EFFECTS OF SMOKING ON SIMPLE AND CHOICE-REACTION TIME

Twenty-nine subjects performed a reaction time task with four levels o f choice-task complexity under non-smoking, sham smoking, and low, med ium and high nicotine cigarette conditions. Nicotine reduced decision time, while sham smoking increased decision time. This effect was inde pendent of subjects' habitual levels of cigarette consumption. No effe ct of smoking was found on movement time.