Related Experiment Videos
Neuropsychological functioning in nonmentally retarded autistic individuals
N J Minshew1, G Goldstein, L R Muenz
1Department of Psychiatry, University of Pittsburgh School of Medicine, Western Psychiatric Institute and Clinic, PA 15213.
Journal of Clinical and Experimental Neuropsychology
|September 1, 1992
Summary
Autistic adolescents and young adults show deficits in complex information processing, particularly in abstraction and language. This suggests a generalized cognitive abnormality, not specific attention or acquisition deficits.
Area of Science:
- Neuropsychology
- Cognitive Science
- Developmental Psychology
Background:
- Autism Spectrum Disorder (ASD) is a complex neurodevelopmental condition.
- Existing theories propose various neurobiological underpinnings for ASD, including attention and information processing deficits.
Purpose of the Study:
- To evaluate the neuropsychological functioning of autistic individuals compared to neurotypical controls.
- To test specific neurobiological theories of autism by examining cognitive abilities.
Main Methods:
- A neuropsychological assessment was conducted on 15 autistic adolescents/young adults and 15 matched controls.
- Participants were matched for age, gender, IQ, and race.
- Performance was compared on measures of abstraction, attention, memory, and language comprehension.
Main Results:
- Autistic subjects performed significantly worse on measures of abstraction, cognitive flexibility, verbal reasoning, complex memory, and language comprehension.
- No significant differences were found in attention, associative memory, or rule-learning aspects of abstraction.
Conclusions:
- Findings support a generalized abnormality in complex information processing in autism.
- Results do not support theories focused solely on fundamental deficits in attention or information acquisition.