Improved planning abilities in binge eating

Neveu, R., Neveu, D., Barsumian, F., Fouragnan, E., Carrier, E., Lai, M., Sultan, J., Nicolas, A. and Coricelli, G. (2014) Improved planning abilities in binge eating. PLoS ONE, 9(8), e105657. (doi: 10.1371/journal.pone.0105657) (PMID:25148580) (PMCID:PMC4141805)

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Abstract

Objective: The role of planning in binge eating episodes is unknown. We investigated the characteristics of planning associated with food cues in binging patients. We studied planning based on backward reasoning, reasoning that determines a sequence of actions back to front from the final outcome. Method: A cross-sectional study was conducted with 20 healthy participants, 20 bulimia nervosa (BN), 22 restrictive (ANR) and 23 binging anorexia nervosa (ANB), without any concomitant impulsive disorder. In neutral/relaxing, binge food and stressful conditions, backward reasoning was assessed with the Race game, promotion of delayed large rewards with an intertemporal discounting task, attention with the Simon task, and repeating a dominant behavior with the Go/No-go task. Results: BN and to a lower extent ANB patients succeeded more at the Race game in food than in neutral condition. This difference discriminated binging from non-binging participants. Backward reasoning in the food condition was associated with lower approach behavior toward food in BN patients, and higher food avoidance in ANB patients. Enhanced backward reasoning in the food condition related to preferences for delayed large rewards in BN patients. In BN and ANB patients the enhanced success rate at the Race game in the food condition was associated with higher attention paid to binge food. Conclusion: These findings introduce a novel process underlying binges: planning based on backward reasoning is associated with binges. It likely aims to reduce craving for binge foods and extend binge refractory period in BN patients, and avoid binging in ANB patients. Shifts between these goals might explain shifts between eating disorder subtypes.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Fouragnan, Dr Elsa
Authors: Neveu, R., Neveu, D., Barsumian, F., Fouragnan, E., Carrier, E., Lai, M., Sultan, J., Nicolas, A., and Coricelli, G.
College/School:College of Medical Veterinary and Life Sciences > Institute of Neuroscience and Psychology
Journal Name:PLoS ONE
Publisher:Public Library of Science
ISSN:1932-6203
ISSN (Online):1932-6203
Published Online:22 August 2014
Copyright Holders:Copyright © 2014 Neveu et al.
First Published:First published in PLoS ONE 9(8):e105657
Publisher Policy:Reproduced under a creative commons license

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