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  Voluntary brain regulation and communication with electrocorticogram signals

Hinterberger, T., Widmann, G., Lal, T., Hill, J., Tangermann, M., Rosenstiel, W., et al. (2008). Voluntary brain regulation and communication with electrocorticogram signals. Epilepsy and Behavior, 13(2), 300-306. doi:10.1016/j.yebeh.2008.03.014.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-3002-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-3003-3
Genre: Journal Article

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Hinterberger, T, Author
Widmann, G, Author
Lal, TN1, 2, Author              
Hill, JN1, 2, Author              
Tangermann, M, Author
Rosenstiel , W, Author
Schölkopf, B1, 2, Author              
Elger, C, Author
Birbaumer, N, Author
Affiliations:
1Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497795              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              

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 Abstract: Brain–computer interfaces (BCIs) can be used for communication in writing without muscular activity or for learning to control seizures by voluntary regulation of brain signals such as the electroencephalogram (EEG). Three of five patients with epilepsy were able to spell their names with electrocorticogram (ECoG) signals derived from motor-related areas within only one or two training sessions. Imagery of finger or tongue movements was classified with support-vector classification of autoregressive coefficients derived from the ECoG signals. After training of the classifier, binary classification responses were used to select letters from a computer-generated menu. Offline analysis showed increased theta activity in the unsuccessful patients, whereas the successful patients exhibited dominant sensorimotor rhythms that they could control. The high spatial resolution and increased signal-to-noise ratio in ECoG signals, combined with short training periods, may offer an alternative for communication in complete paralysis, locked-in syndrome, and motor restoration.

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 Dates: 2008-08
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.yebeh.2008.03.014
 Degree: -

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Title: Epilepsy and Behavior
Source Genre: Journal
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Publ. Info: San Diego, CA, USA : Elsevier
Pages: - Volume / Issue: 13 (2) Sequence Number: - Start / End Page: 300 - 306 Identifier: ISSN: 1525-5050
CoNE: https://pure.mpg.de/cone/journals/resource/1525-5050