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Journal Article

Citation

Barkley RA, Murphy KR, O'Connell T, Anderson D, Connor DF. Neuropsychology 2006; 20(1): 77-87.

Affiliation

Department of Psychiatry, Medical University of South Carolina, Mount Pleasant, SC 29466, USA. russellbarkley@earthlink.net

Copyright

(Copyright © 2006, American Psychological Association)

DOI

10.1037/0894-4105.20.1.77

PMID

16460224

Abstract

Prior studies have documented greater impairments in driving performance and greater alcohol consumption among adults with attention-deficit/hyperactivity disorder (ADHD). This study examined whether alcohol consumption produces a differentially greater impairment in driving among adults with ADHD in comparison to a community control group. The present study compared 50 adults with ADHD (mean age 33 years) and 40 control adults (mean age 29 years) on the effects of 2 single, acute doses of alcohol (0.04 and 0.08 blood alcohol concentration) and a placebo on their driving performance. The authors used a virtual reality driving simulator, examiner and self-ratings of simulator performance, and a continuous performance test (CPT) to evaluate attention and inhibition. Approximately half of the adults in each group were randomized to either the low or high dose alcohol treatment arms. Alcohol consumption produced a greater impact on the CPT inattention measures of the ADHD than the control group. Similar results were obtained for the behavioral observations taken during the operation of the driving simulator. Driving simulator scores, however, showed mainly a deleterious effect of alcohol on all participants but no differentially greater effect on the ADHD group. The present results demonstrated that alcohol may have a greater detrimental effect on some aspects of driving performance in ADHD than control adults.


Language: en

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