title: Drugs and reinforcement mechanisms: a critical review of the catecholamine theory.
mesh_terms: D000818:Animals; D001921:Brain / Q000033:anatomy & histology / Q000187:drug effects / Q000502:physiology; D002395:Catecholamines / Q000502:physiology*; D004298:Dopamine / Q000502:physiology; D006801:Humans; D009638:Norepinephrine / Q000502:physiology; D010600:Pharmacology; D012054:Reinforcement, Psychology; D012653:Self Stimulation / Q000187:drug effects
chemical_list: D002395:Catecholamines; D004298:Dopamine; D009638:Norepinephrine