Genetics of Attention-Deficit Hyperactivity Disorder.
Kate Langley1,2, Joanna Martin3,4,5, Anita Thapar3,4,5
1School of Psychology, Cardiff University, Cardiff, UK. LangleyK@cardiff.ac.uk.
Current Topics in Behavioral Neurosciences
|May 10, 2022
Summary
Genetic research reveals Attention-Deficit Hyperactivity Disorder (ADHD) is highly heritable. Studies explore genetic risk variants, polygenic scores, and gene-environment interactions to understand ADHD
Area of Science:
- Genetics
- Neuroscience
- Psychiatry
Background:
- Attention-Deficit Hyperactivity Disorder (ADHD) is a well-established heritable neurodevelopmental disorder.
- Decades of research have significantly advanced our understanding of the genetic architecture of ADHD.
Purpose of the Study:
- To comprehensively review studies on ADHD heritability.
- To discuss methodologies for identifying molecular genetic risk variants.
- To explore the implications of genetic findings for ADHD biology and comorbidity.
Main Methods:
- Review of heritability studies.
- Analysis of molecular genetic techniques for variant identification.
- Examination of polygenic risk scores and gene-environment interaction studies.
Main Results:
- Genetic factors play a substantial role in ADHD etiology.
- Research has identified various genetic variants associated with ADHD risk.
- Gene-environment interplay influences ADHD development and expression.
- Genetic studies illuminate biological pathways and comorbidity patterns.
Conclusions:
- Current genetic methodologies offer insights into ADHD but have limitations.
- Continued genetic research is crucial for understanding ADHD pathophysiology.
- Translating genetic findings into clinical practice holds potential for ADHD management.
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