Cited by 313Autism Spectrum Disorder ResearchVisual perception and processing mechanismsVisual Attention and Saliency Detection

Why is visual search superior in autism spectrum disorder?

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Joseph, Robert M., Keehn, Brandon, Connolly, Christine, Wolfe, Jeremy M., Horowitz, Todd S.·2009·Developmental Science

Abstract

This study investigated the possibility that enhanced memory for rejected distractor locations underlies the superior visual search skills exhibited by individuals with autism spectrum disorder (ASD). We compared the performance of 21 children with ASD and 21 age‐ and IQ‐matched typically developing (TD) children in a standard static search task and a dynamic search task, in which targets and distractors randomly changed locations every 500 ms, precluding the use of memory in search. Children with ASD exhibited overall faster reaction time (RT) relative to TD children, and showed no disruption in search efficiency in the dynamic condition, discounting the possibility that memory for rejected distractors augments their visual search abilities. Analyses of RT x set size functions showed no group differences in slopes but lower intercepts for the ASD group in both static and dynamic search, suggesting that the ASD advantage derived from non‐search processes, such as an enhanced ability to discriminate between targets and distractors at the locus of attention. Eye‐movement analyses revealed that the ASD and TD groups were similar in the number and spatial distribution of fixations across the search array, but that fixation duration was significantly shorter among children with ASD. Lower intercepts in static search were related to increased symptom severity in children with ASD. In summary, ASD search superiority did not derive from differences in the manner in which individuals with ASD deployed their attention while searching, but from anomalously enhanced perception of stimulus features, which was in turn positively associated with autism symptom severity.

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Crossref · 10.1111/j.1467-7687.2009.00855.x

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  • Kemner and colleagues found that 8-12-year-old children with ASD made more saccades, reflecting shorter fixation durations, than children with typical development or ADHD when viewing static geometric shapes.

    “For example, Kemner and colleagues21 found that 8-12-year-old children with ASD made more saccades (reflecting shorter fixation durations) than children with typical development or ADHD when viewing static geometric shapes (see also Refs. 22, 23 - although findings on fixation durations in adults with ASD are not consistent24).”
  • Patients may have superior, rather than reduced, performance in basic unimodal functions such as pitch processing or visual search capabilities that are impaired in schizophrenia.

    “Similarly, patients may have superior, rather than reduced, performance in basic unimodal functions such as pitch processing (115) or visual search capabilities (116) that are impaired in schizophrenia.”

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Research works printed but not linked: 2

  1. Burack JA, Enns JT, Stauder JEA, Mottron L, & Randolph B (1997). Attention and autism: behavioral and electrophysiological evidence. In Cohen DJ, & Volkmar FR (Eds.), Autism and pervasive developmental disorders: A handbook (pp. 226– 247). New York: John Wiley and Sons.
  2. Plaisted KC (2000). Aspects of autism that theory of mind cannot easily explain. In Baron-Cohen S, Tager-Flusberg H, & Cohen DJ (Eds.), Understanding other minds: Perspectives from autism and cognitive neuroscience (2nd edn., pp. 222– 250). Oxford: Oxford University Press.

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Authors
Joseph, R. M., Keehn, B., Connolly, C., Wolfe, J. M., & Horowitz, T. S.
Affiliations
  • Boston University (US)
  • Brigham and Women's Hospital (US)
Corresponding author
Joseph, Robert M.
Venue
Developmental Science
Publisher
Wiley
Published
2009-10-14
Volume
12
Issue
6
Pages
1083-1096
ISSN
  • 1363-755X (ISSN-L)
  • 1467-7687
OpenAlex
W2124224090
Cited by
313
References
47
Citations by year
2026: 9 · 2025: 13 · 2024: 13 · 2023: 19 · 2022: 22 · 2021: 18 · 2020: 20 · 2019: 26 · 2018: 20 · 2017: 11 · 2016: 28 · 2015: 13 · 2014: 20 · 2013: 32 · 2012: 21
FWCI
7.81
Type
journal article
Language
en
Open access
Locations
  • Developmental Science (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Mental Health (K01MH073944)
  • National Eye Institute (R01EY005087)
  • National Institute on Deafness and Other Communication Disorders (U19DC003610)
  • Air Force Office of Scientific Research
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
autism spectrum disorder, visual search, dynamic search, reaction time, fixation duration, eye movements, symptom severity, children, attentional deployment
MeSH terms
Adolescent, Attention, Autistic Disorder, Child, Eye Movements, Female, Humans, Male, Memory, Neuropsychological Tests, Reaction Time, Visual Perception, Young Adult

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