Childhood executive function predicts later autistic features and adaptive behavior in young autistic people: a 12-year prospective study

Lorcan Kenny, Serena J. Cribb, Elizabeth Pellicano*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    23 Citations (Scopus)
    30 Downloads (Pure)

    Abstract

    Longitudinal studies of autistic people show that the behavioral features of autism generally endure into adulthood. Yet the prognostic indicators remain far from certain, especially for cognitively able individuals. Here, we test the predictive power of specific cognitive skills, namely theory of mind and executive function, measured in childhood, on young people’s autistic features and adaptive behavior 12 years later. Twenty-eight young autistic people (2 female) were seen twice within the space of 12 years. At Time 1 (M = 5 years; 7 months, SD = 11 months), participants were assessed on components of executive function (planning, inhibition and cognitive flexibility) and theory of mind (false-belief understanding). At Time 2, 12 years later (M = 17 years 10 months, SD = 1 year; 2 months), we measured participants’ autistic features and adaptive behavior. Only Time 1 executive function skills predicted significant variance in autistic adolescents’ autistic features, over and above variance attributable to early age, intellectual ability and theory of mind skills. Furthermore, early EF skills, in addition to early verbal ability and nonverbal ability, predicted significant variance in young people’s adaptive behavior at the 12-year follow-up. These long-term longitudinal findings clearly demonstrate that executive function measured in early childhood has prognostic significance in a sample of young autistic people approaching emerging adulthood and underscore their importance as a key target for early intervention and support.

    Original languageEnglish
    Pages (from-to)1089-1099
    Number of pages11
    JournalJournal of Abnormal Child Psychology
    Volume47
    Issue number6
    Early online date13 Nov 2018
    DOIs
    Publication statusPublished - 15 Jun 2019

    Bibliographical note

    Copyright the Author(s) 2018. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

    Keywords

    • autism
    • theory of mind
    • executive function
    • development
    • outcomes
    • longitudinal

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