PSY 1101 Lecture Notes - Lecture 17: Psilocybin Mushroom, Hallucinogen, Reinforcement

• School: University of Ottawa
• Department: Psychology
• Course: PSY 1101
• Professor: Kenneth Campbell

Document Summary

Potency of lsd has decreased dramatically from 1960"s to today. Similar in chemical structure to serotonin (5-ht) Many cultural, ethnic, religious and racial differences. A crime (in most of) u. s and canada. In the netherlands and spain possession of small quantities of. Sharp drop in usage of heroin and marijuana, deaths from heroin have halted, crime rates much lower. Crime rates (esp. violent crime) has dropped. Many countries: recreational use is detrimental to society and. Most goverments and the who classif drugs absed on the harm. Degree of risk determines penalties for possession. Dependence related: intensity of pleasure, dependence. The response to a repeated, constant stimulus becomes smaller. This could be a result of adaptation or habituation. Habituation involves the formation of a memory of the features of the stimulus. Features of incoming stimulus compared to what exists in memory. If they match response will be smaller and eventually not occour. Involves the formation of new memories and learning.