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Attentional biases in eating disorders: a visual probe detection procedure
E Rieger1, D E Schotte, S W Touyz
1Department of Psychology, University of Sydney, Australia.
The International Journal of Eating Disorders
|March 21, 1998
Summary
Individuals with eating disorders show attentional biases toward body shape stimuli. They exhibit slower detection of targets near "thin" words, indicating a preoccupation with thinness.
Area of Science:
- Psychology
- Cognitive Neuroscience
- Psychiatry
Background:
- Eating disorders are complex mental health conditions characterized by disturbances in body image and eating behaviors.
- Attentional biases, or the tendency to preferentially attend to certain stimuli, are thought to play a role in the maintenance of eating disorders.
Purpose of the Study:
- To investigate attentional biases for body shape and weight-related words in individuals with anorexia nervosa and bulimia nervosa.
- To compare these biases with those in control subjects, including those classified by dietary restraint.
Main Methods:
- A visual probe detection task was employed to measure attention.
- Stimulus words related to thin or large physiques and emotional valence were presented.
Main Results:
- Subjects with eating disorders showed slower target probe detection when probes appeared with "thin" physique words, compared to controls.
- A trend towards faster detection was observed for probes appearing with "large" physique words in eating disorder groups.
- These attentional biases were not observed in restrained eaters.
Conclusions:
- The findings support the existence of information-processing biases related to body shape and weight stimuli in individuals with eating disorders.
- These biases may contribute to the cognitive underpinnings of anorexia nervosa and bulimia nervosa.