Psychology 2020A/B Study Guide - Midterm Guide: Axon Terminal, Drug Tolerance, Receptor Antagonist

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Document Summary

Psychoactive effects: alterations in cognitive, behavioural, and motor processes ex- eurphoria, hallucinations, increased libido. Pharmacodynamics: how drugs assert your receptors from administration to how they leave. How long it takes to kick in, is usually how long it lasts for. Chemical type of molecule and the location of chemical groups on the molecule. Ex- 1. 3. 7 trimethylxantine, the chemical name for caffeine. Helps in understanding how drugs are related (morphine and heroin are two acetyl groups apart, meaning heroin more rapidly enters the brain, is more rewarding and addictive) Can be used by any company marketing the drug. Given by a company and can only be used by that company. Are often derivatives or trade names or refer to some aspect of the drug. Must pass from stomach or small intestines into the bloodstream. Since stomach is so acidic, most drugs are destroyed here. Drugs that are alkaline, become ionized in the stomach and cannot pass out in the bloodstream.