lecture 8 - eating disorders Flashcards
What are the 3 key eating disorders (that we cover)?
Anorexia nervosa, bulimia nervosa, binge eating disorder
What is the DSM-5 criteria for anorexia nervosa?
1.) persistent restriction of energy intake leading to low body weight
2.) intense fear of weight gain OR persistent behaviour that interferes with weight gain
3.) disturbance in experience of weight, undue influence of weight so self-evaluation, lack of recognition of effect of low body weight
What are the physical characteristics observed in anorexia nervosa?
Significantly low body weight
What are the 2 subtypes of anorexia nervosa?
Restricting type, binge-eating/purging type
What is the DSM-5 criteria for Bulimia Nervosa?
1.) recurrent episodes of binge-eating & lack of control
2.) recurrent inappropriate compensatory behaviour for binge eating to prevent weight gain
3.) self evaluation is unduly influenced by body shape/weight
These must occur at least once a week for three months
What is the DSM-5 criteria for Binge Eating Disorder?
1.) recurrent episodes of binge eating
2.) binge eating associated with 3 or more of the following:
- eating rapidly or until uncomfortably full
- eating large amounts when not hungry
- eating alone due to embarassment
- feeling disgust at oneself
3.) marked distress at binge eating
4.) occurs at least once a week for 3 months
5.) not associated with compensatory behaviours
Which sex is more likely to be affected by eating disorders?
females
In what age group is the rate of eating disorders highest?
Young people
Are there differences in the incidence of eating disorders across different ethnic groups?
No
Are there differences in the incidence of eating disorders across different incomes or education levels?
No
What sociocultural factors contribute to the development of an eating disorder?
Exposure to slim ideas of female beauty, particularly in Western Cultures
What familial factors contribute to the development of eating disorders?
Relationships with controlling, over-protective or critical parents, who often have a poor relationship with food themselves.
What individual factors contribute to the development of eating disorders?
trauma or stress, negative emotionality (low mood, high anxiety, etc.) , body dissatisfaction, personality (perfectionism, impulsivity, etc.), genetic predisposition
What are the physical impacts of anorexia nervosa?
secondary amenorrhea, low bone density, cardiorespiratory disfunction, abnormal liver and renal function, electrolyte disturbances, hair loss & lanugo
What is the relative impact on role function in anorexia nervosa?
Profound, though not admitted by the sufferer. sever disruption to cognitive and social functioning.
