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Eating Disorders

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PSYC 3140
Joel Goldberg

Lecture: Anorexia Nervosa:  Anorexia-physiological-decreased appetite  Nervosa-psychological-causation  Refusal to maintain body weight(<85% of expected weight OR BMI<17.5)  Intense fear of gaining weight or becoming fat, even though underweight  Disturbance in the way in which one’s weight/shape is experiences o Or undue influence of weight/shape on self-evaluation; o Or denial of seriousness of low body weight  Amenorrhea in women (absence of at least 3 consecutive menstrual periods) Subtypes of Anorexia Nervosa:  Restricting subtype (AN-R): person has not regularly engaged in binge-eating or purging behaviour  Binge-eating/purging type (AN-B/P): the person has regularly engaged in binge-eating or purging behaviour Bulimia Nervosa  Recurrent episodes of binge eating  Recurrent inappropriate compensatory behaviour in order to prevent weight gain  The binge eating and compensatory behaviours both occur, on average, at least twice a week for 3 months  Self-evaluation is unduly influenced by body shape/weight Eating Disorder-not otherwise specified (ED-NOS)  Meet all AN criteria, except have regular menstrual period  Meet all BN criteria, except frequency of binge or compensatory behaviour is less than twice per week or less than 3 month duration Binge Eating Disorder  Individuals are typically overweight  Having eating bingers but NOT the inappropriate compensatory behaviour (no self-inducing vomiting)  Likely will be a disorder in DSM-5, currently in appendix Eating Disorders-Causes and Risk Factors:  Age (mid-adolescences to young adulthood)  Sex (more women than men)  Adverse life events (abuse and trauma)  Weight concerns, dieting and body dissatisfaction  Family dynamics  Personality (perfectionism, impulsivit
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