title: The effect of extraversion and stimulant and depressant drugs on verbal conditioning.
mesh_terms: D000328:Adult; D000704:Analysis of Variance; D003216:Conditioning, Operant / Q000187:drug effects*; D003913:Dextroamphetamine / Q000494:pharmacology*; D005120:Extraversion, Psychological; D006801:Humans; D007439:Introversion, Psychological; D008297:Male; D010634:Phenobarbital / Q000494:pharmacology*; D012057:Reinforcement, Verbal
chemical_list: D003913:Dextroamphetamine; D010634:Phenobarbital