PSYC 370 Chapter Notes - Chapter 15: Peer Pressure, Dopaminergic Pathways, Chronic Obstructive Pulmonary Disease
9 Mar 2021
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Chapter 15- drug use, drug addiction, and the brain"s reward circuits. Basic principles of drug action: psychoactive drugs- drugs that influence subjective experience and behaviour by acting on the nervous system. Five commonly used drugs: tobacco, alcohol, marijuana, cocaine and the opioids. In buerger"s disease, the blood vessels, especially those supplying the legs become constricted. If they continue to smoke, gangrene may eventually set in: first few toes amputated, then the foot at the ankle, then the leg at the knee and ultimately at the hip. If they stop smoking, gangrene up the legs will be curbed: surgeons report that it is not uncommon to find patients smoking following a second or third amputation operation. Cocaine and other stimulants: stimulants are drugs whose primary effect is to produce general increases in neural and behavioural activity, cocaine is prepared form the leaves of the coca shrub, which grows primarily in western. Comparing the health hazards of commonly used drugs.
