PSYC 2110 Lecture Notes - Lecture 10: Respiratory Center, Central Nervous System Depression, Anxiolytic
Document Summary
May interfere with judgement, motor activity, and concentration. Overdose (most immediate danger); causes the closing down of the brain"s respiratory center, paralyzing breathing. Ignorance of tolerance (especially if starting up the drug again after a period of sobriety; typically occurs when the user resumes at the dosage they last ended with, which overwhelms the body). Later symptoms : twitching, aches, fever, vomiting, diarrhea, weight loss (from dehydration). After a few weeks, users may develop opioid use. Made from the sap of the opium poppy. Bind to the receptors in the brain that receive. Endorphins (neurotransmitters that naturally help relieve pain and decrease emotional tension). Produces a quick rush, followed by several hours of pleasurable feelings (due to cns depression). Absorbed in the stomach and goes directly into the bloodstream, then to cns. Helps gaba (inhibitory messenger) shut down neurons (causes relaxation). Levels of impairment are closely tied to the concentration of ethyl alcohol in the blood (bac)
