PSYC 235 Lecture Notes - Samurai Shodown, Opioid, Caffeine

• School: Queen's University
• Department: Psychology
• Course: PSYC 235
• Professor: Christopher Bowie

Document Summary

Stimulates the central nervous system, specifically nicotinic acetylcholine receptors. Results in sensations of relaxation, wellness, pleasure nicotine is highly addictive: dsm- iv criteria for nicotine withdrawal only. Nicotine users dose themselves to maintain a steady state of nicotine. Found in tea, coffee, cola drinks, and cocoa products. Small doses elevate mood and reduce fatigue. Regular use can result in tolerance and dependence. Opioids: the nature of opiates and opioids (i. e. , pain relief) Opiate natural chemical in the opium poppy with narcotic effects. Opiods refers to a class of nature and synthetic substances with narcotic effects. Such drugs are often referred to as analgesics. Examples include heroin, opium, codeine, and morphine: effects of opioids. Low doses induce euphoria, drowsiness, and slowed breathing. Withdrawal symptoms can be lasting and severe. Substances that change the way the user perceives the world. May produce delusions, paranoia, hallucinations, and altered sensory perception. May produce several symptoms (e. g. , mood swings, paranoia, hallucinations)