Psychology 1000 Chapter 12: psych 1000 chapter 12
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Motivation: refers to a process within a person or animal that causes that organism to move toward a goal or away from an unpleasant situation. Intrinsic motivation: the pursuit of an activity for its own sake. Extrinsic motivation: the pursuit of an activity for external rewards such as money or fame. Set point: the genetically influences weight range for an individual; it is maintained by biological mechanisms that regulates food intake, fat reserves and metabolism. The usual form of the gene called obese causes fat cells to secrete a protein which researches have named leptin. Bulimia and anorexia are the most well-known eating disorders and occur most often among young white women. Bulimia: characterized by episodes of excessive eating followed by forced vomiting. Anorexia: fear of being fat, a distorted body image, reduced consumption of food. What theory seems to explain why thin people rarely come fat and fat people have so much trouble losing weight? (set-point theory)