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Related Experiment Video

Updated: May 3, 2026

Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
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Perceptual inference and autistic traits.

Joshua C Skewes1, Else-Marie Jegindø2, Line Gebauer2

  • 1Aarhus University, Denmark; Aarhus University Hospitals, Denmark josh.skewes@gmail.com.

Autism : the International Journal of Research and Practice
|February 14, 2014
PubMed
Summary
This summary is machine-generated.

Autistic individuals show enhanced detail perception. This study supports a cognitive bias model over sensory precision, suggesting differences in how prior knowledge influences perception in autism.

Keywords:
autism spectrum disorderperceptual enhancementsperceptual inferencesignal detection theoryweak priors

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Autism Research

Background:

  • Autistic individuals often exhibit superior detail perception.
  • Existing theories attribute this to bottom-up sensory processing or top-down cognitive biases.
  • A unified framework views perception as neural inference, integrating sensory data with prior knowledge.

Purpose of the Study:

  • To investigate the underlying mechanisms of enhanced detail perception in autism.
  • To differentiate between sensory precision and cognitive bias models within a unified perception framework.
  • To compare high and low autistic trait groups using the Autism-Spectrum Quotient.

Main Methods:

  • Utilized a common framework of perception as implicit neural inference.
  • Compared two models: enhanced sensory evidence precision versus higher weighting of sensory evidence over prior knowledge.
  • Assessed participants with high and low autistic trait scores via the Autism-Spectrum Quotient.

Main Results:

  • Found evidence supporting the cognitive bias model.
  • No evidence was found to support the enhanced sensory precision model.
  • Perceptual differences in autism may stem from altered weighting of prior knowledge.

Conclusions:

  • The cognitive bias model provides a better explanation for enhanced detail perception in autistic individuals.
  • Sensory precision does not appear to be the primary driver of these perceptual differences.
  • Future research should explore how prior knowledge is utilized in autistic perception.