Cited by 36Attention Deficit Hyperactivity DisorderNeurotransmitter Receptor Influence on BehaviorSchizophrenia research and treatment

Double dissociation between lab measures of inattention and impulsivity and the dopamine transporter gene (DAT1) and dopamine D4 receptor gene (DRD4)

Gizer, Ian R., Waldman, Irwin D.·2012·Journal of Abnormal Psychology

Abstract

Studies examining the biological and neuropsychological processes underlying attention-deficit/hyperactivity disorder (ADHD) suggest that error indices from the A-X Continuous Performance Test (A-X CPT) might represent useful endophenotypes for ADHD. The current study extended such findings by evaluating the utility of these putative endophenotypes in the context of a molecular genetic study. One hundred and forty-eight clinic-referred ADHD probands and 56 siblings were recruited as part of an ongoing study. Between- and within-family tests of association were conducted to test for relations between polymorphisms in two candidate genes, the dopamine transporter gene (DAT1) and the dopamine D4 receptor gene (DRD4), and indices of inattention and impulsivity derived from the A-X CPT. Association analyses of these polymorphisms with the A-X CPT indices suggested a double dissociation such that an index of inattention was associated with DRD4 but not DAT1, and an index of impulsivity was associated with DAT1 but not DRD4. Further analyses suggested that an A-X CPT index of impulsivity partially mediated previously observed associations between hyperactive-impulsive ADHD symptoms and DAT1. Additionally, an A-X CPT index of inattention moderated the relation between inattentive ADHD symptoms and DRD4 such that children with high levels of the endophenotype showed a stronger association between inattentive symptoms and DRD4. The potential utility of endophenotypes derived from the A-X CPT in molecular genetic studies of ADHD is discussed. (PsycINFO Database Record (c) 2012 APA, all rights reserved).

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Crossref · 10.1037/a0028225

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  • Evidence on whether DRD4 is more strongly associated with inattentive symptoms than hyperactive-impulsive symptoms of ADHD is inconsistent, with some studies finding a stronger inattentive association and others finding association with both symptom domains.

    “Several studies have suggested that DRD4 is more strongly associated with inattentive symptoms than hyperactive-impulsive symptoms of ADHD (McCracken et al., 2000; Gizer and Waldman, 2012), while other studies showed that DRD4 was implicated in both inattentive and hyperactive symptoms (Lasky-Su et al., 2007; Bidwell et al., 2011).”

    From A Review of Heterogeneity in Attention Deficit/Hyperactivity Disorder (ADHD) (2019) · cites this paper as Gizer and Waldman, 2012

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Authors
Gizer, I. R., & Waldman, I. D.
Affiliations
University of Missouri (US)
Venue
Journal of Abnormal Psychology
Published
2012-11
Volume
121
Issue
4
Pages
1011-1023
ISSN
  • 0021-843X (ISSN-L)
  • 1939-1846
OpenAlex
W2054288964
Cited by
36
References
89
Citations by year
2021: 2 · 2020: 4 · 2019: 2 · 2018: 1 · 2017: 6 · 2016: 3 · 2015: 7 · 2014: 6 · 2013: 4 · 2012: 1
FWCI
4.10
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Abnormal Psychology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Mental Health (F31-MH072083-01, K01-MH01818)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
Keywords
attention deficit hyperactivity disorder, endophenotypes, inattention, impulsivity, dopamine transporter gene, DAT1, dopamine D4 receptor gene, DRD4, candidate gene polymorphisms, family-based association, mediation, moderation, children
MeSH terms
Adolescent, Attention, Attention Deficit Disorder with Hyperactivity, Child, Female, Humans, Impulsive Behavior, Male, Neuropsychological Tests, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Siblings, Dopamine Plasma Membrane Transport Proteins, Receptors, Dopamine D4

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