PSYC 102 Lecture Notes - Lecture 8: Naturalistic Observation, Dental Caries, Bulimia Nervosa
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PSYC 102 Full Course Notes
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Anabolism - how we build up from simpler substances. Set-point theory - weight sensitive trigger: hunger increases (2x hormones, ghrelin: tells us when we are hungry, from stomach, leptin: tells us when we are full, released by fat cells. Travels through bloodstream to hypothalamus = full i. i: metabolic decreases. Different metabolisms burn at different speeds: breakfast, lunch, dinner. Overall, patients ate more than people with good memory -> memory related. 1: with familiar people, tend to perform better (eg. eating more at a party) Unit bias - tendency of individual to complete a unit of something, psychological need. Naples (1764) - potatoes sent over during famine from irish, but were unused. Maladaptive and persistent eating behaviours that negatively impact your health, emotions, ability to function in important areas of life. Social and cultural factors and genetics play a role: caucasian females most at risk from ages 13-19, restrictive eating/starvation, excessive exercise. Intense fear of gaining weight/drive for thinness.
