PSYB32H3 Chapter Notes - Chapter 12: Alcohol Dependence, Insomnia, Tricyclic Antidepressant

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29 Apr 2011
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pathological use of substance falls into two categories: substance abuse and substance dependence: substance dependence is characterized by the dm4 as the presence of at least 3 of the following: person develops tolerance, indicated by either (a) larger doses of the substance being needed to produce the desired effects (b) effects of drug becoming markedly less if the usual amount is taken. withdrawal symptoms: negative physical and psychological effects- develop when the person stops taking the substance or reduces the amount. Person may also used substance to relieve or avoid these symptoms. person uses more of the substances or uses it for a longer time than intended. person recognizes excessive use of the substance; they may have t ried to reduce usage but unable to do so. much of person"s time is spent in efforts to obtain the substance or recover from its effects.

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