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Authors: Michal, Matthias
Reuchlein, Bettina
Adler, Julia
Reiner, Iris
Beutel, Manfred E.
Vögele, Claus
Schächinger, Hartmut
Schulz, André
Title: Striking discrepancy of anomalous body experiences with normal interoceptive accuracy in depersonalization-derealization disorder
Online publication date: 13-Oct-2022
Year of first publication: 2014
Language: english
Abstract: BACKGROUND: Disembodiment is a core feature of depersonalization disorder (DPD). Given the narratives of DPD patients about their disembodiment and emotional numbing and neurobiological findings of an inhibition of insular activity, DPD may be considered as a mental disorder with specific impairments of interoceptive awareness and body perception. METHODS: We investigated cardioceptive accuracy (CA) of DPD patients (n=24) as compared to healthy controls (n=26) with two different heartbeat detection tasks ("Schandry heartbeat counting task" and "Whitehead heartbeat discrimination task"). Self-rated clearness of body perception was measured by questionnaire. RESULTS: Contrary to our hypothesis, DPD patients performed similarly to healthy controls on the two different heartbeat detection tasks, and they had equal scores regarding their self-rated clearness of body perception. There was no correlation of the severity of "anomalous body experiences" and depersonalization with measures of interoceptive accuracy. Only among healthy controls CA in the Schandry task was positively correlated with self-rated clearness of body perception. Depersonalization was unrelated to severity of depression or anxiety, while depression and anxiety were highly correlated. Anxiety and depression did not modify the associations of depersonalization with interoceptive accuracy. CONCLUSIONS: Our main findings highlight a striking discrepancy of normal interoception with overwhelming experiences of disembodiment in DPD. This may reflect difficulties of DPD patients to integrate their visceral and bodily perceptions into a sense of their selves. This problem may be considered an important target for psychotherapeutic treatment approaches.
DDC: 610 Medizin
610 Medical sciences
Institution: Johannes Gutenberg-Universität Mainz
Department: FB 04 Medizin
Place: Mainz
Version: Published version
Publication type: Zeitschriftenaufsatz
License: CC BY
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Journal: PLoS one
Pages or article number: e89823
Publisher: PLoS
Publisher place: Lawrence, Kan.
Issue date: 2014
ISSN: 1932-6203
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Publisher DOI: 10.1371/journal.pone.0089823
Appears in collections:DFG-OA-Publizieren (2012 - 2017)

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