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Relations Among Restrictive Eating, Binge-Eating, and Processes Involved in Food Cue Reactivity and Reinforcer Pathologies
Department: Psychology
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Paper000
Specimen Elements
Pocatello
Unknown to Unknown
Sierra Baca-Zeff
Idaho State University
Dissertation
No
6/25/2025
digital
City: Pocatello
Doctorate
Food cue reactivity (FCR) is conditioned biological, subjective, and behavioral responses to stimuli that signal the availability of food. Reinforcer pathologies (RPs) refer to high consumption of a reinforcer that involves: 1) consistently high preference for smaller, immediate rewards over larger delayed rewards (delay discounting or DD) and 2) persistently high valuation of a reward, such as food, despite increasing response costs (demand inelasticity). Dietary restriction and sensitivity to the hedonically rewarding properties of food are associated with processes involved in FCR and RPs. In addition, disordered eating, especially restrictive eating and binge eating, is also correlated with these processes. However, no studies to date have examined the extent to which restrictive and binge eating predict differences in FCR and RP processes in a single study, especially in response to food and nonfood stimuli. Therefore, we examined the effects of visual food cues on FCR and RP processes and the extent to which disordered eating is involved. Undergraduate women (n=59) were recruited. Food and nonfood images were presented on a computer using a within-subjects design. Under each set of stimuli, swallowing and self-reported food cravings (measures of FCR), as well as food DD and demand elasticity (measures of RPs) were compared. Self-reported disordered eating was also measured. Results showed that food (compared to nonfood) images increased salivation, but not cravings, DD, or inelasticity. Binge eating predicted self-reported craving, but no other disordered eating variable predicted salivation nor RP measures. These data suggest that visual food cues and disordered eating may relate more to FCR than RP in a nonclinical sample. Keywords: delay discounting, demand, food cue reactivity, reinforcer pathology

Relations Among Restrictive Eating, Binge-Eating, and Processes Involved in Food Cue Reactivity and Reinforcer Pathologies

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