PSY346H5 Lecture Notes - Lecture 8: Neurotransmission, Morphine, Hypothermia
Document Summary
Wednesday, november 18, 2015: recognition of negative consequences: they recognize the negative consequences of the drugs, but they continue to use the drug anyway. Behavioural indication of tolerance in rats: there was an experiment in which the researchers gave morphine to a rat, and he looked at latency. Tolerance to alcohol-induced hypothermia: alcohol contributes to changes in the body temperature: at the time of injection the body temperature has been 37 degrees. The symptoms have never met the criteria for substance dependence. Drug addiction is an evolutionary paradox: people have been wondering why are people becoming addicted to something that is really bad for us, and they have been. People become addicted to all the things below, and some drugs may actually trigger these: Eating good food: pleasurable and it also increases our survival. Sex: pleasurable and absolutely relevant in evolutionary context (reproduction)
