Article (Scientific journals)
Sleep in disorders of consciousness
Cologan, Victor; Schabus, Manuel; LEDOUX, Didier et al.
2010In Sleep Medicine Reviews, 14 (2), p. 97-105
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Keywords :
consciousness; brain injury; Coma/physiopathology/psychology; Consciousness Disorders/physiopathology/psychology; Persistent Vegetative State/complications/physiopathology/psychology; sleep
Abstract :
[en] From a behavioral as well as neurobiological point of view, sleep and consciousness are intimately connected. A better understanding of sleep cycles and sleep architecture of patients suffering from disorders of consciousness (DOC) might therefore improve the clinical care for these patients as well as our understanding of the neural correlations of consciousness. Defining sleep in severely brain-injured patients is however problematic as both their electrophysiological and sleep patterns differ in many ways from healthy individuals. This paper discusses the concepts involved in the study of sleep of patients suffering from DOC and critically assesses the applicability of standard sleep criteria in these patients. <br /><br />The available literature on comatose and vegetative states as well as that on locked-in and related states following traumatic or non-traumatic severe brain injury will be reviewed. A wide spectrum of sleep disturbances ranging from almost normal patterns to severe loss and architecture disorganization are reported in cases of DOC and some patterns correlate with diagnosis and prognosis. At the present time the interactions of sleep and consciousness in brain-injured patients are a little studied subject but, the authors suggest, a potentially very interesting field of research.
Research Center/Unit :
GIGA CRC (Cyclotron Research Center) In vivo Imaging-Aging & Memory - ULiège
Disciplines :
Neurology
Author, co-author :
Cologan, Victor ;  Université de Liège - ULiège > Doct. sc. bioméd. & pharma. (Bologne)
Schabus, Manuel
LEDOUX, Didier  ;  Centre Hospitalier Universitaire de Liège - CHU > Soins intensifs
MOONEN, Gustave  ;  Centre Hospitalier Universitaire de Liège - CHU > Neurologie Sart Tilman
Maquet, Pierre  ;  Université de Liège - ULiège > Centre de recherches du cyclotron
Laureys, Steven  ;  Université de Liège - ULiège > Centre de recherches du cyclotron
Language :
English
Title :
Sleep in disorders of consciousness
Alternative titles :
[fr] Le sommeil dans les désordres de la conscience
Publication date :
2010
Journal title :
Sleep Medicine Reviews
ISSN :
1087-0792
eISSN :
1532-2955
Publisher :
W.B. Saunders, London, United Kingdom
Volume :
14
Issue :
2
Pages :
97-105
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Austrian Science Fund Erwin-Schrödinger Fellowship J2470-B02
European Commission (DISCOS and Mindbridge),
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE]
JSMF - James S McDonnell Foundation [US-MO] [US-MO]
MSF - Mind Science Foundation [US-TX] [US-TX]
FMRE - Fondation Médicale Reine Elisabeth [BE]
Commentary :
(c) 2009 Elsevier Ltd. All rights reserved.
Available on ORBi :
since 19 February 2010

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