PSY 1101 Midterm: Revision 4.3 (Drugs) (All you need to know for midterms)

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

Document Summary

Larger dose is required to produce the same efect. Physical dependence (physical addicion) physical pain, craving for drug. Psychological dependence (psychological addicion) drug can act either posiive/negaive reinforce. Repeatedly used for: pleasure / relief of negaive emoions. Tolerance is not experienced equally throughout all parts of body. While one part of the brain (the pleasure centre ) will require more of the drug to get efect, another part (e. g. cardio-vascular control) cannot tolerate ( ) the increase dose. Negaive tolerance: a lower dosage is required to obtain the same iniial efect. Because some drugs linger in the body for very long ime, especially hallucinogens (e. g. lsd) Not all psychoacive drugs lead to addicion; for some, there is no addicion (e. g . lsd) Even some highly addicive drugs (alcohol, cocaine, heron), only 10% will show addicion. People who use drugs medically do not usually become addicted to them. Sot drugs (marijuana, hash, etc) will not lead to hard drugs.