Divergence of Age-Related Differences in Social-Communication: Improvements for Typically Developing Youth but Declines for Youth with Autism Spectrum Disorder.

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Bibliographic Details
Title:	Divergence of Age-Related Differences in Social-Communication: Improvements for Typically Developing Youth but Declines for Youth with Autism Spectrum Disorder.
Authors:	Wallace, Gregory, Dudley, Katerina, Anthony, Laura, Pugliese, Cara, Orionzi, Bako, Clasen, Liv, Lee, Nancy, Giedd, Jay, Martin, Alex, Raznahan, Armin, Kenworthy, Lauren
Source:	Journal of Autism & Developmental Disorders. Feb2017, Vol. 47 Issue 2, p472-479. 8p.
Subjects:	Autism, Age distribution, Analysis of covariance, Analysis of variance, Chi-squared test, Communication, Probability theory, Research funding, Social skills, Affinity groups, Cross-sectional method, Descriptive statistics
Abstract:	Although social-communication difficulties and repetitive behaviors are hallmark features of autism spectrum disorder (ASD) and persist across the lifespan, very few studies have compared age-related differences in these behaviors between youth with ASD and same-age typically developing (TD) peers. We examined this issue using SRS-2 (Social Responsiveness Scale-Second Edition) measures of social-communicative functioning and repetitive behaviors in a stratified cross-sectional sample of 324 youth with ASD in the absence of intellectual disability, and 438 TD youth (aged 4-29 years). An age-by-group interaction emerged indicating that TD youth exhibited age-related improvements in social-communication scores while the ASD group demonstrated age-related declines in these scores. This suggests that adolescents/adults with ASD may fall increasingly behind their same-age peers in social-communicative skills. [ABSTRACT FROM AUTHOR]
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Database:	Psychology and Behavioral Sciences Collection

Description
Abstract:	Although social-communication difficulties and repetitive behaviors are hallmark features of autism spectrum disorder (ASD) and persist across the lifespan, very few studies have compared age-related differences in these behaviors between youth with ASD and same-age typically developing (TD) peers. We examined this issue using SRS-2 (Social Responsiveness Scale-Second Edition) measures of social-communicative functioning and repetitive behaviors in a stratified cross-sectional sample of 324 youth with ASD in the absence of intellectual disability, and 438 TD youth (aged 4-29 years). An age-by-group interaction emerged indicating that TD youth exhibited age-related improvements in social-communication scores while the ASD group demonstrated age-related declines in these scores. This suggests that adolescents/adults with ASD may fall increasingly behind their same-age peers in social-communicative skills. [ABSTRACT FROM AUTHOR]
ISSN:	01623257
DOI:	10.1007/s10803-016-2972-5