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PSYC203-Eating Disorders.docx

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University of Otago
Dione Healey

PSYC203- Eating and Body Image: Abnormality of Self-Acceptance?  Body Image and Eating Why are body image and eating a concern in psychology? -These are universal considerations because: -We all are a body - We all require nutrition = Entirely normal but can become abnormal - Abnormalities of over-eating or under-eating  Standard BMI Categories -Used to define “normal” weight -Calculated as the ratio of weight to height squared: - Under 18.5 kg/m2 = “underweight’ - 18.5 kg/m2 – 25.0 kg/m2 = “normal” weight - 25.0 kg/m2 – 30.0 kg/m2 = “overweight” - Over 30.0 kg/m2= “obese”  Defining Eating Disorders -Anorexia: Literally meaning “No desire” (to eat) - Bulimia: Literally meaning “really hungry” - Nervosa: Literally meaning “nervous in origins” (Hence anorexia nervosa or bulimia nervosa) - Binge: “a bout of over-indulgence”  Binge-Eating Disorder Criteria -Five criteria: A. Recurrent episodes of binge eating (amount + control) B. Binge eating = three or more of: 1. Eating much more rapidly than normal 2. Eating until feeling uncomfortably full 3. Eating when not “physically hungry” 4. Eating alone (knowing the binge is abnormal) 5. Feeling guilty afterwards C. Marked distress regarding binge eating = functional impairment D. Average binge frequency must be: - At least once a week -For 3 months or more *Only in the evening – night eating syndrome E. No regular use of inappropriate compensatory behaviours  Limitations of BMI Categories - Treats obesity as a disorder in itself -Is obesity just a symptom rather than a disorder? - Obesogenic environment can lead to obesity -Psychological disorder can lead to obesity
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