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PSYC 3390 (102)
Chapter 9

Abnormal Psychology Chapter 9

5 Pages
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Department
Psychology
Course Code
PSYC 3390
Professor
Mary Manson

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Chapter 9 12/3/2012 5:14:00 PM Clinical Aspects of Eating Disorders - Intense fear of gaining weight combined with a refusal to maintain even a minimally low body weight - Anorexia nervosa can be found in early religious literature - Some question the value of the criterion that postmenarcheal females stop menstruating to be diagnosed with the disorder - For men the equivilient is diminished sexual appetite and lowered testosterone levels - In the restricting type, every effort is made to limit how much food is eaten and caloric intake is tightly controlled, patients often try to avoid eating in the presence of other people - Binge-purge types with anorexia differ and may either binge, purge or do both - Approx. 30-50 percent of patients transition form the restricting type to the binge eating/purging type during the course of their disorder - Methods of purging involve self-induced vomiting or misuse of laxatives, diuretics, and enemas - 25% of ballet dancers have anorexia nervosa and 14% had bulimia or other eating problems - the mortality rate for females with anorexia ia 12 times higher than regular females aged 15 to 24 - bulimia nervosa is binge eating and by efforts to prevent weight gain, purging and excessive exercise - average age of onset is 18.9 years for anorexia and for bulimia is 19.7 - 10 females to every male with an eating disorder - can die from heart arrhythmias or kidney damage that would require dialysis - purging can cause electrolyte imbalances and low potassium and damage to the heart muscle or tears to the throat, mouth ulcers and dental cavities and red dots around the eyes, and swollen parotid glands - eating disorder not otherwise specified is used for patterns of disordered eating that do not exactly fit the criteria for any of the more specific diagnoses—this is given to about 40% of all patients who seek treatment for an eating disorder - binge eating disorder—people are between 30 to 50 years of age and is not uncommon in men; most people are overweight or obese - two thirds of patients with anorexia or bulimia also have depression and obsessive compulsive disorder is also often found in patients with eating disorders - prevalence rates are : 1.5% for bulimia, 3.5% for binge eating and .9% for anorexia for women and .5, 2.0 and .3 percents for men Risk and Causal Factors in Eating Disorders - risk of anorexia within family was 11.4 times higher than for control group and 3.7 for bulimia - recent evidence has shown that susceptibility to bulimia nervosa, particularly self induced vomiting could be linked to chromosome 10 - eating disorders have been linked to genes that are involved in the regulation of the neurotransmitter
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