Article (Scientific journals)
Cognitive Event-Related Potentials in Comatose and Post-Comatose States
Vanhaudenhuyse, Audrey; Laureys, Steven; Perrin, F.
2008In Neurocritical Care, 8 (2), p. 262-70
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Keywords :
Coma; vegetative state; Minimally conscious state; ERPs; N100; MMN; P300; N400
Abstract :
[en] We review the interest of cognitive event-related potentials (ERPs) in comatose, vegetative, or minimally conscious patients. Auditory cognitive ERPs are useful to investigate residual cognitive functions, such as echoic memory (MMN), acoustical and semantic discrimination (P300), and incongruent language detection (N400). While early ERPs (such as the absence of cortical responses on somatosensory-evoked potentials) predict bad outcome, cognitive ERPs (MMN and P300) are indicative of recovery of consciousness. In coma-survivors, cognitive potentials are more frequently obtained when using stimuli that are more ecologic or have an emotional content (such as the patient's own name) than when using classical sine tones.
Disciplines :
Neurology
Author, co-author :
Vanhaudenhuyse, Audrey  ;  Université de Liège - ULiège > Centre de recherches du cyclotron
Laureys, Steven  ;  Université de Liège - ULiège > Centre de recherches du cyclotron
Perrin, F.
Language :
English
Title :
Cognitive Event-Related Potentials in Comatose and Post-Comatose States
Publication date :
2008
Journal title :
Neurocritical Care
ISSN :
1541-6933
eISSN :
1556-0961
Publisher :
Humana Press, United States
Volume :
8
Issue :
2
Pages :
262-70
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
FMRE - Fondation Médicale Reine Elisabeth [BE]
EU - European Commission
JSMF - James S McDonnell Foundation [US-MO]
MSF - Mind Science Foundation [US-TX]
Concerted Research Action
Fondation Léon Fredericq [BE]
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