Localization of class-related mu-rhythm desynchronization in motor imagery based brain-computer interface sessions.

Stefan Haufe; Ryota Tomioka; Thorsten Dickhaus; Claudia Sannelli; Benjamin Blankertz; Guido Nolte; Klaus Robert Muller

Localization of class-related mu-rhythm desynchronization in motor imagery based brain-computer interface sessions.

Stefan Haufe, Ryota Tomioka, Thorsten Dickhaus, Claudia Sannelli, Benjamin Blankertz, Guido Nolte, Klaus Robert Muller

Research output: Contribution to journal › Article › peer-review

Abstract

We localize the sources of class-dependent event-related desynchronisation (ERD) of the mu-rhythm related to different types of motor imagery in Brain-Computer Interfacing (BCI) sessions. Our approach is based on localization of single-trial Fourier coefficients using sparse basis field expansions (S-FLEX). The analysis reveals focal sources in the sensorimotor cortices, a finding which can be regarded as a proof for the expected neurophysiological origin of the BCI control signal. As a technical contribution, we extend S-FLEX to the multiple measurement case in a way that the activity of different frequency bins within the mu-band is coherently localized.

Original language	English
Pages (from-to)	5137-5140
Number of pages	4
Journal	Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference
Publication status	Published - 2010 Dec 1
Externally published	Yes

ASJC Scopus subject areas

Computer Vision and Pattern Recognition
Signal Processing
Biomedical Engineering
Health Informatics

Cite this

Haufe, S., Tomioka, R., Dickhaus, T., Sannelli, C., Blankertz, B., Nolte, G., & Muller, K. R. (2010). Localization of class-related mu-rhythm desynchronization in motor imagery based brain-computer interface sessions. Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, 5137-5140.

Localization of class-related mu-rhythm desynchronization in motor imagery based brain-computer interface sessions. / Haufe, Stefan; Tomioka, Ryota; Dickhaus, Thorsten et al.
In: Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, 01.12.2010, p. 5137-5140.

Research output: Contribution to journal › Article › peer-review

Haufe, S, Tomioka, R, Dickhaus, T, Sannelli, C, Blankertz, B, Nolte, G & Muller, KR 2010, 'Localization of class-related mu-rhythm desynchronization in motor imagery based brain-computer interface sessions.', Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, pp. 5137-5140.

Haufe S, Tomioka R, Dickhaus T, Sannelli C, Blankertz B, Nolte G et al. Localization of class-related mu-rhythm desynchronization in motor imagery based brain-computer interface sessions. Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference. 2010 Dec 1;5137-5140.

Haufe, Stefan ; Tomioka, Ryota ; Dickhaus, Thorsten et al. / Localization of class-related mu-rhythm desynchronization in motor imagery based brain-computer interface sessions. In: Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference. 2010 ; pp. 5137-5140.

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Localization of class-related mu-rhythm desynchronization in motor imagery based brain-computer interface sessions.

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ASJC Scopus subject areas

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