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Eating & Feeding Disorders

Terms in this set (16)

two main types of eating disorders
anorexia nervosa and bulimia nervosa
clinical description of BM
binging, compensatory behaviors (purging via self-induced vomiting, laxatives, diuretics, exercise), sees their body size as significantly changing
psychological characteristic of BM
feeling that continued popularity and self-esteem are determined, to a large extent , by one's weight and shape of body
medical consequences of BM
salivary gland enlargement, eroded dental enamel, electrolyte imbalance, intestinal problem, calluses-fingers & hands from inducing vomiting
how many calories are still absorbed from purging
about 50% of calories are absorbed, so it is an inefficient way to lose weight
facts and stats for BM
90-95% are women, white; middle to upper class, onset is 16-19 years, ~7% of college-aged women, about 2.8% population overall, chronic if left untreated
clinical description of AN
morbid fear of gaining weight, deliberate weight loss (approx 15% below expected weight), life threatening consequences
what is the chief differentiating factor of BM and AN
AN is approx 15% below expected weight
what are the two subtypes of AN
restricting type (excessive dieting) and binge-eating-purging type (rely on purging, about half of all cases, also associated with more impulsive behavior- stealing, drug use, self-mutation)
medical consequences of AN
amenorrhea-cessation of menstruation, dry skin, brittle hair or nails, sensitivity to cold, downy hair on the limbs and cheeks, cardiovascular problems, electrolyte imbalances
causes of AN
social and cultural factors, media, when food is restricted, developmental considerations (after puberty girls gain weight primarily in fat tissue; boys develop muscle and lean tissue)
associated features and facts of AN
begins early in adolescence, perfectionistic high-achievers, all-or-none thinking, obsessive and orderly
causes pt 2 of AN
family influences (successful and driven, concerned about appearances, eager to maintain harmony, deny or ignore conflicts), biological influences (runs in families, 23% identical; 9% fraternal, unclear what is inherited), psychological influences (diminished sense of control over many things in life, low self-esteem, see selves as frauds)
psychological treatments (for BN)
part 1: teach physical consequences of binge eating and purging, 5-6 meals per day; no more than 3 hours apart (to prevent binging) part 2: cognitive therapy-dysfunctional thoughts about body shape, eating, weight
medication for BN
PROZAC approved by FDA (not for AN), not effective alone
psychosocial treatments for AN
must restore normal weight, most will gain weight (easy), keeping the weight on (hard), rest of the treatment program is similar to BN
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