Introduction & Theoretical Background
Fairburn, Marcus & Wilson (1993) proposed that a dysfunctional system for evaluating self-worth is primary to the maintenance of bulimia nervosa. Instead of evaluating one’s self-worth based on a broad range of criteria they argue that people with bulimia judge themselves “largely, or even exclusively, in terms of their eating habits, shape, or weight (and often all three) and their ability to control them.” The ‘problems’ of bulimia nervosa, such as weight-control behavior and preoccupation with weight, are seen as resulting from this primary mechanism.
In the extended 2003 theory a number of additional maintenance mechanisms were added to the model. It was proposed that these only operate in some patients, and include:
- Clinical perfectionism
- Core low self-esteem (persistent and pervasive negative self-beliefs that are viewed as part of the individual’s self-identity)
- Mood intolerance (difficulty coping with strong mood states)
- Interpersonal difficulties
Fairburn, Cooper & Shafran (2003) proposed a transdiagnostic model of eating disorder, of