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Related Concept Videos

Binge Eating Disorders01:23

Binge Eating Disorders

Binge eating disorder is a significant mental health condition characterized by recurrent episodes of excessive food consumption within a short period, accompanied by a perceived loss of control over eating behavior. Unlike occasional overeating, binge eating disorder is marked by distressing emotions such as guilt, shame, and anxiety following binge episodes. The disorder affects individuals across different ages and backgrounds, with profound implications for physical and psychological...
Bulimia Nervosa01:30

Bulimia Nervosa

Bulimia nervosa is a complex and severe eating disorder characterized by a cyclical pattern of binge-and-purge eating pattern. It generally involves an episode of binge eating, followed by compensatory behaviors such as vomiting, excessive exercise, laxative use, or fasting, to prevent weight gain. Despite often maintaining a normal weight, individuals with bulimia are intensely preoccupied with their body image and harbor an overwhelming fear of gaining weight. This can contribute to the...
Anorexia Nervosa01:28

Anorexia Nervosa

Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
Symptoms and Physical Effects
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Regulation of Food Intake01:30

Regulation of Food Intake

Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
Taste Buds and Receptors01:20

Taste Buds and Receptors

Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
Self-Discrepancy Theory02:45

Self-Discrepancy Theory

One influential perspective on what motivates people's behavior is detailed in Tory Higgin's self-discrepancy theory (Higgins, 1987). He proposed that people hold disagreeing internal representations of themselves that lead to different emotional states.

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Updated: Jul 16, 2026

Intermittent Binge-Intake Model in Mice
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Published on: January 10, 2025

Food Insecurity and Binge Eating: Exploring Reward-Based Eating, Psychological Distress, and Diet Quality as

Chelsea Arnold1, Courtney P McLean1, Luiza Bonfim Pacheco1

  • 1School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Level 5, 18 Innovation Walk, Clayton, VIC 3800, Australia.

Nutrients
|July 15, 2026
PubMed
Summary

Food insecurity drives binge eating through increased reward-based eating and psychological distress. Diet quality did not mediate this relationship, highlighting key targets for intervention.

Keywords:
binge eatingfood insecuritypsychological distressreward-based eating

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Area of Science:

  • Psychology
  • Public Health
  • Nutritional Science

Background:

  • Food insecurity is a known risk factor for binge eating behaviors.
  • The specific psychological and behavioral mechanisms linking food insecurity to binge eating require further elucidation.
  • Understanding these pathways is crucial for developing effective interventions.

Purpose of the Study:

  • To investigate reward-based eating, psychological distress, and diet quality as potential mediators.
  • To examine the relationship between food insecurity and binge eating behaviors.
  • To identify the underlying mechanisms connecting food insecurity to binge eating.

Main Methods:

  • 176 participants completed self-report measures for food insecurity, reward-based eating, psychological distress, and diet quality.
  • Binge eating behaviors were assessed using the Binge Eating Scale.
  • Parallel mediation analysis was employed to test the proposed mediating pathways.

Main Results:

  • Food insecurity was independently associated with binge eating behaviors.
  • Reward-based eating and psychological distress significantly mediated the relationship between food insecurity and binge eating.
  • Diet quality did not emerge as a significant mediator.

Conclusions:

  • Food insecurity contributes to binge eating through heightened reward-based eating drives and psychological distress.
  • Interventions addressing reward sensitivity and distress may be effective in mitigating binge eating associated with food insecurity.
  • Future research should explore social and psychological strategies targeting these identified mechanisms.