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Foods are differentially associated with subjective effect report questions of abuse liability
Journal article   Open access   Peer reviewed

Foods are differentially associated with subjective effect report questions of abuse liability

Erica M Schulte, Julia K Smeal and Ashley N Gearhardt
PloS one, v 12(8), pp e0184220-e0184220
2017
PMID: 28859162
url
https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0184220&type=printableView
Published, Version of Record (VoR) Open
url
https://doi.org/10.1371/journal.pone.0184220View
Published, Version of Record (VoR) Open

Abstract

Adult Behavior, Addictive Cross-Sectional Studies Eating - physiology Fast Foods Feeding Behavior - physiology Female Food Preferences Humans Male Middle Aged
The current study investigates which foods may be most implicated in addictive-like eating by examining how nutritionally diverse foods relate to loss of control consumption and various subjective effect reports. Subjective effect reports assess the abuse liabilities of substances and may similarly provide insight into which foods may be reinforcing in a manner that triggers an addictive-like response for some individuals. Cross-sectional. Online community. 507 participants (n = 501 used in analyses) recruited through Amazon MTurk. Participants (n = 501) self-reported how likely they were to experience a loss of control over their consumption of 30 nutritionally diverse foods and rated each food on five subjective effect report questions that assess the abuse liability of substances (liking, pleasure, craving, averseness, intensity). Hierarchical cluster analytic techniques were used to examine how foods grouped together based on each question. Highly processed foods, with added fats and/or refined carbohydrates, clustered together and were associated with greater loss of control, liking, pleasure, and craving. The clusters yielded from the subjective effect reports assessing liking, pleasure, and craving were most similar to clusters formed based on loss of control over consumption, whereas the clusters yielded from averseness and intensity did not meaningfully differentiate food items. The present work applies methodology used to assess the abuse liability of substances to understand whether foods may vary in their potential to be associated with addictive-like consumption. Highly processed foods (e.g., pizza, chocolate) appear to be most related to an indicator of addictive-like eating (loss of control) and several subjective effect reports (liking, pleasure, craving). Thus, these foods may be particularly reinforcing and capable of triggering an addictive-like response in some individuals. Future research is warranted to understand whether highly processed foods are related to these indicators of abuse liability at a similar magnitude as addictive substances.

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#5 Gender Equality

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Web of Science research areas
Psychiatry
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