Why the study?
Does alcohol dose and tobacco smoking alter performance on a visual discrimination task and heart rate?
Does alcohol dose and tobacco smoking alter performance on a visual discrimination task and heart rate?
Low doses of alcohol may improve visual discrimination while higher doses impair it, and this effect appears to be modulated by nicotine.
Low-dose alcohol may enhance visual discrimination while moderate doses impair it, modulated by smoking; leaves open causal effects and clinical relevance.
Performance on a visual discrimination task correlated positively with blood alcohol concentrations of less than 0.02% and negatively with concentrations in the range of 0.04–0.05%. Smokers after smoking and nonsmokers performed differently, suggesting that nicotine in some way alters the effect of alcohol.
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Tong et al. (1974) studied this question.
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