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Distorted body image in bulimic women
U Franzen1, I Florin, S Schneider
1Department of Psychology, Philipps University, Marburg, FR Germany.
Journal of Psychosomatic Research
|January 1, 1988
Summary
Bulimic women overestimate their body size more than healthy women, particularly when focusing on bodily sensations. This suggests non-visual perception plays a key role in body image distortion in bulimia nervosa.
Area of Science:
- Psychology
- Psychiatry
- Body Image Research
Background:
- Body image distortion is a hallmark of eating disorders like bulimia nervosa.
- Understanding the perceptual mechanisms underlying this distortion is crucial for effective treatment.
Purpose of the Study:
- To investigate body image perception differences between women with bulimia nervosa and healthy controls.
- To explore the influence of visual estimation, reward conditions, and interoceptive focus on body size estimation.
Main Methods:
- A distorting video image technique was used to assess body width estimation in 15 women with bulimia nervosa (DSM III) and 15 matched healthy controls.
- Participants estimated body width under four conditions: neutral, reward-driven accuracy, and interoceptive focus.
Main Results:
- No significant differences were found when estimating a neutral object (water bottle).
- Bulimic women significantly overestimated their body width compared to controls under neutral, reward, and interoceptive focus conditions.
- The largest overestimation occurred when participants focused on bodily sensations, indicating how wide their body felt.
Conclusions:
- Bulimia nervosa is associated with significant body image distortion, particularly in self-perception.
- Non-visual sensory modalities, such as interoception, are strongly implicated in the body image disturbances observed in bulimia nervosa.
- These findings highlight the complex interplay of perceptual systems in the psychopathology of eating disorders.