PSY 202 Lecture Notes - Lecture 5: Binge Eating Disorder, Bariatric Surgery, Bulimia Nervosa
17 Apr 2016
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*assignment should be posted today during the break* + started 15 minutes late. What factors create hunger and control eating: internal factors. Brain monitors stomach fullness, chemical signals (e. g. glucose and insulin) Bariatrics studying the loss of weight in people through bariatric surgery: external factors. Eating habits involving times, places, kinds of food you"re used to can affect food choices (includes cultural differences in eating customs) Food cues can trigger eating as well, even when a person does not physically need food (includes sigh, smell, past associations) Set point: natural body weight, perhaps produced by genetic factors, the body seeks to maintain. Weight loss below a person"s set point is often regained. Number of fat cells, metabolic rate may contribute to set point. Biological and psychological factors contribute, including set point, eating habits, stress levels. Anorexia nervosa: otherwise healthy persons, refuses to maintain a normal weight because of intense fear of overweight (they appear extremely thin + hair loss)
