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Hypnotic automaticity in the brain at rest: an arterial spin labelling study

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Rainville, Pierre et Streff, Anouk et Chen, Jen-I et Houzé, Bérengère et Desmarteaux, Carolane et Piché, Mathieu (2019). Hypnotic automaticity in the brain at rest: an arterial spin labelling study. International Journal of Clinical and Experimental Hypnosis, 67 (4). p. 512-542. ISSN 0020-7144 DOI 10.1080/00207144.2019.1650578

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Résumé

The feeling of automaticity reported by individuals undergoing a hypnotic procedure is an essential dimension of hypnosis phenomenology. In the present study, healthy participants rated their subjective experience of automaticity and resting-state arterial spin labelling (ASL) scans were acquired before and after a standard hypnotic induction (i.e., “neutral hypnosis”). The increase in perceived automaticity was positively associated with activity in the parietal operculum (PO) and seed-based coactivation analysis revealed additional associations in the anterior part of the supracallosal cingulate cortex (aMCC). This is consistent with the role of these regions in perceived self-agency and volition and demonstrates that these effects can be evidenced at rest, in the absence of overt motor challenges. Future studies should further examine if/how these changes in brain activity associated with automaticity might facilitate the responses to suggestions and contribute to clinical benefits of hypnosis. ©, Copyright © International Journal of Clinical and Experimental Hypnosis.

Type de document: Article
Mots-clés libres: adult arterial spin labeling article brain function cingulate gyrus cognition controlled study female human human experiment hypnosis male parietal operculum plant seed brain diagnostic imaging middle aged neuroimaging nuclear magnetic resonance imaging parietal lobe physiology young adult spin label Gyrus Cinguli humans magnetic resonance imaging spin labels
Date de dépôt: 26 avr. 2021 19:24
Dernière modification: 26 avr. 2021 19:24
Version du document déposé: Post-print (version corrigée et acceptée)
URI: http://depot-e.uqtr.ca/id/eprint/9579

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