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Visual orienting deficits in high-functioning people with autism

J A Wainwright-Sharp1, S E Bryson

  • 1University of Guelph, Canada.

Journal of Autism and Developmental Disorders
|March 1, 1993
PubMed
Summary
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Autistic individuals exhibit attentional dysfunction, specifically difficulties in processing visual cues and shifting attention. This research supports existing findings on attention deficits in autism spectrum disorder (ASD).

Area of Science:

  • Neuroscience
  • Psychology
  • Developmental Disorders

Background:

  • Growing evidence suggests attentional dysfunction may be a core feature of autistic symptomatology.
  • Previous research highlights issues with overfocused attention and difficulties shifting attention between sensory modalities in autistic individuals.

Purpose of the Study:

  • To further investigate attentional deficits in high-functioning autistic adolescents and adults.
  • To examine visual attention processing using Posner's visual orienting task.

Main Methods:

  • Utilized Posner's visual orienting task.
  • Included a group of high-functioning autistic adolescents and adults and matched normal controls.

Main Results:

Related Experiment Videos

  • Autistic participants demonstrated impaired processing of briefly presented visual cue information.
  • Difficulties were observed in disengaging and shifting attention within the visual modality.

    • Conclusions:

    • Findings are consistent with prior research indicating impairments in stimulus registration, processing, and response in autism.
    • Attentional dysfunction, particularly in visual processing and attention shifting, is a significant factor in autism spectrum disorder (ASD).