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Journal of Autism and Developmental Disorders

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01-08-2015 | Brief Report

Brief Report: A Longitudinal Study of Excessive Smiling and Laughing in Children with Angelman Syndrome

Auteurs: Dawn Adams, Kate Horsler, Rebecca Mount, Chris Oliver

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 8/2015

Abstract

Elevated laughing and smiling is a key characteristic of the Angelman syndrome behavioral phenotype, with cross-sectional studies reporting changes with environment and age. This study compares levels of laughing and smiling in 12 participants across three experimental conditions [full social interaction (with eye contact), social interaction with no eye contact, proximity only] at two data points. No differences were noted in frequency of laughing and smiling over time in any condition. However, with age as a covariate, the frequency of laughing and smiling decreased over time in the full social interaction (with eye contact) condition only. As this is the first longitudinal study to explore these behaviors in Angelman syndrome, the results suggest a gene–environment–time interaction within the behavioral phenotype.

vorige artikel Brief Report: Infants Developing with ASD Show a Unique Developmental Pattern of Facial Feature Scanning

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Titel: Brief Report: A Longitudinal Study of Excessive Smiling and Laughing in Children with Angelman Syndrome
Auteurs: Dawn Adams
Kate Horsler
Rebecca Mount
Chris Oliver
Publicatiedatum: 01-08-2015
Uitgeverij: Springer US
Gepubliceerd in: Journal of Autism and Developmental Disorders / Uitgave 8/2015
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI: https://doi.org/10.1007/s10803-015-2404-y

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