Article (Scientific journals)
Pain and non-pain processing during hypnosis: a thulium-YAG event-related fMRI study.
Vanhaudenhuyse, Audrey; Boly, Mélanie; Balteau, Evelyne et al.
2009In NeuroImage, 47 (3), p. 1047-54
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Abstract :
[en] The neural mechanisms underlying the antinociceptive effects of hypnosis still remain unclear. Using a parametric single-trial thulium-YAG laser fMRI paradigm, we assessed changes in brain activation and connectivity related to the hypnotic state as compared to normal wakefulness in 13 healthy volunteers. Behaviorally, a difference in subjective ratings was found between normal wakefulness and hypnotic state for both non-painful and painful intensity-matched stimuli applied to the left hand. In normal wakefulness, non-painful range stimuli activated brainstem, contralateral primary somatosensory (S1) and bilateral insular cortices. Painful stimuli activated additional areas encompassing thalamus, bilateral striatum, anterior cingulate (ACC), premotor and dorsolateral prefrontal cortices. In hypnosis, intensity-matched stimuli in both the non-painful and painful range failed to elicit any cerebral activation. The interaction analysis identified that contralateral thalamus, bilateral striatum and ACC activated more in normal wakefulness compared to hypnosis during painful versus non-painful stimulation. Finally, we demonstrated hypnosis-related increases in functional connectivity between S1 and distant anterior insular and prefrontal cortices, possibly reflecting top-down modulation.
Disciplines :
Neurology
Anesthesia & intensive care
Author, co-author :
Vanhaudenhuyse, Audrey  ;  Université de Liège - ULiège > Centre de recherches du cyclotron
Boly, Mélanie ;  Université de Liège - ULiège > Département des sciences cliniques > Neurologie
Balteau, Evelyne ;  Université de Liège - ULiège > Centre de recherches du cyclotron
Schnakers, Caroline ;  Université de Liège - ULiège > Centre de recherches du cyclotron
Moonen, Gustave  ;  Centre Hospitalier Universitaire de Liège - CHU > Neurologie Sart Tilman
Luxen, André ;  Université de Liège - ULiège > Centre de Recherches du cyclotron - Département de chimie (sciences) > Chimie organique de synthèse - Centre de recherches du cyclotron
Lamy, Maurice ;  Centre Hospitalier Universitaire de Liège - CHU > Anesthésie et réanimation
Degueldre, Christian ;  Université de Liège - ULiège > Centre de recherches du cyclotron
Brichant, Jean-François ;  Centre Hospitalier Universitaire de Liège - CHU > Anesthésie et réanimation
Maquet, Pierre  ;  Centre Hospitalier Universitaire de Liège - CHU > Neurologie Sart Tilman
Laureys, Steven  ;  Université de Liège - ULiège > Centre de recherches du cyclotron - Département des sciences cliniques
Faymonville, Marie ;  Centre Hospitalier Universitaire de Liège - CHU > Anesthésie et réanimation
Language :
English
Title :
Pain and non-pain processing during hypnosis: a thulium-YAG event-related fMRI study.
Publication date :
2009
Journal title :
NeuroImage
ISSN :
1053-8119
eISSN :
1095-9572
Publisher :
Elsevier Science, Orlando, United States - Florida
Volume :
47
Issue :
3
Pages :
1047-54
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
EU - European Commission
JSMF - James S McDonnell Foundation [US-MO]
MSF - Mind Science Foundation [US-TX]
French Speaking Community Concerted Research Action
FMRE - Fondation Médicale Reine Elisabeth [BE]
Available on ORBi :
since 27 October 2009

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