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October 17, 2025Cutting edge psychiatry in practice

The genetics of ADHD

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Authors

SCSarah Curran

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Overview

Twin studies reveal a strong genetic link to ADHD, suggesting both genetic and environmental factors play roles.

Key Points

  • Genetic predisposition for ADHD is strong, with twin studies highlighting significant heritability.
  • The dopamine receptor gene drd4 is linked to ADHD with an odds ratio of 1.33, indicating a small but notable risk.
  • Research continues to find candidate genes associated with ADHD, although no single gene overwhelmingly increases risk.
  • Translating genetic research into effective clinical practices for ADHD management remains a substantial challenge.

Cite This Study

Sarah Curran (2012) studied this question.

synapsesocial.com/papers/68f19f24de32064e504de138https://doi.org/10.65031/gwtm2867
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Update on ADHD genetics: A practitioner's perspective: Mise à jour sur la génétique du TDAH : le point de vue d’un praticien2026
  2. 2Integrating genetics, neuroimaging, and environment in ADHD: a systematic umbrella review of meta-analytic evidence2026
  3. 3Genetic Susceptibility and Childhood Adversity: Gene-Environment Interaction in Attention-Deficit/Hyperactivity Disorder2025
  4. 4Candidate genes involved in neural plasticity and the risk for attention-deficit hyperactivity disorder: a meta-analysis of 8 common variants2009
  5. 5Comparison of the role of dopamine, serotonin, and noradrenaline genes in ADHD, ODD and conduct disorder: multivariate regression analysis of 20 genes2000 · 161 citations