Cited by 57Autism Spectrum Disorder ResearchVisual perception and processing mechanismsFace Recognition and Perception

Early visual cortex organization in autism: an fMRI study

Hadjikhani, Nouchine, Chabris, Christopher F., Joseph, Robert M., Clark, Jill, McGrath, Lauren, Aharon, Itzhak, Feczko, Eric, Tager-Flusberg, Helen +1 more·2004·Neuroreport

Abstract

Autism is a neurodevelopmental disorder characterized by preserved visual abilities as well as a special profile for visual cognition. We examined the visual cortex of high-ability individuals with autism in order to assess whether the presence of abnormalities at the primary sensory level in autism could be the basis of their unusual pattern of visual cognitive abilities. We found that the early sensory visual areas are normally organized in individuals with autism, with a normal ratio between central versus peripheral visual field representation. We conclude that the differences observed in the visual capacities of individuals with autism are likely to arise from higher-level cognitive areas and functions, and are the result of top-down processes.

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Crossref · 10.1097/00001756-200402090-00011

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28 of 28 references verified0 citation errors · 0 not checkable

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Authors
Hadjikhani, N., Chabris, C. F., Joseph, R. M., Clark, J., McGrath, L., Aharon, I., Feczko, E., Tager-Flusberg, H., & Harris, G. J.
Affiliations
  • Harvard University (US)
  • Boston University (US)
Venue
Neuroreport
Published
2004-02
Volume
15
Issue
2
Pages
267-270
ISSN
0959-4965 (ISSN-L)
OpenAlex
W1971046263
Cited by
57
References
28
Citations by year
2024: 1 · 2022: 1 · 2021: 2 · 2020: 5 · 2019: 3 · 2018: 1 · 2017: 2 · 2016: 1 · 2015: 3 · 2014: 3 · 2013: 3 · 2012: 4
FWCI
2.69
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroreport (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute on Deafness and Other Communication Disorders (DC03610)
  • National Institute of Neurological Disorders and Stroke (R01 NS 44824-01, R01NS044824)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Face Recognition and Perception
Keywords
autism spectrum disorder, visual cortex, primary visual cortex, visual field representation, visual cognition, top-down processing, high-functioning autism, neurodevelopmental disorders
MeSH terms
Adolescent, Adult, Attention, Autistic Disorder, Brain Mapping, Cerebral Cortex, Cognition, Humans, Functional Laterality, Magnetic Resonance Imaging, Middle Aged, Neural Pathways, Photic Stimulation, Reference Values, Visual Cortex, Visual Fields, Visual Perception

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