PSYC 2030U Lecture Notes - Lecture 5: Methadone, Peer Pressure, Cannabis Sativa
Document Summary
Lecture 5, substance related and addictive disorders, abnormal psychology, july 13th 2016. Drug any substance other than food that affects our bodies or minds. Addiction impaired control over the use of a chemical substance, accompanied by physiological dependence. Tolerance the brain & body"s need for ever larger doses of a drug to produce earlier effects. Physiological dependence (aka chemical or physical) a condition in which the drug user"s body comes to depend on a steady supply of the substance. Psychological dependence compulsive use of a substance to meet a psychological need. The two diagnoses for substance-related disorders in the dsm-5 are: Substance-induced disorders induced by using psychoactive substances (e. g. , intoxication & withdrawal) Substance-use disorders patterns of maladaptive use of psychoactive substances that lead to significant levels of impaired functioning or personal distress. Substance intoxication a pattern of repeated episodes of intoxication, which is a state of drunkenness or of being high.
