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Related Experiment Video

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Intermittent Binge-Intake Model in Mice

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Published on: January 10, 2025

The relationship between dissociation and binge eating.

Matthew Fuller-Tyszkiewicz¹, Alexander J Mussap

¹School of Psychology, Deakin University, Melbourne, 3125, Australia. mdfu@deakin.edu.au

Journal of Trauma & Dissociation : the Official Journal of the International Society for the Study of Dissociation (ISSD)

|December 2, 2008

Summary

Dissociation, particularly body-specific symptoms, is linked to binge eating. This relationship is primarily explained by body dissatisfaction, highlighting body image vulnerability in disordered eating.

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Published on: May 10, 2022

Area of Science:

Psychology
Clinical Psychology
Eating Disorders

Background:

A clear understanding of the psychological mechanisms linking dissociation and binge eating is lacking.
Existing research suggests dissociation may disinhibit eating control or impair self-awareness and body image.

Purpose of the Study:

To investigate the psychological mediators, specifically self-awareness and body image factors, underlying the dissociation-binge eating relationship.
To determine if dissociation's impact on behavioral control or self-awareness is more significant.

Main Methods:

151 female university students completed self-report measures.
Assessed dissociation (somatic symptoms), body dissatisfaction, impulsivity, thin ideal internalization, body comparison, and binge eating.
Employed correlational, regression, and path analyses to examine mediation models.

Main Results:

A significant relationship was found between dissociation and binge eating, specifically linked to somatic dissociation symptoms.
Body dissatisfaction, body comparison, and impulsivity were identified as mediators.
In a comprehensive model, only body dissatisfaction uniquely mediated the relationship between somatic dissociation and binge eating.

Conclusions:

The findings support a body image vulnerability model for the dissociation-binge eating link, emphasizing somatic dissociation symptoms.
Body dissatisfaction plays a crucial role as a unique mediator.
Future research should explore dissociation's connection to a wider spectrum of disordered eating behaviors beyond binge eating.