PSYC*3140 Lecture Notes - Lecture 9: Delirium Tremens, Fetal Alcohol Spectrum Disorder, Anxiolytic
Document Summary
Tolerance: greater amounts of drug needed to experience same effect; Withdrawal: negative physical response when the substance is no longer ingested. Physiological dependence: behavioral reactions to substance dependence. Substance use might occur concurrently with other disorders. Drug intoxication and withdrawal cause increased risk-taking. Concurrent disorders: the rule rather than the exception! Depressant, inhibitory centres in the brain are depressed, or slowed. Continued drinking depresses more areas of the brain. Delirium tremens (dts): frightening hallucinations and body tremors. Fas: affects child whose mother drank while she was pregnant. 23% canadians exceed low-risk guidelines for alcohol consumption. Single males most likely to be heavy drinkers. Early consumption can predict dependence in later years. Derived from leaves of the coca plant. Coca-cola contained 60 mg of cocaine per 240ml until 1903. Clinical description: increases alertness, blood pressure; causes insomnia. Nicotine in tobacco is a psychoactive substance. Genetic vulnerability and life stresses combine vulnerability to nicotine use and depression.
