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Prenatal tobacco exposure predicts differential brain function during working memory in early adolescence: a preliminary investigation
Journal article   Open access   Peer reviewed

Prenatal tobacco exposure predicts differential brain function during working memory in early adolescence: a preliminary investigation

David S. Bennett, Feroze B. Mohamed, Dennis P. Carmody, Muhammed Malik, Scott H. Faro and Michael Lewis
Brain imaging and behavior, v 7(1)
01 Mar 2013
PMID: 22820891
url
https://scholarship.libraries.rutgers.edu/esploro/outputs/acceptedManuscript/Prenatal-tobacco-exposure-predicts-differential-brain/991031549919904646View
Accepted (AM)Open Access (License Unspecified) Open

Abstract

Life Sciences & Biomedicine Neuroimaging Neurosciences & Neurology Science & Technology
Children prenatally exposed to tobacco exhibit higher rates of learning and emotional-behavioral problems related to worse working memory performance. Brain function, however, among tobacco exposed children while performing a working memory task has not previously been examined. This study compared the brain function of tobacco-exposed (n = 7) and unexposed (n = 11) 12-year-olds during a number N-back working memory task using an event-related functional magnetic resonance imaging (fMRI) design. Prenatal alcohol exposure, neonatal medical problems, environmental risk, and sex were statistically controlled. Tobacco-exposed children showed greater activation in inferior parietal regions, whereas unexposed children showed greater activation in inferior frontal regions. These differences were observed in the context of correct responses, suggesting that exposed and unexposed children use different brain regions and approaches to succeed in working memory tasks. Implications for future research and intervention are discussed.

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Collaboration types
Domestic collaboration
Web of Science research areas
Neuroimaging
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