Article (Scientific journals)
Coma and consciousness: Paradigms (re)framed by neuroimaging.
Laureys, Steven; Schiff, N.
2012In NeuroImage
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Keywords :
coma; vegetative state; minimally conscious state; fMRI; PET; consciousness; traumatic brain injury
Abstract :
[en] The past 15years has provided an unprecedented collection of discoveries that bear upon our scientific understanding of recovery of consciousness in the human brain following severe brain damage. Highlighted among these discoveries are unique demonstrations that patients with little or no behavioral evidence of conscious awareness may retain critical cognitive capacities and the first scientific demonstrations that some patients, with severely injured brains and very longstanding conditions of limited behavioral responsiveness, may nonetheless harbor latent capacities for significant recovery. Included among such capacities are particularly human functions of language and higher-level cognition that either spontaneously or through direct interventions may reemerge even at long time intervals or remain unrecognized. Collectively, these observations have reframed scientific inquiry and further led to important new insights into mechanisms underlying consciousness in the human brain. These studies support a model of consciousness as the emergent property of the collective behavior of widespread frontoparietal network connectivity modulated by specific forebrain circuit mechanisms. We here review these advances in measurement and the scientific and broader implications of this rapidly progressing field of research.
Research center :
GIGA CRC (Cyclotron Research Center) In vivo Imaging-Aging & Memory - ULiège
Disciplines :
Neurology
Author, co-author :
Laureys, Steven  ;  Université de Liège - ULiège > Centre de recherches du cyclotron, Coma science group, service de neurologie
Schiff, N.
Language :
English
Title :
Coma and consciousness: Paradigms (re)framed by neuroimaging.
Publication date :
2012
Journal title :
NeuroImage
ISSN :
1053-8119
eISSN :
1095-9572
Publisher :
Elsevier Science, Orlando, United States - Florida
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Commentary :
Copyright (c) 2011. Published by Elsevier Inc.
Available on ORBi :
since 12 January 2012

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