A multi-site German validation of the Interoceptive Accuracy Scale and its relation to psychopathological symptom burden

Author(s)
Sebastian Brand, Annelie Claudia Meis, Markus Roman Tünte, Jennifer Murphy, Joshua Pepe Woller, Stefanie Maria Jungmann, Michael Witthöft, Stefanie Hoehl, Mathias Weymar, Christiane Hermann, Carlos Ventura-Bort
Abstract

Altered interoception is thought to be implicated in the development of psychopathology. Recent proposals highlight the need to differentiate between dimensions of interoception to better understand its relation to mental health. Here, we validated a German version of the Interoceptive Accuracy Scale (IAS) and investigated the relationship between IAS scores and clinical outcomes, across seven samples from four research centers (N = 3462). The German IAS version was best explained by a one-factor structure that showed acceptable psychometric properties. We replicated previous findings showing a negative association between IAS scores and measures of alexithymia. IAS scores were negatively related to measures of clinical symptomatology (e.g., anxiety, depressive, and somatoform symptoms) and neurotic traits. These findings suggest that the German IAS is a reliable and valid instrument for subjective interoceptive accuracy. Results emphasize the importance of distinguishing between dimensions of interoception to understand its potential modulatory and protective role in psychopathology.

Organisation(s)
Department of Developmental and Educational Psychology
External organisation(s)
Johannes Gutenberg-Universität Mainz, Justus-Liebig-Universität Gießen (JLU), Royal Holloway University of London, Universität Potsdam
Journal
Communications Psychology
Volume
1
ISSN
2731-9121
DOI
https://doi.org/10.1038/s44271-023-00016-x
Publication date
09-2023
Peer reviewed
Yes
Austrian Fields of Science 2012
501010 Clinical psychology
Sustainable Development Goals
SDG 3 - Good Health and Well-being
Portal url
https://ucrisportal.univie.ac.at/en/publications/10ed19f1-1228-40ed-8644-7edb3869c749