PSYC 2800 Lecture Notes - Lecture 9: Pharmacodynamics, Diazepam, Pharmacokinetics
18 Dec 2016
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Document Summary
Most drugs come from plants or are chemically derived from plants. The pharmaceutical industry in canada is one of the most profitable industry sectors after oil and gas extraction with a spectacular growth. Chemical name: complete chemical description of the molecule. Generic name: official (legal) name, listed in the compendium of pharmaceuticals and. Brand name: specific drug or formulation trademarked by manufacturer; can be patented for 20 years: example: valium. Stimulants: produce wakefulness, a sense of energy. Some drugs gave effects typical of more than one category: marijuana, nicotine. Cocaine is the preferred injectable drug among canadian street youth. Withdrawal from chronic stimulant: deceased synaptic availability of dopamine (da) and serotonin (5-ht, da, 5-ht associated with a constellation of symptoms, drug craving, and relapse. Da dysfunction: underlies anhedonia (the inability to experience pleasure from what were enjoyable experiences, psychomotor disturbances. 5-ht dysfunction: depressed mood, obsessive thoughts, lack of impulse control, protracted withdrawal phenomena are thought to contribute significantly to relapse.
