BIOLOGY 25 Lecture Notes - Lecture 27: Motor Coordination, Benzodiazepine, Addictive Personality
Document Summary
Article: alcohol and the brain david nutt (1999: alcohol acts on brain enzymes and receptors transmitter. 5-ht works on gaba-interneurons the more 5htm the more gaba inhibition. Impairment of memory and body control: psychedelics. Lsd, mushrooms, ayuesca/dmt, peyote/mescaline, ibogaine: effect on serotonin receptors pro-social feeling, visual and transcendental experiences (rarely true hallucinations, visual distortions inspired by surroundings. Increase pricing: price regulates general alcohol consumption, excluding addicts. Increase tobacco price already reduced its consumption as people simply could not afford it any longer: restrict availability, availability has strong relationship with number of addichts. For majority, drug use does not lead to compulsive behavior: for minority, drug use leads to addiction. Three elements that affect whether person becomes addicted: drug related factors, how drug reaches brain, what it does when in brain. Push factors: noradrenaline, push and pull factors combined create sense of wanting drug, no matter the harm, dopamine.
