Genetic and environmental origins of the co-occurrence of autistic traits, anxiety and depression: Evidence from meta-analysis and twin study.

J Affect DisordJul 27, 2026 (epub)
Clinical ResearchPsychiatry

Yuxuan Han, Xinying Li, Ruolei Gu et al.

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In 30 seconds

This study investigated the genetic and environmental origins of the co-occurrence of autistic traits, anxiety, and depression through a meta-analysis and a twin study. The meta-analysis of six twin studies revealed a genetic correlation of 0.42 and a non-shared environmental correlation of 0.15. The findings suggest overlapping influences across these traits.

Key findings

  • Genetic correlation between autistic traits and internalising symptoms was 0.42.
  • Non-shared environmental correlation was found to be 0.15.
  • The twin study indicated a common latent factor influencing the co-occurrence of traits.
  • Substantial heterogeneity was observed across estimates in the meta-analysis.

Why it matters

Understanding the shared genetic and environmental influences on autistic traits and internalising symptoms can inform screening practices. Clinicians may consider assessing for anxiety and depression in individuals with autistic traits, enhancing early intervention strategies.

Source

Published in J Affect Disord. This summary was written by xxcode from the publication's abstract and metadata. It is not peer reviewed and is not a substitute for the original article. For clinical decisions, review the original publication.

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AI-generated summaries may contain errors or omissions. Verify clinically important information with the original publication.

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