Document Detail

Food-related impulsivity in obesity and binge eating disorder--a systematic review.
MedLine Citation:
PMID:  23331770     Owner:  NLM     Status:  MEDLINE    
Impulsivity towards food has been recognized as a potential factor leading to increased food intake in obesity. Patients suffering from binge eating disorder (BED) form a specific subgroup of obese people that might be characterized by increased impulsivity. These assumptions, although, have yet to be verified. Therefore, this review evaluates evidence for food-related impulsivity in obese people with and without BED and examines possible differences between both populations. More precisely, evidence for the two components of impulsivity is analyzed separately: evidence for reward sensitivity, specifically, the urge for appetitive stimuli and evidence for rash-spontaneous behaviour such as acting disinhibited with no regard for the consequences. Our search resulted in 51 articles demonstrating generally increased food-related impulsivity. We found particular emphasis on increased reward sensitivity in obese people, which appeared to be more pronounced in people with BED. There was little and conflicting evidence, however, concerning increased rash-spontaneous behaviour in obese people without BED, but consistent evidence of an increase in obese people with BED. All in all, the evidence supports the view that BED represents a specific phenotype of obesity with increased food-related impulsivity. Taking these specific deficits into account can enhance the effectiveness of weight reduction programmes and psychotherapy.
K Schag; J Schönleber; M Teufel; S Zipfel; K E Giel
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review     Date:  2013-01-21
Journal Detail:
Title:  Obesity reviews : an official journal of the International Association for the Study of Obesity     Volume:  14     ISSN:  1467-789X     ISO Abbreviation:  Obes Rev     Publication Date:  2013 Jun 
Date Detail:
Created Date:  2013-04-24     Completed Date:  2013-07-01     Revised Date:  2014-03-25    
Medline Journal Info:
Nlm Unique ID:  100897395     Medline TA:  Obes Rev     Country:  England    
Other Details:
Languages:  eng     Pagination:  477-95     Citation Subset:  IM    
Copyright Information:
© 2013 The Authors. obesity reviews © 2013 International Association for the Study of Obesity.
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MeSH Terms
Binge-Eating Disorder / physiopathology,  psychology*
Brain / physiopathology
Eating / psychology*
Energy Intake
Inhibition (Psychology)*
Obesity / physiopathology,  psychology*

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