Eating disorders

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  • Created by: L.eve
  • Created on: 07-01-21 20:50
What are the key features of anorexia?
Restrict behaviour that promotes healthy body weight, fear of weight gain, disturbed perception.
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How does DSM-5 categories AN?
Significantly low BMI due to restriction of food, fear of becoming fat, have a distorted view of themselves.
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What are the two types of AN?
Restricting type-stereotypical view of AN, Binge-eating-regularly engages in binge eating eg self induced vomiting. The peak age is 15-19, comorbidity-depression, OCD, schizophrenia, substance abuse.
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What are the physical consequences of AN?
Kidney, GI problems, hair loss, reduced testosterone, reduced oestrogen, recovery is slow, 50-70% recover.
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What are the key features of Bulimia?
Recurring episodes of binge-eating, engaging in behaviour to prevent weight gain, persistent concern with self-image.
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How does DSM-5 categories bulimia?
Eating a large amount of food in a short period of time, occurs once a week, lack of control, self-induced vomiting. 1-2% of population, 4x more common than AN.
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What are the physical consequences of bulimia?
Complications due to vomiting, mortality rate 4%, 75% recovery rate.
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What are the key features of binge-eating disorder?
Repeated binge-eating episodes, stockpiling food, stress relieved by eating, commonly obese, women 3.5%, men 2%, adolescents 1.6%
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How does DSM-5 categories binge-eating disorder?
At least 1 episode per week for >3 months, eating quicker than normal, eating until uncomfortable, feeling disgusted with oneself.
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What are the physical consequences of binge-eating disorder?
Anxiety, depression, sleep problems, IBS. Recovery rate 25-82%, average 14 year duration.
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How to control appetite
Drive system involved in motivation to seek
food & eat, top-down control which has appetite within life goals meaning and life goals.
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What biological problems are involved with AN, BN etc?
Hypothalamus & brainstem regulate food intake based on caloric need & energy (Arora 2006), serotonin is underactive in AN & BN (Goodwin et al 1987). Dopamine decreased in BN, increased dopamine in BED (Wang et al 2011). Cortisol plays an important role in
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What psychological risk factors are there?
Impulsivity predicts the development of BN, BED & AN binge, low self esteem, competitiveness, difficulty coping with feelings.
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What environmental risk factors are there?
Being bullied, critical comments, parenting
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What social-culture risk factors are there?
Social pressures to be thin, worries about weight, increased dieting, integrated model (complex interaction of factors).
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What treatment is there for eating disorders?
SSRIs reduce binge-eating & reduce calorie intake, AN often don't want therapy as they don't want to gain weight, CBT, family-based therapy-parents in charge of eating habits (75-90% recover). Focus on reward & serotonin.
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How does DSM-5 categories AN?

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Significantly low BMI due to restriction of food, fear of becoming fat, have a distorted view of themselves.

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What are the two types of AN?

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Card 4

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What are the physical consequences of AN?

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Card 5

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What are the key features of Bulimia?

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