Cited by 351Autism Spectrum Disorder ResearchFace Recognition and PerceptionVisual perception and processing mechanisms

Enhanced visual functioning in autism: An ALE meta-analysis

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Samson, Fabienne, Mottron, Laurent, Soulières, Isabelle, Zeffiro, Thomas A.·2012·Human Brain Mapping

Abstract

Autistics often exhibit enhanced perceptual abilities when engaged in visual search, visual discrimination, and embedded figure detection. In similar fashion, while performing a range of perceptual or cognitive tasks, autistics display stronger physiological engagement of the visual system than do non-autistics. To account for these findings, the Enhanced Perceptual Functioning Model proposes that enhanced autistic performance in basic perceptual tasks results from stronger engagement of sensory processing mechanisms, a situation that may facilitate an atypically prominent role for perceptual mechanisms in supporting cognition. Using quantitative meta-analysis of published functional imaging studies from which Activation Likelihood Estimation maps were computed, we asked whether autism is associated with enhanced task-related activity for a broad range of visual tasks. To determine whether atypical engagement of visual processing is a general or domain-specific phenomenon, we examined three different visual processing domains: faces, objects, and words. Overall, we observed more activity in autistics compared to non-autistics in temporal, occipital, and parietal regions. In contrast, autistics exhibited less activity in frontal cortex. The spatial distribution of the observed differential between-group patterns varied across processing domains. Autism may be characterized by enhanced functional resource allocation in regions associated with visual processing and expertise. Atypical adult organizational patterns may reflect underlying differences in developmental neural plasticity that can result in aspects of the autistic phenotype, including enhanced visual skills, atypical face processing, and hyperlexia.

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  • An increasing number of studies show that autistic people outperform nonautistic people on a variety of tasks.

    “An increasing number of studies show that while autistic people outperform nonautistic people on a variety of tasks (e.g. Muth, Honekopp, & Falter, 2014; Remington & Fairnie, 2017; Samson, Mottron, Soulieres, & Zeffiro, 2012), these strengths are very rarely considered in the profile of autism (American Psychiatric Association, 2013).”

    From Annual Research Review: Shifting from ‘normal science’ to neurodiversity in autism science (2022) · cites this paper as Samson, Mottron, Soulieres, & Zeffiro, 2012

  • A meta-analysis found overall greater activity across occipital, temporal, and parietal regions in autism spectrum disorder during face, object, and word perception studies.

    “In a meta-analysis of ASD visual processing fMRI studies, Samson and colleagues found overall greater activity across a number of occipital, temporal, and parietal regions in individuals with ASD in face, object, and word perception studies (Samson et al., 2012).”
  • Individuals with ASD use a different network of brain regions than TD peers to perform auditory and visual tasks (differential recruitment).

    “this concept of individuals with ASD using a different network of brain regions than their TD peers to perform auditory and visual tasks, known as differential recruitment, has been a common one (Samson et al., 2012).”

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Authors
Samson, F., Mottron, L., Soulières, I., & Zeffiro, T. A.
Affiliations
  • Université de Montréal (CA)
  • Massachusetts General Hospital (US)
Venue
Human Brain Mapping
Publisher
Wiley
Published
2011-04-04
Volume
33
Issue
7
Pages
1553-1581
ISSN
  • 1065-9471 (ISSN-L)
  • 1097-0193
OpenAlex
W2057911790
Cited by
351
References
161
Citations by year
2026: 11 · 2025: 24 · 2024: 21 · 2023: 30 · 2022: 18 · 2021: 29 · 2020: 21 · 2019: 17 · 2018: 22 · 2017: 17 · 2016: 17 · 2015: 30 · 2014: 30 · 2013: 42 · 2012: 13
FWCI
2.50
Type
journal article
Language
en
Open access
Locations
  • Human Brain Mapping (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Autism Speaks (AS2706)
  • Canadian Institutes of Health Research
  • Natural Sciences and Engineering Research Council of Canada
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Face Recognition and Perception
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
Keywords
autism spectrum disorder, visual processing, visual search, visual discrimination, face processing, object processing, word processing, neuroplasticity, hyperlexia, frontal cortex, occipital cortex, parietal cortex, temporal cortex
MeSH terms
Autistic Disorder, Brain, Brain Mapping, Humans, Models, Neurological, Photic Stimulation, Visual Perception

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