Article (Scientific journals)
Rumination and interoceptive accuracy predict the occurrence of the thermal grill illusion of pain
Scheuren, Raymonde; Sütterlin, Stefan; Anton, Fernand
2014In BMC Psychology, 2 (22)
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Keywords :
Interoception; pain illusion; paradoxical pain; responder; rumination; thermal grill illusion
Abstract :
[en] Background: While the physiological mechanisms of the thermal grill illusion of pain (TGI) are largely understood, psychological determinants remain mainly unknown. The present study aimed to investigate whether cognitive and affective personality traits encompassing rumination, interoception and suggestibility contribute to the inducibility of paradoxical pain. Methods: The dominant hand of 54 healthy volunteers was stimulated with a water-bath driven thermal grill providing an interlaced temperature combination of 15 and 41°C. Pain intensity and pain unpleasantness perceptions were rated on a numerical scale (NRS). Traits were assessed via questionnaires, the heartbeat-tracking task, and warmth suggestions. Results: Logistic regression analyses uncovered trait rumination and interoceptive accuracy (IA) as major predictors of the likelihood of the illusive pain occurrence (all p < .05). Rumination and suggestibility had an impact on unpleasant pain perceptions. Conclusion: Our findings demonstrate a significant influence of psychological aspects on the individual disposition to the painful grill illusion (PGI).
Disciplines :
Animal psychology, ethology & psychobiology
Author, co-author :
Scheuren, Raymonde ;  Lillehammer University College, Norway > Section of Psychology
Sütterlin, Stefan ;  Lillehammer University College, Lillehammer, Norway. > Section of Psychology > Professor ; University of Leuven, Leuven, Belgium > Research Group Health Psychology ; Oslo University Hospital – Rikshospitalet, Oslo, Norway > Department of Psychosomatic Medicine > Division of Surgery and Clinical Neuroscience
Anton, Fernand ;  University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) > Integrative Research Unit: Social and Individual Development (INSIDE)
Language :
Title :
Rumination and interoceptive accuracy predict the occurrence of the thermal grill illusion of pain
Publication date :
18 July 2014
Journal title :
BMC Psychology
Publisher :
BioMed Central, United Kingdom
Volume :
Issue :
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
National Research Fund, Luxembourg - grant AFR-PhD2010 1/784732
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