Social Behavior and Characteristics of Autism Spectrum Disorder in Angelman, Cornelia de Lange, and Cri du Chat Syndromes

Joanna Moss, Patricia Howlin, Richard Patrick Hastings, Sarah Beaumont, Gemma M. Griffith, Jane Petty, Penny Tunnicliffe, Rachel Yates, Darrelle Villa, Chris Oliver

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

We evaluated autism spectrum disorder (ASD) characteristics and social behavior in Angelman (AS; n 5 19; mean age510.35 years), Cornelia de Lange (CdLS; n 5 15; mean age 512.40 years), and Cri du Chat (CdCS, also known as 5 p-syndrome; n 5 19; mean age 5 8.80 years) syndromes. The proportion of individuals meeting the ASD cutoff on the Social Communication Questionnaire was significantly higher in the AS and CdLS groups than in the CdCS group (p,.01). The groups demonstrated divergent social behavior profiles during social conditions in which adult availability, adult familiarity, and social demand were manipulated. Social enjoyment was significantly heightened in AS, whereas social approaches were heightened in individuals with CdCS. Social motivation, social communication, and enjoyment were significantly lower in CdLS. The findings highlight the importance of detailed observation when evaluating ASD and social behavior in genetic syndromes.

Original languageEnglish
Pages (from-to)262-283
Number of pages22
JournalAjidd-American Journal On Intellectual And Developmental Disabilities
Volume118
Issue number4
DOIs
Publication statusPublished - 1 Jul 2013

Keywords

  • Angelman syndrome
  • Autism spectrum disorder
  • Behavioral phenotypes
  • Cornelia de Lange syndrome
  • Cri du Chat syndrome
  • Social interaction skills

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