PSY 215 Lecture Notes - Lecture 1: Cannabinoid, Autoreceptor, Nicotine
Document Summary
Craving effects tend to last for a very long time after drug use. Withdrawal symptoms decline after days to weeks depending on the addictive drug of choice. Neural mechanisms: all drugs directly or indirectly influence da transmission, opioids, stimulants, hallucinogens, cannabis, alcohol, nicotine, Tolerance and withdrawal: repeated use of drugs leads to, tolerance: The fact that increasingly large doses of drugs must be taken to achieve a particular effect; caused by compensatory mechanisms that oppose the effect of the drug: withdrawal. The appearance of symptoms opposite to those produced by a drug when the drug is suddenly no longer taken; caused by the presence of compensatory mechanisms. Lecture 1: people that develop sud"s have abnormal pfc"s either from the drug or from genetic predisposition. The pfc is responsible for all executive functions and working memory processes. Produce inhibitory control over the mesolimbic circuit. Causes individuals to have reduced ability to use judgment to restrain impulses.
