PSYCH 101 Lecture Notes - Lecture 6: Communication, Facial Feedback Hypothesis, Autonomic Nervous System
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PSYCH 101 Full Course Notes
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Physiology of hunger: metabolism the body"s rate of energy utilization (basal metabolic rate, changes in glucose supply provide a signal that helps brain regulate hunger, lateral hypothalamus brings on hunger, ventromedial hypothalamus depresses hunger. Psychological aspects of hunger (motivators: example: clean plate club, tv snacking. Environmental and cultural factors (motivators: cultural norms example: time of day, food availability, taste, sight, and smell example: movie popcorn. Eating disorders: obesity 60% of americans overweight. Number of fat cells increase, insulin levels increase. Genetic tendencies in energy storage (fat versus lean tissue) Technology decreases amount of energy expenditure: anorexia nervosa intense fear of being fat. 5-10% mortality rate; 1% of population: bulimia nervosa binging and purging. Premarital sex: changing social norms, delayed marriage. Physiology of sex: sexual response cycle masters & johnson 1950s: then tests on physical aspects of sex. Orgasm areas controlling fear (amygdala) becomes less active. Psychology of sex: arousal begins with desire and sexual stimulus, sexual fantasy affects physiological functioning.
