PSYC32H3 Lecture 1: PSY62H1 Lecture 1 - Introduction
Document Summary
Psy62: drugs & the brain lecture 1. Perception: processing of sensory information from sensory organs to the brain. Psychopharmacology: how drugs affect mood, perception, thinking, behaviour. Neuropsychopharmacology: extension of psychopharmacology, also looking at neurobiological system that mediates the changes in mood, perception, thinking, behaviour. Examples of drugs: antidepressant, cigarettes, caffeine, sugar & food, vitamins. Some of these things are not looked at as drugs until they become a tool of abuse, but they are scientifically in the way they effect your brain (psych, physical, etc) Instrumental use can turn into recreational use: e. g. : prescription turns to abuse. I(cid:374)stru(cid:373)e(cid:374)tal (cid:448)ersus re(cid:272)reatio(cid:374)al use: l d i(cid:374) (cid:374)atural heali(cid:374)g, (cid:448)ersus l d to hallu(cid:272)i(cid:374)ate for (cid:858)fu(cid:374)(cid:859) Drug abuse (cid:272)a(cid:374) e(cid:448)e(cid:374) (cid:272)ou(cid:374)t if (cid:455)ou get f(cid:859)d up o(cid:374)(cid:272)e a (cid:373)o(cid:374)th or e(cid:448)er(cid:455) so ofte(cid:374) Dose effect curve: effects at different doses until the maximum level. Ed50: where 50% of people took the drug achieved the desired effect.
