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Eating Disorders

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Psychology 3310F/G
Peter Hoaken

Bulimia Nervosa Recurrent episodes of binge eating Including o Eating in a discrete period an amount of food that is larger than most people would eat during a similar period o A sense of lack of control during the episodeRecurrent inappropriate compensatory behaviorThe binge eating and compensatory behaviors occur at least twice a week for 3 monthsSelfevaluationPurging type is more common non purging type accounts for 68 o Comorbid depression alcohol use rates of other disorders o Purging only reduces about 50 of whats eaten and only if you do it right awayAnd there are a lot of comorbid consequences of itDepression usually follows bulimia and comes as a reaction to itWomen 9095Difference between gender PerfectionismAge of onset usually 1619 yearsMost people who seek treatment are in the purging subtypeRisk higher for females born after 1960Strongest predictors of persistence o Childhood obesity o Overemphasis on being thinAnorexia Nervosa a nervous loss of appetitehowever people with anorexia nervosa still have an appetite they think about food all the timeDSMIV Criteria Refusal to maintain body weight at or above a minimally normal weight for age and heightIntense fear of gaining weight or becoming fatDisturbance in the way in which ones shape is experienced undue influence of shape on selfevaluation or denial of the seriousness of the current low body weightIn postmenarcheal females amenorrhea Type Restricting TypeBingeeatingpurging time9095 Female onset in adolescenceMedical complicationssigns o Brittle hair nails o Sensitive to cold temperatures
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