Hunger - Hunger 1. Describe the physiological determinants...

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Hunger 1. Describe the physiological determinants of hunger. Although the stomach's pangs contribute to hunger, variations in body chemistry are more important. We are likely to feel hungry when our glucose levels are low. This information is integrated by the hypothalamus, which regulates the body's weight as it influences our feelings of hunger and satiety. To maintain its set point weight, the body also adjusts its basal metabolic rate of energy expenditure. 2. (text and Close-Up) Discuss the impact of external incentives and culture on hunger, and describe the symptoms of anorexia nervosa and bulimia nervosa. External incentives, such as the sight and smell of food, can trigger hunger and eating, in part by stimulating a rise in insulin level. Although some food preferences are genetic, culture also affects taste. For example, most North Americans shun dog, rat, and horse meat, all of which are prized elsewhere, but welcome beef, which Hindus wouldn't think of eating. With repeated exposure, our appreciation for a new taste typically increases, and exposure to one
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This note was uploaded on 12/04/2011 for the course PSY 2012 taught by Professor Scheff during the Fall '08 term at Broward College.

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