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A novel self-report scale of interoception: the three-domain interoceptive sensations questionnaire (THISQ)

  • Vlemincx, Elke;
  • Walentynowicz, Marta; 79433;
  • Zamariola, Giorgia;
  • Van Oudenhove, Lukas; 27997;
  • Luminet, Olivier;
Publication Date
Nov 21, 2021
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OBJECTIVES: The self-reported perception of bodily sensations is assumed predictive for health and disease. Existing questionnaires mostly focus on aversive sensations, and associated emotions and cognitions, which potentially confounds associations between interoception and illness. Therefore, we developed the Three-domain Interoceptive Sensations Questionnaire (THISQ), assessing self-reported perception of neutral respiratory, cardiac, and gastroesophageal sensations. DESIGN: Using cross-sectional surveys, we developed and validated the THISQ. MAIN OUTCOME MEASURES: In Sample 1 (n = 357), a pool of 28 Dutch items was subjected to exploratory factor analysis. Eighteen items with a primary factor loading >.40 were retained for confirmatory factor analysis in Sample 2 (n = 374) and Sample 3 (n = 484) for the validation of the Dutch and English questionnaire, respectively. RESULTS: Analyses supported the 3-factor solution: cardiorespiratory activation, cardiorespiratory deactivation, and gastroesophageal sensations. Scales showed acceptable to good internal consistency. Convergent validity was confirmed by significant medium associations between THISQ scores and other self-report measures of interoception. Divergent validity was supported by non-significant or small associations with measures of negative affectivity and symptom-related anxiety. CONCLUSION: Our findings suggest that the Dutch and English THISQs are valid and reliable self-report measures of interoception, which could advance our understanding of interoceptive processes in health and disease. UNLABELLED: Supplemental data for this article is available online at . / status: published

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