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Chapter 10

PSYB32H3 Chapter Notes - Chapter 10: Operant Conditioning, Family Therapy, Comorbidity

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Chandan Narayan

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Chapter 10 Eating disorder
Clinical description
- Eating disorder not otherwise specified (EDNOS): the most common eating disorder diagnosis
characterized by heterogeneous symptoms and associated features that do not fit the
symptoms of other eating disorders.
- Night eating syndrome: a repetitive tendency to wake up and eat during the night and then get
quite upset about it
1) Purging disorder: a form of bulimia that involves self-induced vomiting or laxative use at
least once a week for a minimum of six months
High impulsivity
- Anorexia nervosa (AN)
1) Anorexia loss of appetite
2) Nervosa this is for emotional reasons
Amenorrhea: loss of the menstrual period
The self-esteem of people with AN is closely linked to maintaining thinness
Over-evaluation of appearance: the tendency to link self-esteem and self-evaluation
with thinness
Typically begins in the early to middle teenage years
3) Physical changes in anorexia nervosa
Blood pressure fall
Heart rate slows
Kidney and gastrointestinal problems develop
Bone mass declines
Skin dries out
Nails brittle
Hormone levels change
Mild anemia may occur
4) Prognosis
About 70% of clients with AN eventually recover
Recovery takes 6-7 years
- Bulimia Nervosa (BN)
1) Bulimia ox hunger
2) Rapid consumption of a large amount of food, followed by compensatory behaviors, such as
vomiting, fasting, ore excessive exercise, to prevent weight gain
3) Fat talk: the tendency for friends, particularly female friends, to take turns disparaging their
bodies to each other
4) Begins in late adolescence or early adulthood
- Binge eating disorder (BED)
1) Includes recurrent binges, lack of control during the bingeing episode, and distress about
bingeing, as well as other characteristics
Etiology of eating disorders
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