PSYC 3604 Lecture Notes - Lecture 8: Problem Gambling, B Symptoms, Reward System
14 Dec 2015
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Psyc 3604a nov 12 th lecture (part 3) All psychoactive drugs have both physiological and psychological effects that cannot easily be separated. Addiction: refers to the state where the body requires drug in order to feel normal. Tolerance: with continued usage, the body begins to require larger doses of the drug in order to produce the same level of effect as was previously attained through a lower dose. Physical dependence: the body has become accustomed to the presence of the drug, and when the drug is discontinued it produces a withdrawal effect. Psychological dependence: desire to continue the drug for it"s emotional effects 0 refers to the user"s tendency to center life on the drug. Dsm divides substance-related and addictive disorders into two: substance use disorders, substance-induced disorders (i. e. intoxication, withdrawal) The substance-related disorders involve 10 different classes of groups drugs: alcohol, caffeine, cannabis, hallucinogens, inhalants, opioids, sedatives, hypnotics and anxiolytics, stimulants (cocaine, amphetamines, etc, tobacco, other substances.
