Cited by 107Autism Spectrum Disorder ResearchVisual perception and processing mechanismsFace Recognition and Perception

A neural substrate for atypical low-level visual processing in autism spectrum disorder

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Vandenbroucke, M. W. G., Scholte, H. S., van Engeland, H., Lamme, V. A. F., Kemner, C.·2008·Brain

Abstract

An important characteristic of autism spectrum disorder (ASD) is increased visual detail perception. Yet, there is no standing neurobiological explanation for this aspect of the disorder. We show evidence from EEG data, from 31 control subjects (three females) and 13 subjects (two females) aged 16-28 years, for a specific impairment in object boundary detection in ASD, which is present as early as 120 ms after stimulus presentation. In line with a neural network model explicating the role of feedforward, horizontal and recurrent processing in visual perception, we can attribute this deficit to a dysfunction of horizontal connections within early visual areas. Interestingly, ASD subjects showed an increase in subsequent activity at lateral occipital sites (225 ms), which might reflect a compensational mechanism. In contrast, recurrent processing between higher and lower visual areas (around 260 ms), associated with the segregation between figure and background, was normal. Our results show specific neural abnormalities in ASD related to low-level visual processing. In addition, given the reconciliation between our findings and previous neuropathology and neurochemistry research, we suggest that atypical horizontal interactions might reflect a more general neural abnormality in this disorder.

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Crossref · 10.1093/brain/awm321

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Authors
Vandenbroucke, M. W. G., Scholte, H. S., van Engeland, H., Lamme, V. A. F., & Kemner, C.
Affiliations
  • American Academy of Arts and Sciences (US)
  • Netherlands Institute for Neuroscience (NL)
Venue
Brain
Published
2008-02-26
Volume
131
Issue
4
Pages
1013-1024
ISSN
  • 0006-8950 (ISSN-L)
  • 1460-2156
OpenAlex
W2125615718
Cited by
107
References
48
Citations by year
2026: 1 · 2025: 1 · 2023: 2 · 2022: 3 · 2021: 5 · 2020: 4 · 2019: 3 · 2018: 5 · 2017: 6 · 2016: 10 · 2015: 5 · 2014: 9 · 2013: 14 · 2012: 7
FWCI
5.35
Type
journal article
Language
en
Licence
other-oa
Locations
  • Brain (publishedVersion)
  • PubMed (publishedVersion)
  • Research Publications (Maastricht University) (publishedVersion, other-oa)
  • UvA-DARE (University of Amsterdam) (submittedVersion)
  • Research Publications (Maastricht University) (submittedVersion, other-oa)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
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, low-level vision, object boundary detection, horizontal connections, recurrent processing, feedforward processing, lateral occipital cortex, figure-ground segregation, compensatory mechanisms, neural network model
MeSH terms
Adolescent, Adult, Autistic Disorder, Brain Mapping, Discrimination, Psychological, Electroencephalography, Female, Form Perception, Humans, Male, Neural Pathways, Perceptual Disorders, Photic Stimulation, Psychophysics, Visual Cortex, Contrast Sensitivity

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