PSYC 3170 Chapter Notes - Chapter 7: Classical Conditioning, Blue-Collar Worker, Inuit
20 Sep 2017
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Substance use and abuse: substance abuse, addiction and dependence. Addiction: a condition, produced by repeated consumption of a natural or synthetic psychoactive substance, in which the person has become physically and psychologically dependent on the substance. Physical dependence: exists when the body has adjusted to a substance and incorporated it into the normal functioning of the body"s tissues. Tolerance: the process by which the body increasingly adapts to a substance and requires larger and larger doses of it to achieve the same effect. Withdrawal: unpleasant physical and psychological symptoms people experience when they discontinue or markedly reduce using a substance on which they have become dependent. Psychological dependence: a state in which individuals feel compelled to use a substance for the effect it produces, without necessarily being physically dependent on it. Positive reinforcement: the consequence is an event or item the individual finds pleasant or wants that is introduced or added after the behaviour occurs.
