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AIM: To assess the effects of binge drinking on students' next-day academic test-taking performance. DESIGN: A placebo-controlled cross-over design with randomly assigned order of conditions. Participants were randomized to either alcoholic beverage mean = 0.12 g% breath alcohol concentration (BrAC) or placebo on the first night and then received the other beverage a week later. The next day, participants were assessed on test-taking, neurocognitive performance and mood state. PARTICIPANTS: A total of 196 college students (>or=21 years) recruited from greater Boston. SETTING: The trial was conducted at the General Clinical Research Center at the Boston Medical Center. MEASUREMENTS: The Graduate Record Examinations(c) (GREs) and a quiz on a lecture presented the previous day measured test-taking performance; the Neurobehavioral Evaluation System (NES3) and the Psychomotor Vigilance Test (PVT) measured neurocognitive performance; and the Profile of Mood States (POMS) measured mood. FINDINGS: Test-taking performance was not affected on the morning after alcohol administration, but mood state and attention/reaction-time were affected. CONCLUSION: Drinking to a level of 0.12 g% BrAC does not affect next-day test-taking performance, but does affect some neurocognitive measures and mood state.
Howland et al. (Wed,) studied this question.