A theory of opioid dependence.
D000818:Animals; D003214:Conditioning, Classical; D005059:Euphoria; D006167:Guilt; D006556:Heroin Dependence / Q000209:etiology / Q000523:psychology; D006791:Hostility; D006801:Humans; D008658:Inactivation, Metabolic; D008297:Male; D008960:Models, Psychological; D009293:Opioid-Related Disorders / Q000209:etiology* / Q000523:psychology; D010551:Personality; D051381:Rats; D012054:Reinforcement, Psychology; D013375:Substance Withdrawal Syndrome / Q000503:physiopathology