Cited by 41Attention Deficit Hyperactivity DisorderGenetic Associations and EpidemiologyAutism Spectrum Disorder Research

Advances in genetic studies of attention-deficit/hyperactivity disorder

Smith, Alicia K., Mick, Eric, Faraone, Stephen V.·2009·Current Psychiatry Reports

Abstract

Attention-deficit/hyperactivity disorder (ADHD) is among the most common childhood-onset psychiatric disorders. Although family, twin, and adoption studies demonstrate that ADHD is a highly heritable condition, studies also suggest that genetic architecture is complex, prompting the use of more advanced methodologies such as genome-wide linkage and association studies. Although such studies are theoretically compelling, replication of these results has been inconsistent. Meta-analyses have produced more reliable results, but the associations identified to date account for only a small percentage of the genetic component of ADHD. Approaches such as neuroimaging genetics and epigenetic studies are being explored to probe further the etiologic complexity of this disorder.

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Crossref · 10.1007/s11920-009-0022-0

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  • Evidence supporting environmental contributions to ASD risk includes incomplete concordance for autism among monozygotic twins and incomplete penetrance within individuals expressing a given ASD-linked gene mutation.

    “Evidence supporting environmental contributions to ASD risk include observations of incomplete concordance for autism among monozygotic twins and incomplete penetrance within individuals expressing a given ASD-linked gene mutation, whereby a significant percentage of carriers do not express autistic phenotypes [ 14 , 19 , 22 ].”

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Authors
Smith, A. K., Mick, E., & Faraone, S. V.
Affiliations
SUNY Upstate Medical University (US)
Corresponding author
Faraone, Stephen V.
Venue
Current Psychiatry Reports
Published
2009-03-22
Volume
11
Issue
2
Pages
143-148
ISSN
  • 1523-3812 (ISSN-L)
  • 1535-1645
OpenAlex
W2072441542
Cited by
41
References
59
Citations by year
2026: 1 · 2025: 1 · 2024: 3 · 2022: 1 · 2021: 1 · 2020: 1 · 2019: 1 · 2018: 2 · 2016: 4 · 2015: 4 · 2014: 6 · 2013: 4 · 2012: 6
FWCI
2.43
Type
journal article
Language
en
Open access
closed
Locations
  • Current Psychiatry Reports (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
Keywords
attention deficit hyperactivity disorder, genetic architecture, heritability, genome-wide association study, meta-analysis, neuroimaging genetics, epigenetics, ADHD etiology
MeSH terms
Attention Deficit Disorder with Hyperactivity, Genotype, Humans, Genetic Linkage, Molecular Biology, Social Environment, Genome, Minisatellite Repeats, Receptor, Serotonin, 5-HT1B, Dopamine Plasma Membrane Transport Proteins, Serotonin Plasma Membrane Transport Proteins, Receptors, Dopamine D4, Receptors, Dopamine D5, Synaptosomal-Associated Protein 25

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