Brain potentials in human patients with extremely severe diffuse brain damage.

@article{Kotchoubey2001BrainPI,
  title={Brain potentials in human patients with extremely severe diffuse brain damage.},
  author={Boris Kotchoubey and Simone Lang and R Baales and Edeltraut Herb and Philippe Maurer and G. Mezger and Dieter Schmalohr and Vladimir Bostanov and Niels Birbaumer},
  journal={Neuroscience letters},
  year={2001},
  volume={301 1},
  pages={37-40}
}
To test higher cortical functions of neurological patients, oddball tasks are often used in which a frequent and a rare stimulus are randomly presented and a P3 brain wave is recorded to the rare stimulus. We examined 33 patients with extremely severe brain injury. Three oddball conditions were used: with two sine tones (ST), with two complex tones (CT) and with vowels 'o' and 'i'. Across all patients, CT elicited P3 more often than ST, and the occurrence of the P3 after vowels was intermediate… CONTINUE READING
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