PSY 1101 Study Guide - Midterm Guide: Psilocybe, Peyote, Morphine

• School: University of Ottawa
• Department: Psychology
• Course: PSY 1101
• Professor: Najwa Haddad

Document Summary

Psychoactive drugs: change perception of external (and internal) environment, perhaps change mood. Tolerance: with repeated use, tolerance develops, a larger dose is required to produce the same effect, withdrawal (craving for drug, physical dependence (physical addiction). Physical pain, craving for drug: psychological dependence (psy. addiction). Inhibit neural functions (alcohol, barbiturates, opiates: stimulants ( uppers ). Barbiturates (tranquilizers: prescribed to induce relaxation and sleep, in large doses, will impair memory and judgment, can kill (especially in large doses) or in combination with alcohol. This may be related to over-prescription of opiate-related pain killers. Users can become addicted to these pain killers, then switch to street drugs such as heroin. Stimulants: excite sympathetic nervous system; cortical arousal, stay awake; lose weight; boost mood, athletic performance, crash (agitation, depression) after rush (especially for cocaine & mdma because of depletion of neurotransmitters). Cocaine, crack: usually sniffed ( snorted ) or injected or smoked (especially crack).