Personality mediation of genetic effects on attention-deficit/hyperactivity disorder

Michelle M. Martel, Molly Nikolas, Katherine Jernigan, Karen Friderici, Joel Nigg

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Personality traits may be viable candidates for mediators of the relationship between genetic risk and ADHD. Participants were 578 children (331 boys; 320 children with ADHD) between the ages of six and 18. Parents and teachers completed a comprehensive, multistagediagnostic procedure to assess ADHD and comorbid disorders. Mother completed the California Q-Sort to assess child Big Five personality traits. Children provided buccal samples of DNA which were assayed for selected markers on DRD4, DAT1, and ADRA2A. An additive genetic risk composite was associated with ADHD symptoms and maladaptive personality traits; maladaptive personality traits were associated with ADHD symptoms. Low conscientiousness and high neuroticism partially mediated the relationship between genetic risk and ADHD symptoms. Mediation effects for conscientiousness were specific to inattentive symptoms; effects for neuroticism generalized to all disruptive behaviors. High neuroticism and low conscientiousness may be useful as early markers for children at risk for ADHD.

Original languageEnglish (US)
Pages (from-to)633-643
Number of pages11
JournalJournal of Abnormal Child Psychology
Volume38
Issue number5
DOIs
StatePublished - Jul 2010

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Attention Deficit Disorder with Hyperactivity
Personality
Q-Sort
Cheek
Parents
Mothers
DNA
Neuroticism

Keywords

  • ADHD
  • Disruptive behaviors
  • Genetics
  • Personality

ASJC Scopus subject areas

  • Developmental and Educational Psychology
  • Psychiatry and Mental health

Cite this

Personality mediation of genetic effects on attention-deficit/hyperactivity disorder. / Martel, Michelle M.; Nikolas, Molly; Jernigan, Katherine; Friderici, Karen; Nigg, Joel.

In: Journal of Abnormal Child Psychology, Vol. 38, No. 5, 07.2010, p. 633-643.

Research output: Contribution to journalArticle

Martel, Michelle M. ; Nikolas, Molly ; Jernigan, Katherine ; Friderici, Karen ; Nigg, Joel. / Personality mediation of genetic effects on attention-deficit/hyperactivity disorder. In: Journal of Abnormal Child Psychology. 2010 ; Vol. 38, No. 5. pp. 633-643.
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