Psychology 1000 Lecture Notes - Lecture 7: Barbiturate, Caffeine, Morphine

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

3 main categories of psychoactive drugs: depressants, stimulants, hallucinogens. Depressants are drugs that lower your body"s basic functions and neural activity, ex. The most popular depressant is alcohol: think more slowly, disrupt rem sleep (and form memories), removes your inhibitions. Barbiturates used to induce sleep or reduce anxiety. Depress your cns: side effects are reduced memory, judgement and concentration, with alcohol can lead to death (most drugs w/ alcohol are bad) Sleep aids or anti-anxiety: enhance your brain"s response to gaba. They open up gaba-activated chloride channels in your neurons, and make neurons more negatively charged: 3 types: short, intermediate, and long-acting. Short and intermediate are usually for sleep, while long acting are for anxiety. Opiates are used to treat pain and anxiety. Range from caffeine to cocaine, amphetamines, methamphetamines, and ecstasy. Caffeine (inhibits adenosine receptors) can disrupt your sleep.