PSY 460 Lecture Notes - Lecture 2: Cannabis Sativa, Aerosol Spray, Cardiac Arrhythmia
Document Summary
Depresses or slows the sympathetic impulses of the central nervous system (ex: respiratory rate, heart rate) which can induce sedation, drowsiness, and coma. Some are primarily used to cure rapid heart beat and physical effects. The drugs depress the cns and are dangerous/fatal. Fatal doses are only 10-15 times the therapeutic dose. There is a synergistic effect with other drugs. Tolerance develops very rapidly: start using drugs and your body needs more of it. Cross-tolerance: your tolerance for one substance can be affected when you start to mix it with a tolerance for another substance. Withdrawal symptoms: anxiety, irritability, and loss of appetite, tremors, insomnia, and seizures. Excites any bodily function; speeds everything up including mood, alertness, wakefulness, increased speech and motor activity, decreased appetite. Common: cocaine/crack, amphetamines (meth, dexedrine), caffeine, nicotine, otc diet pills that contain phenylpropanolamine. Overdose: can result in the body experiencing hunger, thirst, or fatigue.
