Not all task-unrelated thoughts (TUT) are created equal - TUT characteristics as predictors of affective states and heart-rate variability

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Authors
Skorupski, MichaƂ
Krejtz, Izabela
Barnes, Steven
Baeyens, Celine
Atzeni, Thierry
Kornacka, Monika
Monograph
Monograph (alternative title)
Date
2026
Publisher
Journal title
Scientific Reports
Issue
1
Volume
16
Pages
Pages
1-18
DOI
ISSN
2045-2322
ISSN of series
Weblink
https://www.nature.com/articles/s41598-026-42261-0
Access date
2026-03-12
Abstract PL
Abstract EN
Task-Unrelated Thoughts (TUT) are a prevalent transdiagnostic phenomenon, robustly associated with both adaptive and maladaptive outcomes. However, it is still not clear which factors determine the maladaptive outcomes of TUT. In this study, we focused on analysing the role of a wide spectrum of TUT characteristics in everyday functioning, specifically their associations with momentary affective states, depressive symptoms, heart rate variability, and sleep quality. Forty-seven participants took part in a seven-day ecological momentary protocol, completing momentary and daily questionnaires alongside continuous ECG monitoring. Additionally, trait-level measures of mind-wandering, repetitive negative thinking, and depressive and anxiety symptoms were collected using self-report questionnaires. The results show that TUT Emotional Appraisal—especially perceived burden and thought valence—were significant predictors of affective momentary outcomes. In contrast, perceived usefulness of TUT significantly predicted depressive symptoms at the daily level. Part of the associations between TUT characteristics and outcomes was moderated by individual differences, such as tendency to engage in mind-wandering or repetitive negative thinking, as well as trait-level depressive and anxiety symptoms.
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Keywords EN
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Sustainable Development Goals
SDG 3. Good Health and Well-being
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URI
https://share.swps.edu.pl/handle/swps/2337
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cc-by-nc-nd
Except as otherwise noted, this item is licensed under the Attribution-NonCommercial-NoDerivatives licence | Permitted use of copyrighted works
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Grant/project name
Toward an Integrative Model of Maladaptive Spontaneous Task-Unrelated Thoughts (STUT): A Processual and Functional Approach
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