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Chapter 8

PSYC*3140 Chapter Notes - Chapter 8: Bulimia Nervosa, Binge Eating, Substance Abuse

Course Code
Richard Brown

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Chapter 8—Eating and Sleep Disorders
Abnormal Psychology
Pages 269-304
Eating disorders: an overview:
-Bulimia nervosa: out of control eating episodes or binges, are followed by self-induced
vomiting, excessive use of laxatives
-Anorexia nervosa: the person eats nothing beyond minimal amounts of food
Bulimia Nervosa:
Clinical Description:
- Individual attempts to compensate for the binge eating and potential weight gain, usually
by purging techniques
oSelf induce vomiting or laxatives
Medical Consequences:
- Salivary gland enlargement caused by repeated vomiting , which give the face a chubby
- May erode dental enamel
- Electrolyte imbalance can result in serious complications if unattended, such as kidney
- Develop more body fat even though they trying to avoid that
Associated Psychological Disorders:
- Additional disorders particularly anxiety and mood disorders
- Substance abuse usually accompanies bulimia
- Also borderline personality and impulse control disorders

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Anorexia Nervosa:
Clinical description:
- Have an intense fear of obesity and relentlessly pursue thinness
-Restricting type—individuals diet to limit calorie intake
-Binge-eating type—they rely on purging
oPurge on relatively small amounts of food and purge more constantly than
- Never satisfied with their weight loss
oCan cause intense panic, anxiety and depression if they stay or gain any weight
Medical Consequences:
- Dry skin, brittle hair or nails and sensitivity to our intolerance of cold temperatures
Associated Psychological Disorders:
- Mood disorders are often present
- OCD may also be a present too
Binge-Eating Disorder:
- Found in weight loss control programs
- Caused by separate set of factors from obesity without BED and is associated with more
severe obesity
- 90% of individuals with bulimia are women
- Onset age is 16 to 19 years
- Once bulimia develops, it tends to be chronic if untreated
- 90% of individuals with anorexia are female around age 13
Cross cultural considerations:
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