PSYC 2000 Chapter : Motivation Part 1
Document Summary
Objectives; define motivation, describe and distinguish the various motivation theories, emphasize on instinct, drive-reduction, needs, and arousal theories. Many theories of motivation: instinct theory, drive reduction theory, needs theory, arousal theory, incentive approaches, hierarchy of needs, self-determination theory. Pros and cons to instinct approaches: describes human behavior, but does not explain why such behaviors exist, forced psychologist (behaviorists) to acknowledge the importance of hereditary factors. 2: responds to levels of glucose and insulin in the body, ventromedial hypothalamus (vmh): stops eating when glucose levels are high. Without it, overeating: lateral hypothalamus (lh): starts eating when insulin levels are high. Without it, no eating to starvation: weight set point: the particular level of weight that the body tries to maintain, basal metabolic rate (bmr): the rate at which the body burns energy when the organism is resting. Obese lab rat: the fatter rat has reached a high level of obesity because its ventromedial hypothalamus has been deliberately damaged in the lab.
