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Effects of maternal and paternal smoking on attentional control in children with and without ADHD

[journal article]

Altink, Marieke E.
Slaats-Willemse, Dorine I. E.
Rommelse, Nanda N. J.
Buschgens, Cathelijne J. M.
Fliers, Ellen A.
Arias-Vásquez, Alejandro
Xu, Xiaohui
Franke, Barbara
Sergeant, Joseph A.
Faraone, Stephen V.
Buitelaar, Jan K.

Abstract

Maternal smoking during pregnancy is a risk factor for attention-deficit/hyperactivity disorder (ADHD), but data on its adverse effects on cognitive functioning are sparse and inconsistent. Since the effect of maternal smoking during pregnancy may be due to correlated genetic risk factors rather tha... view more

Maternal smoking during pregnancy is a risk factor for attention-deficit/hyperactivity disorder (ADHD), but data on its adverse effects on cognitive functioning are sparse and inconsistent. Since the effect of maternal smoking during pregnancy may be due to correlated genetic risk factors rather than being a pure environmental effect, we examined the effect of prenatal exposure to smoking on attentional control, taking into account the effects of both maternal and paternal smoking, and examined whether these effects were genetically mediated by parental genotypes. We further examined whether the effect of prenatal exposure to smoking on attentional control interacted with genotypes of the child. Participants were 79 children with ADHD, ascertained for the International Multi-centre ADHD Gene project (IMAGE), and 105 normal controls. Attentional control was assessed by a visual continuous performance task. Three genetic risk factors for ADHD (DRD4 7-repeat allele of the exon 3 variable number of tandem repeats (VNTR), DAT1 10/10 genotype of the VNTR located in the 3′ untranslated region, and the DAT1 6/6 genotype of the intron 8 VNTR) were included in the analyses. Paternal smoking had a negative effect on attentional control in children with ADHD and this effect appeared to be mediated by genetic risk factors. The prenatal smoking effect did not interact with genotypes of the child. Maternal smoking had no main effect on attentional control, which may be due to lower smoking rates. This study suggests that the effects of paternal smoking on attentional control in children with ADHD should be considered a proxy for ADHD and/or smoking risk genes. Future studies should examine if the results can be generalized to other cognitive domains.... view less

Classification
Psychological Testing, Psychological Counseling, Psychological Methodology
Psychological Disorders, Mental Health Treatment and Prevention

Free Keywords
ADHD; Genetics; Smoking; Pregnancy; Response time variability

Document language
English

Publication Year
2009

Page/Pages
p. 465-475

Journal
European Child & Adolescent Psychiatry, 18 (2009) 8

DOI
https://doi.org/10.1007/s00787-009-0001-3

Status
Postprint; peer reviewed

Licence
PEER Licence Agreement (applicable only to documents from PEER project)


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© 2007 - 2025 Social Science Open Access Repository (SSOAR).
Based on DSpace, Copyright (c) 2002-2022, DuraSpace. All rights reserved.