title: The modification of drug effects on behavior by external discriminative stimuli.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D002746:Chlorpromazine / Q000494:pharmacology*; D010856:Columbidae; D003913:Dextroamphetamine / Q000494:pharmacology*; D004192:Discrimination, Psychological; D004305:Dose-Response Relationship, Drug; D006220:Haloperidol / Q000494:pharmacology*; D011395:Promazine / Q000494:pharmacology*; D012054:Reinforcement, Psychology; D012527:Satiation / Q000187:drug effects; D012601:Scopolamine / Q000494:pharmacology*
chemical_list: D012601:Scopolamine; D006220:Haloperidol; D011395:Promazine; D003913:Dextroamphetamine; D002746:Chlorpromazine