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Categorization in ASD: The Role of Typicality and Development.
Holly Zajac Gastgeb1, Mark S Strauss
1Department of Psychiatry, University of Pittsburgh School of Medicine.
Individuals with autism spectrum disorder (ASD) show differences in cognitive processing, particularly in categorization tasks. While typical category members are processed similarly, atypical members pose challenges for those with ASD.
Area of Science:
- Cognitive Psychology
- Neurodevelopmental Disorders
Background:
- Autism Spectrum Disorder (ASD) is characterized by differences in cognitive processing.
- Categorization is a key cognitive function increasingly studied in ASD.
Purpose of the Study:
- To investigate the effect of typicality on object and gender categorization in individuals with ASD.
- To compare categorization abilities across the lifespan in high-functioning individuals with ASD and neurotypical controls.
Main Methods:
- Examined categorization of typical and atypical object members and gender faces.
- Included high-functioning children, adolescents, and adults with ASD and matched controls.
- Assessed both accuracy and reaction time in categorization tasks.
Main Results:
- Both ASD and control groups demonstrated improved categorization of typical items across the lifespan.
- Individuals with ASD exhibited slower categorization of atypical object members.
- Participants with ASD showed reduced accuracy in categorizing atypical gender faces from childhood through adulthood.
Conclusions:
- Cognitive processing of category typicality differs in individuals with ASD.
- These findings have implications for educational strategies in teaching categories and labels to individuals with ASD.
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