PSYC*3150- Final Exam Guide - Comprehensive Notes for the exam ( 33 pages long!)
Document Summary
Drug misuse: use more than prescribed, use for purposes other than intended. Drug abuse: depends on amount and manner, has social, physical, psychological or job consequences. Involves different mechanisms: dispositional: regular use, increase metabolism, need more, functional: cnvs is less sensitive, behavioural: adjustment and compensation. Mechanism of action: drug effect (depresses cnvs and decreases appetite) Trends in canada: drug use: 20% of teens took a prescription drug in the past year to get high, 77. 1% pse students (alcohol); 12. 7% (tobacco), less than 20% (marijuana); less than 3% (illicit drugs) Impulsivity: experimentation and initiation vs. problem use. Examples of nts are dopamine, serotonin, and acetylcholine: nts play a role in many disorders such as depression, alzheimer"s, and. Parkinson"s: have most of neurons at birth but continue to make new in adulthood (neurogenesis, while most drugs suppress neurogenesis, cannabis can promote it. Neurons: individual nerve cells that are building blocks of nvs.
