title: On the use of operant behavior to study the neuropsychopharmacology of opiates with special reference to morphine and its relationship to dopamine in the central nervous system.
mesh_terms: D000223:Adaptation, Psychological / Q000187:drug effects; D000818:Animals; D001923:Brain Chemistry / Q000187:drug effects*; D002395:Catecholamines / Q000096:biosynthesis; D003216:Conditioning, Operant / Q000187:drug effects*; D004298:Dopamine / Q000378:metabolism / Q000502:physiology*; D006801:Humans; D008960:Models, Psychological; D009020:Morphine / Q000494:pharmacology*; D011600:Psychopharmacology; D013375:Substance Withdrawal Syndrome / Q000378:metabolism; D013997:Time Factors
chemical_list: D002395:Catecholamines; D009020:Morphine; D004298:Dopamine