PSYB32H3 Lecture Notes - Cyclazocine, Comorbidity, Amnesia
Document Summary
Characterized in the dsm-iv-tr as the presence of at least 3 of the following: Development of tolerance by either: larger doses of the substance being needed to produce the desired effect, effects of the drug becoming markedly less if the usual amount is taken. Withdrawal negative physical and psychological effects. Develop when the person stops taking substance or reduces the amount. May also use the substance to relieve or avoid withdrawal symptoms. Person uses more of the substance or uses it for a longer time than intended. Person recognizes excessive use of the substance may have tried to reduce usage but has been unable to do so. Much of the person"s time is spent in efforts to obtain the substance or recover from its effects. Substance use continues despite psychological or physical problems caused or exacerbated by the drug. Ex: smoking despite knowing that it increases the risk for cancer)
