism show superior performance in visual search tasks.

    “One well-replicated finding is that of superior performance in visual search tasks, in which participants have to indicate the presence of an odd-one-out element among a number of foils [2–5].”

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Authors
Kemner, C., van Ewijk, L., van Engeland, H., & Hooge, I.
Affiliations
  • University Medical Center Utrecht (NL)
  • Utrecht University (NL)
Corresponding author
Kemner, Chantal
Venue
Journal of Autism and Developmental Disorders
Published
2007-07-03
Volume
38
Issue
3
Pages
553-557
ISSN
  • 0162-3257 (ISSN-L)
  • 1573-3432
OpenAlex
W2168803187
Cited by
87
References
21
Citations by year
2026: 1 · 2025: 2 · 2024: 4 · 2023: 2 · 2022: 5 · 2021: 1 · 2020: 2 · 2019: 2 · 2018: 3 · 2017: 6 · 2016: 10 · 2015: 7 · 2014: 7 · 2013: 10 · 2012: 5
FWCI
2.17
Type
journal article
Language
en
Open access
Locations
  • Journal of Autism and Developmental Disorders (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Research Publications (Maastricht University) (publishedVersion, cc-by-nc)
  • Research Publications (Maastricht University) (submittedVersion, cc-by-nc)
Funders
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (402-01-094)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Visual Attention and Saliency Detection
Keywords
pervasive developmental disorders, autism spectrum disorder, visual search, eye movements, stimulus discrimination, search strategies, visuospatial ability, perceptual discrimination
MeSH terms
Adult, Child, Child Development Disorders, Pervasive, Discrimination, Psychological, Eye Movements, Humans, Interpersonal Relations, Male, Reaction Time, Visual Perception

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