PSYCH 315 Lecture Notes - Lecture 1: Drug Paraphernalia, Drug Tolerance, Myelin

• School: Iowa State University
• Department: Psychology
• Course: PSYCH 315
• Professor: Martin Acerbo

Document Summary

Any small molecule that when introduced into the body alters the body"s function by interacting at the molecular level. +whether something"s a drug depends on the user"s intention. +most drugs are sold in milligrams. (28 milligrams an ounce. ) +concentration is given by milligrams of drug per kilogram of bodyweight. Indicate the amount of behavioral effect for a given drug concentration. Ed50 indicates the dose that produces half of the maximal effect. Drug"s potency: is the absolute amount of the drug necessary to produce a specific effect. Efficacy is the total amount of response that a drug can produce. Competition for the binding site of the receptor. Noncompetitive antagonists bind to different sites receptor preventing the actions of the agonist. +by altering the structure of the receptor or membrane. +by interfering with the intracellular signal of the receptors. Possible results of the interaction of two drugs. +drugs that act in different manner but interact in their behavioral effects.