Reinforcement and the combination of effects: summary of a theory of opiate addiction.
D000818:Animals; D003216:Conditioning, Operant / Q000187:drug effects; D005059:Euphoria; D005260:Female; D006801:Humans; D007206:Individuality; D008297:Male; D051379:Mice; D008960:Models, Psychological; D009293:Opioid-Related Disorders / Q000209:etiology* / Q000523:psychology; D010551:Personality; D051381:Rats; D012054:Reinforcement, Psychology; D012649:Self Concept; D013375:Substance Withdrawal Syndrome / Q000503:physiopathology