Receptive vocabulary in boys with autism spectrum disorder: Cross-sectional developmental trajectories

Sara T. Kover, Andrea S. McDuffie, Randi J Hagerman, Leonard J Abbeduto

Research output: Contribution to journalArticle

33 Scopus citations

Abstract

In light of evidence that receptive language may be a relative weakness for individuals with autism spectrum disorder (ASD), this study characterized receptive vocabulary profiles in boys with ASD using cross-sectional developmental trajectories relative to age, nonverbal cognition, and expressive vocabulary. Participants were 49 boys with ASD (4-11 years) and 80 typically developing boys (2-11 years). Receptive vocabulary, assessed with the Peabody Picture Vocabulary Test, was a weakness for boys with ASD relative to age and nonverbal cognition. Relative to expressive vocabulary, assessed with the Expressive Vocabulary Test, receptive vocabulary increased at a lower rate for boys with ASD. Vocabulary trajectories in ASD are distinguished from typical development; however, nonverbal cognition largely accounts for the patterns observed.

Original languageEnglish (US)
Pages (from-to)2696-2709
Number of pages14
JournalJournal of Autism and Developmental Disorders
Volume43
Issue number11
DOIs
StatePublished - Nov 2013

Keywords

  • Autism
  • Comprehension
  • Language development
  • Production
  • Trajectory
  • Vocabulary

ASJC Scopus subject areas

  • Developmental and Educational Psychology

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