Language disorders in children with intellectual disability of genetic origin

Andrea McDuffie, Angela John Thurman, Marie Moore Channell, Leonard Abbeduto

Research output: Chapter in Book/Report/Conference proceedingChapter


Examining language development in syndromes with identifiable genetic causes is particularly helpful for identifying the ways in which language and cognition can influence one another. R. Chapman, H.-K. Seung, S. Schwartz, and E. Kay-Raining Bird suggested that the expressive language skills of children and adolescents with Down syndrome (DS) are more delayed than would be expected based on levels of nonverbal visual cognition. In addition, cross-syndrome comparisons can help us to determine whether challenges to language development are due to intellectual disability and cognitive delay, more generally, or are syndrome-specific. The language impairments associated with 22q11.2DS may play a role in the emergence of schizophrenia and psychotic symptoms, which are highly prevalent in adolescents and adults with the syndrome. The language of males and females with fragile X syndrome is affected similarly, with quantitative differences that are related to differences in nonverbal cognition.
Original languageEnglish (US)
Title of host publicationHandbook of Child Language Disorders
EditorsRichard G Schwartz
PublisherTaylor and Francis
Number of pages30
ISBN (Electronic)9781315283524
ISBN (Print)9781848725959
StatePublished - Jan 1 2017

ASJC Scopus subject areas

  • General Psychology


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