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Laboratory and self-report assessments of impulsive behavior in adolescent daily smokers and nonsmokers.

Reynolds B, Patak M, Shroff P, Penfold RB, Melanko S, Duhig AM

Columbus Children's Research Institute and Department of Pediatrics, Ohio State University, Columbus, OH 43205, USA. reynoldb@pediatrics.ohio-state.edu

This research compared adolescent daily smokers (n=25) and nonsmokers (n=26) on different measures of impulsivity. Assessments included question-based measures of delay (DDQ) and probability (PDQ) discounting, a measure of behavioral disinhibition (go-stop task), and a self-report measure of impulsivity (Barratt Impulsiveness Scale-Adolescent). Adolescent smokers were more impulsive on the DDQ and Barratt Impulsiveness Scale--Adolescent but not on the PDQ or the go-stop task. However, there was a significant interaction between smoking status and gender on the go-stop task, with male smokers performing less impulsively on this measure than male nonsmokers--an effect not observed with the female adolescents. These findings indicate that adolescents who smoke cigarettes are more impulsive with respect to some, but not all, types of impulsivity than are adolescents who do not smoke.

Published 12 June 2007 in Exp Clin Psychopharmacol, 15(3): 264-71.
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