Objective and subjective performance as influenced by drug-induced variations in activation level.
D000328:Adult; D001143:Arousal; D003913:Dextroamphetamine / Q000494:pharmacology*; D006801:Humans; D007858:Learning / Q000187:drug effects*; D008297:Male; D010424:Pentobarbital / Q000494:pharmacology*; D010465:Perception / Q000187:drug effects*; D010919:Placebos; D011603:Psychophysiology
D010919:Placebos; D010424:Pentobarbital; D003913:Dextroamphetamine