PSYB65H3 Lecture 7: PSYB65 LECTURE 7
Document Summary
Varies by country, year/decade; example codeine over the counter in canada & prescription in us; year = smoking restriction; marijuana being legalized. Most drugs if taken repeatedly, you get a decreasing behavioral effect, when you repeatedly take the same drug; most drugs are that way. Not all drugs e. g. marijuana, become sensitive. Same thing happens for depressant mechanism is decreasing the functional activity, decreasing the activation of postsynaptic cell, will start to increase the number or sensitivity of the postsynaptic receptors to compensate. As general rule, the more rapid the effect of the drug the more addicting it is; alcohol = drunk, cocaine = high: not the chemical, depends on how you administer the drug (e. g. cocoa leaves v. s. cocaine) Most mild drug, found in coffee and tea. Different levels of caffeine; tea has approximately half amount of caffeine than coffee. All stimulants cause an arousal/shift in cortical eeg, also inhibits sleep (common factor in stimulants)
