Article (Scientific journals)
Interoceptive profiles of eating and weight disorders.
LUTZ, Annika; Arend, Ann-Kathrin; Voderholzer, Ulrich et al.
2026In Scientific Reports, 16, p. 1045
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Keywords :
Eating disorders; Heart-rate variability; Heartbeat-evoked potentials; Interoception; Interoceptive accuracy; Obesity; Multidisciplinary
Abstract :
[en] Signals from the body’s interior undergo several interoceptive processing steps, from the periphery to the central nervous system, to conscious recognition and evaluation. Alterations in some of these steps have been reported for eating and weight disorders, but systematic comparisons between steps and disorders are necessary to develop targeted interventions. We recorded electrocardiogram and electroencephalogram from adult women with anorexia nervosa (AN; n = 38), bulimia nervosa (BN; n = 35), binge eating disorder (n = 22), obesity (OB; n = 20), and healthy control individuals (n = 46) during resting state and a heartbeat counting task. On the peripheral level, patients with AN, BN, and OB had reduced vagally-mediated heart-rate variability. On the central level, only patients with AN showed increased processing of heartbeats (heartbeat-evoked potentials). On the conscious level, there were no significant group differences in heartbeat-counting performance, beliefs, or insight, but a marked negative evaluation reported by patients with AN and BN. We conclude that fasting could serve to reduce negatively perceived (AN, BN) and increased (AN) bodily sensations. Overeating is not associated with marked alterations in cardiac interoception. The results do not support the notion of general interoceptive deficits, but rather disorder-specific interoceptive profiles.
Disciplines :
Treatment & clinical psychology
Neurosciences & behavior
Author, co-author :
LUTZ, Annika  ;  University of Luxembourg > Faculty of Humanities, Education and Social Sciences (FHSE) > Department of Behavioural and Cognitive Sciences (DBCS) > Health and Behaviour
Arend, Ann-Kathrin;  Department of Psychology, Division of Clinical Psychology and Health Psychology, Paris-Lodron University Salzburg, Salzburg, Austria ; Centre for Cognitive Neuroscience, Department of Psychology, Paris-Lodron University Salzburg, Salzburg, Austria
Voderholzer, Ulrich;  Department of Psychiatry and Psychotherapy, University Hospital of the LMU Munich, Munich, Germany ; Department of Psychiatry and Psychotherapy, University Hospital Freiburg, Freiburg, Germany ; Schön Klinik Roseneck, Prien am Chiemsee, Germany
VÖGELE, Claus  ;  University of Luxembourg > Faculty of Humanities, Education and Social Sciences (FHSE) > Department of Behavioural and Cognitive Sciences (DBCS) > Health and Behaviour
Blechert, Jens;  Department of Psychology, Division of Clinical Psychology and Health Psychology, Paris-Lodron University Salzburg, Salzburg, Austria ; Centre for Cognitive Neuroscience, Department of Psychology, Paris-Lodron University Salzburg, Salzburg, Austria
External co-authors :
yes
Language :
English
Title :
Interoceptive profiles of eating and weight disorders.
Publication date :
2026
Journal title :
Scientific Reports
eISSN :
2045-2322
Publisher :
Nature Research, England
Special issue title :
Eating behaviour and disorders
Volume :
16
Pages :
1045
Peer reviewed :
Peer Reviewed verified by ORBi
European Projects :
H2020 - 639445 - NewEat - Transdiagnostic views on eating disorders and obesity and new approaches for treatment
Funders :
ERC - European Research Council
European Union
Funding number :
ERC-StG-2014 639445 NewEat
Funding text :
This project was supported by European Research Council grant ERC-StG-2014 639445 NewEat to JB.
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