PSYC 2307 Lecture Notes - Lecture 7: Active Transport, Circadian Rhythm, Latrotoxin
30 Sep 2016
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Wednesday, september 28th & friday, september 30th, 2016. In order for substance to be defined as drug, must produce some effect upon living tissue. Drug affecting tissues of nervous system = nervous system agent. Any chemical capable of changing physiological condition of processes of neural communication. Typically dose dependent i. e. , they have diff effects upon nervous tissue depending on route of delivery, delivered amount & time-course of action. Function relating dose level of drug to drug"s effect on nervous system and/or other body tissues. Therapeutic or effective dose or concentration (e. g. , ed50, ec50) Toxic dose (e. g. , td50), lethal dose (e. g. , ld50) Therapeutic effects intended consequences on ns of nervous system agent (aka drug. Side effects unintended consequences on ns of nervous system agent. Placebo effect tends to work best" on subjective symptoms, such as pain. Drug safety therapeutic index (*graph in lecture slide*) Agonist: nervous system agent facilitating synaptic communication b/w neurons: 2 types:
