W11 Chapter 9.1 Clinical Aspects of Eating Disorder Flashcards
How are eating disorders characterized in the DSM-5
A persistent disturbance in eating behaviour that impairs health
What are the three most important adult eating disorders
- anorexia nervosa
- bulimia nervosa
- binge eating disorder
How is anorexia nervosa defined?
The pursuit of thinness that is restless and involves behaviours that result in significant low body weight
What criteria is no longer required in the DSM-5 for a diagnosis of anorexia nervosa
Amenorrhea (cessation of menstruation)
What are the three criteria for Anorexia Nervosa
- restriction if energy intake resulting in significantly low body weight
- intense fear of gaining weight
- Disturbance in the perception of one’s own body weight
What are two subtypes of anorexia nervosa
- restrictive type
- binge-eating/purging type
What is bulimia nervosa
uncontrollable binge eating and inappropriate efforts to prevent weight gain (purging or exercise)
What are the five criteria for Bulimia Nervosa
- binge eating
- recurrent inappropriate behaviours to prevent weight gain
- behaviours occur on average once a week for 3 months
- Self evaluation influenced by body shape
- The disturbance does not occur exclusively during episodes of anorexia nervosa
What is the difference between the binge eating/purging type of anorexia nervosa and bulimia nervosa
Bulimia nervosa does not require the person to be excessively underweight
What is the key difference between binge eating disorder and bulimia nervosa
There are not compensatory purging behaviours following the binge eating episode in binge eating disorder
What are the five criteria of binge eating disorder
- recurrent episodes of binge eating (including a lack of control)
- three of the following: eating fast, eating until uncomfortable, eating when not hungry, eating alone due to embarrassment, feeling disgusted in oneself
- Distress about binge eating
- occurs on average once a week for 3 months
- not compensatory purging behaviours
When is anorexia nervosa likely to develop
between the ages of 16-20
When is bulimia nervosa likely to develop
between the ages of 21-24
When is binge eating disorder likely to develop
between the ages of 30-50
What is the worldwide prevalence of binge eating disorder
2%