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Journal article
Examining infra-individual variability in food-related inhibitory control and negative affect as predictors of binge eating using ecological momentary assessment
Journal of psychiatric research, v 120, pp 137-143
01 Jan 2020
PMID: 31677551
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Binge eating presents in the context of several eating disorders (EDs) and has been shown to be associated with negative affectivity and inhibitory control deficits. While considerable ecological momentary assessment (EMA) work in EDs has demonstrated the importance of intra-individual variability in affect in predicting binge episodes, no research has considered how fluctuations in inhibitory control and negative affect together influence binge eating, or the extent to which these relationships may differ across ED diagnoses. Therefore, the present EMA study assessed the extent to which daily inhibitory control moderated momentary associations between negative affect and binge eating, and whether the presence of regular compensatory behaviors influenced these associations. Participants were 40 women reporting regular binge eating (anorexia nervosa binge-purge type [AN-BP], bulimia nervosa [BN], binge-eating disorder [BEW/subthreshold BED) who completed a 10-day EMA protocol that included measures of affect, eating, and a daily ambulatory Go/No-go task that included palatable food and neutral stimuli. Results of generalized estimating equations indicated greater between-person food-related inhibitory control deficits were associated with greater binge likelihood, and there was a three-way interaction between momentary negative affect, daily food-related inhibitory control, and compensatory behavior group. For individuals with BN or AN-BP, the relationship between momentary negative affect and subsequent binge eating was stronger on days characterized by reduced inhibitory control, whereas no main or interactive effects of negative affect or inhibitory control were observed for those with BED/subthreshold BED. Together these results demonstrate the importance of intra-individual variability in executive functioning and affective processes that underlie binge eating, as well as meaningful individual differences in these momentary associations.
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Details
- Title
- Examining infra-individual variability in food-related inhibitory control and negative affect as predictors of binge eating using ecological momentary assessment
- Creators
- Kathryn E. Smith - University of North DakotaTyler B. Mason - University of Southern CaliforniaLauren M. Schaefer - Sanford ResearchAdrienne Juarascio - Drexel UniversityRobert Dvorak - University of Central FloridaNoam Weinbach - University of HaifaRoss D. Crosby - University of North DakotaStephen A. Wonderlich - University of North Dakota
- Publication Details
- Journal of psychiatric research, v 120, pp 137-143
- Publisher
- Elsevier
- Number of pages
- 7
- Grant note
- T32MH082761 / National Institute of Mental Health (NIMH); United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Institute of Mental Health (NIMH)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Center for Weight, Eating and Lifestyle Science (WELL) [Historical]
- Web of Science ID
- WOS:000500381100016
- Scopus ID
- 2-s2.0-85074164474
- Other Identifier
- 991019168120704721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Psychiatry