Cited by 192Eating Disorders and BehaviorsPsychosomatic Disorders and Their TreatmentsNutrition, Health and Food Behavior

The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.

Altered interoceptive awareness in anorexia nervosa: Effects of meal anticipation, consumption and bodily arousal

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Abstract

OBJECTIVE: Impaired interoceptive awareness (IA), the subjective perception of internal body sensations, has been proposed as a vulnerability or maintaining factor in anorexia nervosa (AN). We examined whether IA of heartbeat and breathing sensations was impaired in AN across a range of arousal levels, and whether it was influenced by meal anticipation and consumption. METHOD: IA was assessed using randomized, double-blinded, bolus intravenous infusions of isoproterenol, a peripheral beta-adrenergic sympathetic agonist, and saline. Fifteen women with AN and 15 age-, and sex- matched healthy comparisons (HC) were evaluated before and after consumption of a 1,000 Calorie meal. During each infusion participants rated their moment-to-moment intensity of heartbeat and breathing sensations with a dial. To measure IA we evaluated interoceptive detection thresholds, retrospective ratings of palpitation and dyspnea intensity, and interoceptive accuracy via correlations between subjective dial ratings and observed heart rate responses. RESULTS: Contrary to prediction the AN group was more likely to report detection of interoceptive sensations across all conditions, an effect driven by false discriminations at low arousal levels. Concordant with prediction, meal anticipation was associated with intensified interoceptive sensations, particularly dyspnea. There were no differences in interoceptive accuracy. DISCUSSION: This represents the first demonstration of interoceptive prediction errors in AN. Although IA is unimpaired at high arousal levels in AN, prediction signals are abnormal at low arousal levels, especially during meal anticipation. Altered interoceptive prediction signaling during meal anticipation could contribute to phenotypes of high anxiety in AN or alternatively, might be explained by enhanced meal associated anxiety.

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  1. 10.1097/00006842-200211000-00001 · DOI
  2. 10.1016/j.eatbeh.2008.02.001 · DOI · Paper page

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Metadata

Authors
Khalsa, S. S., Craske, M. G., Li, W., Vangala, S., Strober, M., & Feusner, J. D.
Affiliations
University of California, Los Angeles (US)
Corresponding author
Khalsa, Sahib S.
Venue
International Journal of Eating Disorders
Publisher
Wiley
Published
2015-02-24
Volume
48
Issue
7
Pages
889-897
ISSN
  • 0276-3478 (ISSN-L)
  • 1098-108X
OpenAlex
W2119880453
Cited by
191
References
42
Citations by year
2026: 15 · 2025: 24 · 2024: 22 · 2023: 18 · 2022: 18 · 2021: 24 · 2020: 27 · 2019: 12 · 2018: 7 · 2017: 15 · 2016: 8 · 2015: 1
FWCI
12.83
Type
journal article
Language
en
Open access
Locations
  • International Journal of Eating Disorders (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Mental Health (3R01MH093535- 02S2)
  • National Center for Advancing Translational Sciences (UL1TR000124)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
  • Health Sciences › Medicine › Psychiatry and Mental health › Psychosomatic Disorders and Their Treatments
  • Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
Keywords
anorexia nervosa, interoceptive awareness, meal ingestion, heartbeat perception, dyspnea, palpitations, isoproterenol infusion, interoceptive accuracy, anxiety
MeSH terms
Anorexia Nervosa, Arousal, Awareness, Female, Humans, Perception, Retrospective Studies, Young Adult

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