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Related Concept Videos

Autism Spectrum Disorder01:19

Autism Spectrum Disorder

194
Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
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Visual Agnosia01:12

Visual Agnosia

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Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
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Related Experiment Video

Updated: Aug 31, 2025

Eye Tracking Young Children with Autism
09:03

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Published on: March 27, 2012

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High-level visual search in children with autism.

Safa'a Abassi Abu Rukab1,2, Noam Khayat1,3, Shaul Hochstein1,4

  • 1ELSC Edmond & Lily Safra Center for Brain Research and Silberman Institute for Life Sciences, Hebrew University, Jerusalem, Israel.

Journal of Vision
|August 22, 2022
PubMed
Summary
This summary is machine-generated.

Children with autism spectrum disorders (ASDs) show differences in visual search for faces compared to neurotypical (NT) children. While both groups search efficiently, ASDs may experience slightly less "pop-out" effect for faces, indicating distinct visual processing.

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Area of Science:

  • Cognitive neuroscience
  • Developmental psychology
  • Visual perception

Background:

  • Visual search is categorized into rapid, easy feature search and slower, difficult focused attention search.
  • Reverse hierarchy theory suggests easy search relies on high-level representations (e.g., faces "pop out"), while difficult search uses low-level vision.
  • Individuals with autism spectrum disorders (ASDs) often exhibit challenges with face recognition.

Purpose of the Study:

  • To investigate whether difficulties in face recognition in ASD impact visual search performance for faces.
  • To compare visual search times and set size slopes for faces between children with ASDs and neurotypical (NT) children.
  • To explore search performance across different target categories (human faces, animal faces, non-face objects) in both groups.

Main Methods:

  • A visual search task comparing reaction times and set size slopes for face targets versus non-face targets.
  • Participants included children diagnosed with autism spectrum disorders (ASDs) and neurotypical (NT) children.
  • Search performance was analyzed for human faces, dog/lion faces, cars, and houses.

Main Results:

  • Human face targets were generally found rapidly with shallow set size slopes in both groups.
  • A significant difference in slopes between ASD (18.8 ms/item) and NT (11.3 ms/item) groups suggests faces may not "pop out" as easily for ASD individuals.
  • The ASD group was generally slower with steeper slopes across categories, but the overall pattern of category dependency (human faces fastest, non-faces slowest) was similar between groups.

Conclusions:

  • Autism spectrum disorders may not fundamentally alter 'vision at a glance' capabilities, including basic face detection.
  • Despite some differences in search efficiency (steeper slopes for ASDs), the visual search for faces in ASD is not categorically different from NT children.
  • The findings align with reverse hierarchy theory, suggesting a potential dissociation between high-level 'at a glance' vision and lower-level 'scrutiny' vision in ASD.