The Role of Adaptive Behavior in Autism Spectrum Disorders: Implications for Functional Outcome.

06:00 EDT 3rd November 2010 | BioPortfolio

Summary of "The Role of Adaptive Behavior in Autism Spectrum Disorders: Implications for Functional Outcome."

The relationship between adaptive functioning and autism symptomatology was examined in 1,089 verbal youths with ASD examining results on Vineland-II, IQ, and measures of ASD severity. Strong positive relationships were found between Vineland subscales and IQ. Vineland Composite was negatively associated with age. IQ accounted a significant amount of the variance in overall adaptive skills (55%) beyond age and ASD severity. Individuals with ASD demonstrated significant adaptive deficits and negligible associations were found between the level of autism symptomatology and adaptive behavior. The results indicate that IQ is a strong predictor of adaptive behavior, the gap between IQ and adaptive impairments decreases in lower functioning individuals with ASD, and older individuals have a greater gap between IQ and adaptive skills.


Department of Health Psychology, University of Missouri-Columbia, Thompson Center for Autism and Neurodevelopmental Disorders, 205 Portland Street, Columbia, MO, 65211, USA,

Journal Details

This article was published in the following journal.

Name: Journal of autism and developmental disorders
ISSN: 1573-3432


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Medical and Biotech [MESH] Definitions

A childhood disorder predominately affecting boys and similar to autism (AUTISTIC DISORDER). It is characterized by severe, sustained, clinically significant impairment of social interaction, and restricted repetitive and stereotyped patterns of behavior. In contrast to autism, there are no clinically significant delays in language or cognitive development. (From DSM-IV)

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The adopting or performing the role of another significant individual in order to gain insight into the behavior of that person.


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