Naturalistic Language Recordings Reveal “Hypervocal” Infants at High Familial Risk for Autism

The Ibis Network

    Research output: Contribution to journalArticle

    Abstract

    Children's early language environments are related to later development. Little is known about this association in siblings of children with autism spectrum disorder (ASD), who often experience language delays or have ASD. Fifty-nine 9-month-old infants at high or low familial risk for ASD contributed full-day in-home language recordings. High-risk infants produced more vocalizations than low-risk peers; conversational turns and adult words did not differ by group. Vocalization differences were driven by a subgroup of “hypervocal” infants. Despite more vocalizations overall, these infants engaged in less social babbling during a standardized clinic assessment, and they experienced fewer conversational turns relative to their rate of vocalizations. Two ways in which these individual and environmental differences may relate to subsequent development are discussed.

    Original languageEnglish (US)
    Pages (from-to)e60-e73
    JournalChild Development
    Volume89
    Issue number2
    DOIs
    StatePublished - Mar 1 2018

    Fingerprint

    Autistic Disorder
    autism
    recording
    infant
    Language
    language
    Language Development Disorders
    Child Language
    Individuality
    Siblings
    Autism Spectrum Disorder
    experience
    Group

    ASJC Scopus subject areas

    • Pediatrics, Perinatology, and Child Health
    • Education
    • Developmental and Educational Psychology

    Cite this

    Naturalistic Language Recordings Reveal “Hypervocal” Infants at High Familial Risk for Autism. / The Ibis Network.

    In: Child Development, Vol. 89, No. 2, 01.03.2018, p. e60-e73.

    Research output: Contribution to journalArticle

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