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Inhibitory Control in Bulimic-Type Eating Disorders: A Systematic Review and Meta-Analysis

Open access
Wu, Mudan, Hartmann, Mechthild, Skunde, Mandy, Herzog, Wolfgang, Friederich, Hans-Christoph·2013·PLoS ONE

Abstract

The aim of this meta-analysis was to summarise data from neuropsychological studies on inhibitory control to general and disease-salient (i.e., food/eating, body/shape) stimuli in bulimic-type eating disorders (EDs). A systematic literature search was conducted to identify eligible experimental studies. The outcome measures studied included the performance on established inhibitory control tasks in bulimic-type EDs. Effect sizes (Hedges' g) were pooled using random-effects models. For inhibitory control to general stimuli, 24 studies were included with a total of 563 bulimic-type ED patients: 439 had bulimia nervosa (BN), 42 had anorexia nervosa of the binge/purge subtype (AN-b), and 82 had binge eating disorder (BED). With respect to inhibitory control to disease-salient stimuli, 12 studies were included, representing a total of 218 BN patients. A meta-analysis of these studies showed decreased inhibitory control to general stimuli in bulimic-type EDs (g = -0.32). Subgroup analysis revealed impairments with a large effect in the AN-b group (g = -0.91), impairments with a small effect in the BN group (g = -0.26), and a non-significant effect in the BED group (g = -0.16). Greater impairments in inhibitory control were observed in BN patients when confronted with disease-salient stimuli (food/eating: g = -0.67; body/shape: g = -0.61). In conclusion, bulimic-type EDs showed impairments in inhibitory control to general stimuli with a small effect size. There was a significantly larger impairment in inhibitory control to disease salient stimuli observed in BN patients, constituting a medium effect size.

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Metadata

Authors
Wu, M., Hartmann, M., Skunde, M., Herzog, W., & Friederich, H.-C.
Venue
PLoS ONE
Published
2013-12-31
Volume
8
Issue
12
Pages
e83412
ISSN
1932-6203 (ISSN-L)
OpenAlex
W1983353468
Cited by
171
References
8
FWCI
1.25
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Inhibitory Control in Bulimic-Type Eating Disorders: A Systematic Review and Meta-Analysis. https://app.cochat.ai/papers/10.1371/journal.pone.0083412
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Wu, M., Hartmann, M., Skunde, M., Herzog, W., & Friederich, H.-C. (2013). Inhibitory Control in Bulimic-Type Eating Disorders: A Systematic Review and Meta-Analysis. PLoS ONE. https://doi.org/10.1371/journal.pone.0083412

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