PSYC 3140 Lecture Notes - Alcohol Intoxication, Binge Drinking, Chronic Respiratory Disease
13 Apr 2013
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Document Summary
A substance is any natural or synthesized product that has psychoactive effects it changes perceptions, thoughts, emotions, and behaviours. Tobacco, alcohol, and cannabis are common substances (us and can): cocaine use = higher in us; lsd use = higher in can. Men are more likely than women to use an illegal drug in their lifetime: women, however, are more likely to become dependent on it. A substance-related disorder occurs when the use of a substance leads to significant problems in everyday functioning; i. e. , shirking responsibilities, acting impulsively, endanger their own lives, etc. There are four types of disorders recognized by the dsm: substance intoxication, substance withdrawal, substance abuse, and substance dependence. Drugs are classified into five categories: cns depressants (alcohol, barbiturates, benzodiazepines, and inhalants), cns stimulants (cocaine, amphetamines, nicotine, and caffeine), opioids (heroin and morphine), hallucinogens and phencyclidine (pcp), cannabis. There is a mixed group of drugs (club drugs), which includes: ecstasy, ghb, ketamine, and rohypnol.
