The central role of disgust in disorders of food avoidance

The International Journal of Eating Disorders
Adrianne A HarrisNancy Zucker

Abstract

Individuals with extreme food avoidance such as Avoidant Restrictive Food Intake Disorder (ARFID) experience impairing physical and mental health consequences from nutrition of insufficient variety or/and quantity. Identifying mechanisms contributing to food avoidance is essential to develop effective interventions. Anxiety figures prominently in theoretical models of food avoidance; however, there is limited evidence that repeated exposures to foods increases approach behavior in ARFID. Studying disgust, and relationships between disgust and anxiety, may offer novel insights, as disgust is functionally associated with avoidance of contamination from pathogens (as may occur via ingestion) and is largely resistant to extinction. This exploratory, cross-sectional study included data from 1,644 adults who completed an online questionnaire. Participant responses were used to measure ARFID classification, picky eating, sensory sensitivity, disgust, and anxiety. Structural equation modeling tested a measurement model of latent disgust and anxiety factors as measured by self-reported frequency of disgust and anxiety reactions. Mediational models were used to explore causal ordering. A latent disgust factor was more strongly related to...Continue Reading

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Citations

Oct 23, 2020·European Eating Disorders Review : the Journal of the Eating Disorders Association·Hannah SchöffelRicarda Schmidt
Jan 7, 2021·Current Psychiatry Reports·Lisa M AndersonErin E Reilly
Jul 28, 2020·Appetite·Enrica MarzolaGiovanni Abbate-Daga
May 10, 2021·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Jennifer WagnerAndrea Szymkowiak
Sep 17, 2021·The International Journal of Eating Disorders·Tom HildebrandtRobyn Sysko

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