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Exploration of Interoceptive Capabilities in Avoidant/restrictive Food Intake Disorder and Anorexia Nervosa by Nandini Datta; James D. Lock is a Psychology article available to read on EtoBox.

What is Exploration of Interoceptive Capabilities in Avoidant/restrictive Food Intake Disorder and Anorexia Nervosa about?

## Objective This proof-of-concept study explores the role of aberrant interoception as a possible mechanism underlying restrictive eating symptoms in avoidant/restrictive food intake disorder (ARFID) compared to anorexia nervosa (AN) and healthy comparisons (HC). ## Method We report preliminary normative adolescent interoceptive data in HCs (n = 100) compared to adolescents with ARFID (n = 30) and AN (N = 23). Adolescents (12–18) participated in a one-time virtual visit to assess heartrate guessing accuracy (interoceptive accuracy), correlation between confidence in heartrate guess and accuracy (interoceptive awareness), and self-reported interoception (interoceptive sensibility). ## Results HC adolescents had comparable interoceptive outcomes relative to published adult norms, consistent with existing literature. Data suggest that adolescents with ARFID have poor heartbeat guessing accuracy and experience challenges deciphering interoceptive signals, possibly contributing to symptoms. While adolescents with AN have __greater__ heartbeat guessing accuracy, they cite difficulty trusting body cues, perhaps contributing to their lack of confidence in interoceptive cue detection. ## C

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Author

Nandini Datta; James D. Lock

Publisher

Springer Science and Business Media LLC

Published

2023

Field

Psychology (Social Sciences)