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Strategies for Assessing Autistic-Like Behaviors in Mice
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Fetal testosterone and autistic traits.

Bonnie Auyeung1, Simon Baron-Cohen, Emma Ashwin

  • 1Autism Research Centre, Department of Psychiatry, University of Cambridge, Cambridge, UK. ba251@cam.ac.uk

British Journal of Psychology (London, England : 1953)
|June 13, 2008
PubMed
Summary
This summary is machine-generated.

Prenatal testosterone exposure, measured in amniotic fluid, is linked to increased autistic traits in children. This association was observed independently of the child's sex, suggesting a role for prenatal androgens.

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Endocrinology

Background:

  • Fetal testosterone (fT) influences sexually dimorphic cognition and behavior.
  • Autism spectrum disorder (ASD) may represent an extreme of male-typical traits.
  • Previous research suggests a link between prenatal androgens and certain behaviors.

Purpose of the Study:

  • To investigate the association between amniotic fT levels and autistic traits in children.
  • To explore if fT levels correlate with scores on autism spectrum questionnaires.
  • To determine if this relationship is sex-specific.

Main Methods:

  • Amniotic fluid fT levels were measured during routine amniocentesis.
  • Autistic traits were assessed using the Childhood Autism Spectrum Test (CAST) and AQ-Child in 235 children (ages 6-10).
  • Intelligence Quotient (IQ) was measured in a subset (N=74).

Main Results:

  • fT levels showed a positive association with higher CAST and AQ-Child scores.
  • This relationship was consistent across both sexes, indicating an fT effect.
  • No significant correlation was found between IQ and autistic traits or fT levels.

Conclusions:

  • Findings support the hypothesis that prenatal androgen exposure is associated with increased autistic traits.
  • Further research with larger sample sizes is needed to confirm these results and explore clinical ASD cases.
  • Prenatal testosterone may play a role in the development of autistic traits.