Cited by 23Autism Spectrum Disorder ResearchVisual perception and processing mechanismsFace Recognition and Perception

Adolescents with autism show typical fMRI repetition suppression, but atypical surprise response

Utzerath, Christian, Schmits, Iris C., Buitelaar, Jan, de Lange, Floris P.·2018·Cortex

Abstract

Recent theoretical frameworks have hypothesized that autism spectrum disorder (ASD) may be marked by an altered balance between sensory inputs and prior knowledge-the so-called hypoprior hypothesis. Yet evidence regarding such an altered balance is mixed. Here, we aimed to test this hypothesis within the domain of visual perception, by examining how neural activity in the visual system was modulated by stimulus repetition and stimulus expectation in healthy and ASD participants. We presented 22 adolescents with ASD and 22 typically developing (TD) adolescents with pairs of object stimuli, while measuring brain activity using functional magnetic resonance imaging (fMRI). Stimulus pairs could be stimulus repetitions or not and could be expected or not. We examined neural activity in early (V1) and object-selective (LOC) visual cortex. Both ASD and TD individuals showed robust and equal repetition suppression in LOC. By contrast, ASD and TD groups showed a different response to expected versus unexpected stimuli, specifically in V1. Thereby, our results suggest that while the more automatic modulation of activity by repetition is unaffected in ASD, there is some evidence that the balance between sensory evidence and prior knowledge may indeed be altered in early visual cortex of ASD.

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Crossref · 10.1016/j.cortex.2018.08.019

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  • Utzerath et al. (2018) showed equally strong repetition suppression in autistic and non-autistic adolescents, but autistic and non-autistic adolescents diverged in their neural activation between expected and unexpected stimuli.

    “Utzerath et al. (2018) showed equally strong repetition suppression in autistic and non-autistic adolescents, but autistic and non-autistic adolescents diverged in their neural activation between expected and unexpected stimuli.”

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Authors
Utzerath, C., Schmits, I. C., Buitelaar, J., & de Lange, F. P.
Affiliations
Radboud University Nijmegen (NL)
Corresponding author
Utzerath, Christian
Venue
Cortex
Publisher
Elsevier BV
Published
2018-12
Volume
109
Pages
25-34
ISSN
0010-9452 (ISSN-L)
OpenAlex
W2890624262
Cited by
23
References
52
Citations by year
2026: 2 · 2025: 2 · 2024: 4 · 2023: 3 · 2022: 4 · 2021: 3 · 2020: 2 · 2019: 2 · 2018: 1
FWCI
1.19
Type
journal article
Language
en
Open access
closed
Locations
  • Cortex (publishedVersion)
  • PubMed (publishedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Funders
  • Donders Institute
  • The Netherlands Organisation for Scientific Research
  • EC Horizon 2020 Program (678286)
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, adolescents, repetition suppression, prior knowledge, sensory evidence, visual cortex, primary visual cortex, object-selective cortex, visual perception, expectations
MeSH terms
Adolescent, Attention, Autistic Disorder, Brain, Brain Mapping, Child, Female, Humans, Magnetic Resonance Imaging, Male, Photic Stimulation, Visual Perception

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