PSYC 1002 Chapter Notes - Chapter 10: Electrodermal Activity, Semen, Blood Sugar
3 Feb 2017
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Motives: needs, wants, and desires leading to goal-directed behavior. Expectancy abt one"s chances of attaining the incentive. Evolutionary theories: human motives & those of other species are the products of evolution, natural selection favors behaviors that maximize reproductive success, describe affiliation, achievement, dominance, aggression, and sex drive w/ this perspective. The range & diversity of human motives: humans display an enormous diversity of motives, most theories distinguish b/w biological motives and social motives, limited # of biological needs. Biological factors in the regulation of hunger: brain regulation. Experience of hunger is controlled in the hypothalamus. Hypothalamus: tiny structure involved in the regulation of a variety of biological needs related to survival. Lateral hypothalamus and ventromedial nucleus of the hypothalamus are elements in the neural circuitry that regulates hunger. Arcuate nucleus and paraventricular nucleus also play sig"t roles. Contemporary theories focus more on neural circuits: glucose & digestive regulation. Most food is converted into glucose, which circulates in the blood.
