Psychology 2220A/B Lecture 8: Lecture 8

• School: Western University
• Department: Psychology
• Course: Psychology 2220A/B
• Professor: Jody Culham

Document Summary

Thc and psychosis: high potency cannabis can induce psychotic episodes paranoia, chronic use can leads to increased risk of psychosis, schizophrenia, particularly in youth, counteracted by cbd. Caffeine: most widely taken drug in the world 80% of population, adenosine is a neuromodulator neuromodulators affect the release of. Inhibition of inhibition = excitation: caffeine affects adenosine, blocking it, and then adenosine inhibits epinephrine from being released. Cocaine: stimulant, coca leaves, cocaine is typically snorted, sometimes injected, crack cheap, smokable, impure cocaine, enters the system rapidly, more addictive than cocaine, can lead to cocaine psychosis. Opiates and opioids: opiates are derived from opium poppy, morphine, codeine, heroin, opioids are synthetic (man-made, oxycontin pain killer used for patients, fentanyl, sometimes called narcotics. Opioid receptors: also like key and lock system, opioid work on endorphins (involved in pain regulation) Ecstasy: mdma, originally used for couples therapy, varied effects, stimulant: energy and alertness, empathy and good feelings.