PSYC 2030U Lecture Notes - Lecture 5: Substance Intoxication, Psychoactive Drug, Opioid Use Disorder
Document Summary
10 different classes alcohol, caffeine, hypnotics, stimulants, tobacco some do overlap. All drugs are taken in access and have a direct effect on brain"s reward system commonality with disorders. Where is the line between use and abuse: not always clear cut. Terms: drug any substance other than food that affects our bodies or minds. May not be medicinal, doesn"t have to be illegal. Synonymous with substance: addiction impaired control over the use of a chemical substance, accompanied by physiological dependence. Physical dependence person"s body now needs constant stream of that drug to function properly if they stop taking, will experience withdrawal. Possible to be physically dependent, and not psychologically dependent: psychological dependence compulsive use of a substance to meet a psychological need. The compulsion to meet psychological needs with substance. Can be psychologically dependent and not physically dependent. Dsm-5 - substance-related and addictive disorders: substance-induced disorders induced by using psychoactive substances (e. g. , intoxication & withdrawal)
