Cognitive event-related potentials in comatose and post-comatose states.

  title={Cognitive event-related potentials in comatose and post-comatose states.},
  author={Audrey Vanhaudenhuyse and Steven Laureys and Fabien Perrin},
  journal={Neurocritical care},
  volume={8 2},
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… CONTINUE READING


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