Introduction & Theoretical Background
Disordered patterns of eating play a central role in the maintenance of anorexia nervosa, bulimia nervosa, binge-eating disorder, and other specified feeding and eating disorders (OSFED). For this reason, psychoeducation regarding the content and consequences of ‘normal’ versus ‘abnormal’ patterns of eating are an important aspect of treatment. The transdiagnostic model of eating disorders identifies several processes which contribute to disordered eating across diagnostic groups (Fairburn et al., 2003). These include:
- Overvalued beliefs about shape, weight, eating, and control. People with eating disorders base much of their self-worth on their ability to control their shape, weight, and eating. Other features of eating disorders are believed to stem from this ‘core psychopathology’, including extreme weight control behaviors (e.g., self-induced vomiting, driven exercise), body-shape checking and avoidance, and preoccupation with weight and appearance (Cooper & Dalle Grave, 2017).
- Dietary restraint. Overvalued beliefs about shape, weight, and eating lead individuals to establish strict dietary rules which