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Updated: Nov 23, 2025

Assessment of Stress Effects on Cognitive Flexibility using an Operant Strategy Shifting Paradigm
Published on: May 4, 2020
Cross-sectional and prospective associations between stress, perseverative cognition and health behaviours
Faye Clancy1, Andrew Prestwich1, Eamonn Ferguson2
1School of Psychology, Faculty of Medicine and Health, The University of Leeds, Leeds, UK.
Objectives:
The Perseverative Cognition Hypothesis (proposing negative repetitive thinking has detrimental effects on physical health), has been extended to include health behaviours. This study aimed to examine relationships between perseverative cognition, stress and health behaviours.
Design:
Participants (n = 336) completed online surveys twice, 3 months apart.
Main Outcome Measures:
Cross-sectional and prospective associations between perseverative cognition (worry, brooding and reflection), stress and health behaviours (sleep, diet, physical activity and alcohol).
Results:
Analyses demonstrated associations between worry, brooding and reflection and health behaviours, cross-sectionally and prospectively, including sleep and unhealthy snacking. Adding perseverative cognition variables to models simultaneously, only two associations remained (brooding and unhealthy snacking, worry and poorer sleep quality). Controlling for stress, only the cross-sectional association between brooding and more unhealthy snacking remained significant and no significant interactions with stress were found.
Conclusion:
This study evidences associations between components of perseverative cognition and health behaviours cross-sectionally and prospectively.
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