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Neurosci Biobehav Rev. 2018 Sep;92:195-208. doi: 10.1016/j.neubiorev.2018.05.028. Epub 2018 May 31.

Feeling bad or feeling good, does emotion affect your consumption of food? A meta-analysis of the experimental evidence.

Author information

1
Utrecht University, Department of Social, Health, & Organizational Psychology, The Netherlands. Electronic address: c.evers@uu.nl.
2
Rivierduinen Eating Disorders Ursula, Leiden, The Netherlands.
3
Utrecht University, Department of Social, Health, & Organizational Psychology, The Netherlands.
4
Free University of Amsterdam, Faculty of Science, Methodology and Applied Biostatistics, The Netherlands.

Abstract

Whether emotions affect eating, and in whom, has remained unclear. This meta-analysis assessed the effect of emotions on eating in both healthy and eating disordered individuals. Fifty-six experimental studies investigating the causal effect of emotions on eating behavior were selected including 3670 participants. Separate meta-analyses (random models) were performed for negative and positive emotions. Among healthy people the moderating impact of individual differences in restrained and emotional eating and of being overweight or obese was assessed for negative emotions.

RESULTS:

Restrained eaters showed increased eating in response to negative emotions. Negative emotions did not affect eating in overweight or obese people, people with eating disorders or in self-assessed emotional eaters. Positive emotion resulted in increased eating across groups. Heterogeneity was high and could be explained by differences in emotion induction procedures, eating measures, and age of participants. These findings indicate that particularly restrained eaters are vulnerable to emotion-induced eating. Additional qualitatively good experiments are called for in combination with studies assessing emotion-eating links in people's naturalistic environment.

KEYWORDS:

Eating; Eating disorder; Emotion; Meta-analysis; Restrained; Stress

PMID:
29860103
DOI:
10.1016/j.neubiorev.2018.05.028
[Indexed for MEDLINE]

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