Eating Disorders Flashcards
Anorexia
Fear of being fat, percieve themselves as fat, restrict intake of food
Bulimia
Periods of food restriction alternate with periods of binge eating– floowed by compensatory behaviours
Binge Eating Disorder
Bingeing without compensatory behaviours
Rumination disorder
Chewing food and spitting it out
Restrictive food intake disorder
Picky eaters
Anorexia BMI
Less than 17.5
Anorexia mortality rate
10%
Purgng
Direct evacuation of stomach, bowel or bladder
subtypes of anorexia
Restricting
Binge/purge
Anorexia age of onset
17
Prevalence of anorexi
0.5-1% of females
Escape from self-awareness model
Fail to meet high expectations of themselves. Awareness of failures leads to depression and motivation to escape from negative state
BED criteria
At least once a week for 3 months
BED prevalence
- 6% women
0. 8 % men
Bulimia prevalence
- 1% women
0. 1% men
Recovery rate for bulimia
50%
3 criteria for anorexia
Significantly low weight and restricted calorie intake
Intense fear of gaining weight
Disturbances in body image
Purging disorder
Inappropriate compensatory behaviours in absence of binge eating by people in normal weight range
Lanugo
Fine downy hair grows on body to maintain warmth
Amenorrhea
Absence of at least 3 consecutive menstrual cycles
Russel’s signs
Scrapes or calluses on the backs of hands
MZ concordance rates for bulimia and anorexia
23% bulimia
50% anorexia
Lateral hypothalamus
Activation produces exessive eating in animals
Precipiating factors
Trigger disorder
Perpetuating factors
Maintain disorder
Bulimia meds
Tricyclics and SSRI
Transdiagnostic theory
All ED’s have the same psych processes underlying them
