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Sympathetic Nervous System Psychology and Biology Study Notes

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Action potential:The action potential threshold in a neuron is the point of depolarization at which the neuron fires, transmitting information to another neuron. Psychologists use the concept of action potential threshold to explain how neurons send information to each other. Adaptation: an adjustment of the senses to the level of stimulation they are receiving Alcohol: depressant that is the intoxicating ingredient in whiskey, beer, wine, and other fermented or distilled liquors. - Excessive, chronic use can harm virtually every organ in the body, beginning with the brain. - After AIDS, alcohol is the leading contributor to death among young people. - Alcohol affects various regions of the brain, and in large quantities, can cause death from alcohol poisoning. - Despite its dangers, alcohol remains popular because of its short-term effects. It calms the nervous system, causing users to relax or elevating their mood. It can also make people feel more courageous, less inhibited, more spontaneous, and more entertaining. - Binge drinking occurs frequently on college campuses because they are among the few places where drunkenness is tolerated and often expected. Anosmia: the loss of t ...
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Really useful study material!

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