IQ and internalising symptoms in adolescents with ASD

Monisha Edirisooriya , Dominika Dykiert, Bonnie Auyeung

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Intelligence quotient (IQ), has been found to relate to the presence of internalising symptoms in autism spectrum disorder (ASD). This meta-analysis sought to clarify the direction of the relationship between IQ and two prevalent internalising symptoms, anxiety and depression, in adolescents with ASD. Secondly, this study aimed to highlight methodological factors contributing to inconsistent findings in existing research. Self-reported anxiety was found to be significantly higher in youth with a lower IQ, while depression was positively associated with IQ. Consequently, parents, schools and clinicians should be cautious of underestimating anxiety in youth with a lower IQ. However, care should also be taken to ensure adolescents with ASD without intellectual disabilities are not overlooked with regards to social and emotional support.
Original languageEnglish
Pages (from-to)1-21
Number of pages21
JournalJournal of Autism and Developmental Disorders
Early online date30 Dec 2020
Publication statusE-pub ahead of print - 30 Dec 2020

Keywords / Materials (for Non-textual outputs)

  • autism spectrum disorder
  • adolescents
  • anxiety
  • depression
  • intelligence quotient
  • internalising symptoms


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