This study investigated the potential long-term effects of cocaine exposure on brain functioning using fMRI in school-aged children. The sample included 12 children with prenatal cocaine exposure and 12 non-exposed children (8–9 years old). Groups did not differ on IQ, socioeconomic status, or perinatal risk factors. A response inhibition task was administered during an fMRI scan using a 1.5-T MRI system. Task performance did not differentiate groups, but groups were differentiated by patterns of task-related brain activity. Cocaine-exposed children showed greater activation in the right inferior frontal cortex and caudate during response inhibition, whereas non-exposed children showed greater activations in temporal and occipital regions. These preliminary findings suggest that prenatal cocaine may affect the development of brain systems involved in the regulation of attention and response inhibition.
© 2009 S. Karger AG, Basel
- Prenatal cocaine
- Cognitive development
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Stephen J. Sheinkopf, PhD
Brown Center for the Study of Children at Risk
Women and Infants Hospital of Rhode Island
101 Dudley Street, Providence, RI 02905 (USA)
Tel. +1 401 453 7637, Fax +1 401 453 7646, E-Mail firstname.lastname@example.org
Received: April 2, 2008
Accepted after revision: October 20, 2008
Published online: April 17, 2009
Number of Print Pages : 8
Number of Figures : 1, Number of Tables : 3, Number of References : 43
Vol. 31, No. 1-2, Year 2009 (Cover Date: April 2009)
Journal Editor: Levison S.W. (Newark, N.J.)
ISSN: 0378-5866 (Print), eISSN: 1421-9859 (Online)
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