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Chapter 9

PSYCH 270 Chapter Notes - Chapter 9: Bulimia Nervosa, Binge Eating Disorder, Circulatory Collapse

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Mikaela Bradley
Chapter 9 Study Objectives
**Note there are multiple parts to some of the objectives
1) Describe anorexia and provide the DSM criteria. (280)
The DSM criteria for anorexia nervosa include that the individual purposely takes in too
little nourishment, resulting in body weight that is very low and below that of other people
of similar age and gender. The individual is very fearful of gaining weight, or repeatedly
seeks to prevent weight gain despite low body weight. The individual has a distorted body
perception, places inappropriate emphasis on weight or shape in judgments of herself or
himself, or fails to appreciate the serious implications of her or his low weight.
2) Describe two types of anorexia. (280)
There are two types of anorexia: restricting-type anorexia nervosa and binge-
eating/purging-type anorexia nervosa. At least half of people with anorexia suffer from the
restriction pattern in which they limit their intake of food. Usually, they start by cutting out
sugary foods and snacks and then eventually have no diet variations and eat very little. The
other type of anorexia is characterized by forceful vomiting and abuse of laxatives.
4) List the types of medical problems associated with anorexia. (282)
There are several medical problems that are associated with the restriction of food intake.
Some women develop amenorrhea, which is the absence of a menstrual cycle. Other
physical problems include lowered body temperature, low blood temperature, body
swelling, reduced bone mineral density, and slower heart rate. There may also be metabolic
and electrolyte imbalances which could lead to heart failure or circulatory collapse. There
are also issues with rough and dry skin, brittle nails, and hair loss.
5) Describe bulimia and provide the DSM criteria. (282)
Bulimia nervosa is also known as binge-purge syndrome and is characterized by the
repetitive engagement in episodes of uncontrollable overeating The DSM criteria include
repeated binge-eating episodes, the repeated performance of ill-advised compensatory
behaviors, symptoms take place at least weekly for a period of three months, and an
inappropriate influence of weight and shape on appraisal of oneself.
6) Define binge and the bingeing process. (282-283)
A binge episode takes place over a limited period of time, during which the person eats a
lot more food that someone normally would during that time frame. These people then
often engage in compensatory behaviors such as forced vomiting. People with bulimia
nervosa may have between one and thirty binge episodes each week and are often carried
out in secret. The person eats tons of food very fast with minimal chewing, usually sweet
and high-caloric foods with a soft texture. Binge eaters consume as many as 10,000 calories
and an average of 3,400 calories each episode. Binges are usually preceded by feelings of
tension and the person feels powerless to control their need to eat. They may also be
overcome by feelings of shame, blame, guilt, and depression.
9) Describe binge eating disorder and list the DSM criteria. (288)
Similar to those people with bulimia nervosa, those with binge-eating disorder engage in
repeated eating binges during which they feel no control over their eating. By contrast, they
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