Journal article
Do executive functioning deficits underpin binge eating disorder? A comparison of overweight women with and without binge eating pathology
The International journal of eating disorders, v 48(6), pp 677-683
Sep 2015
PMID: 25644028
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Deficits in executive function (EF)-including inhibitory control, cognitive flexibility, decision-making, and working memory-may be risk or maintenance factors for binge eating disorder (BED). However, there is mixed evidence regarding EF deficits in individuals with BED. Significant methodological weaknesses (e.g., use of a single EF measure, omission of relevant covariates) in the current literature represent one reason for lack of consensus.
This study compared EF in a sample of overweight women with (n = 31) and without (n = 43) full or subthreshold BED, with the aim of conducting a multifaceted investigation of the neurocognitive profile of BED. A neuropsychological battery of EF was administered to all participants.
After controlling for IQ and age, individuals with binge eating displayed significantly poorer performance on tasks of problem-solving and inhibitory control, and displayed higher prioritization of immediate versus delayed rewards, but the two groups did not appear to differ on set-shifting, working memory, and risk taking. Differences in inhibitory control were no longer statistically significant when depressive symptomology was added as a covariate and correction for multiple comparisons was applied. Exploratory analyses indicated that full and sub-threshold BED groups did not differ in EF.
Results partially support the hypothesis of relative EF deficits in individuals with BED, suggesting that binge eating may be maintained by cognitive factors distinct from those of obesity. Future research should aim to replicate with a larger sample, control for a wider range of psychiatric comorbidities, and examine whether EF deficits predict treatment outcome.
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Details
- Title
- Do executive functioning deficits underpin binge eating disorder? A comparison of overweight women with and without binge eating pathology
- Creators
- Stephanie M Manasse - Department of Psychology, Drexel University, Philadelphia, PennsylvaniaEvan M Forman - Department of Psychology, Drexel University, Philadelphia, PennsylvaniaAnthony C Ruocco - Department of Psychology, University of Toronto Scarborough, Toronto, CanadaMeghan L Butryn - Department of Psychology, Drexel University, Philadelphia, PennsylvaniaAdrienne S Juarascio - Department of Psychology, Drexel University, Philadelphia, PennsylvaniaKathleen Kara Fitzpatrick - Department of Psychiatry, Stanford University, Stanford, California
- Publication Details
- The International journal of eating disorders, v 48(6), pp 677-683
- Publisher
- Wiley; United States
- Grant note
- R01 DK095069 / NIDDK NIH HHS K23 MH105680 / NIMH NIH HHS R01DK095069 / NIDDK NIH HHS
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Center for Weight, Eating and Lifestyle Science (WELL) [Historical]
- Web of Science ID
- WOS:000360075900016
- Scopus ID
- 2-s2.0-84939565307
- Other Identifier
- 991014877697104721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Nutrition & Dietetics
- Psychiatry
- Psychology
- Psychology, Clinical