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ID: 312053.0, MPI für biologische Kybernetik / Biologische Kybernetik
Time-Dependent Demixing of Task-Relevant EEG Signals
Authors:Hill, N.J.; Farquhar, J.; Lal, T.N.; Schölkopf, B.
Date of Publication (YYYY-MM-DD):2006-09
Title of Proceedings:Proceedings of the 3rd International Brain-Computer Interface Workshop and Training Course 2006
Start Page:20
End Page:21
Physical Description:2
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:Given a spatial filtering algorithm that has allowed us to identify task-relevant EEG sources, we present a simple approach
for monitoring the activity of these sources while remaining relatively robust to changes in other (task-irrelevant) brain activity. The idea is to keep spatial *patterns* fixed rather than spatial filters, when transferring from
training to test sessions or from one time window to another. We show that a fixed spatial pattern (FSP)
approach, using a moving-window estimate of signal covariances, can be more robust to non-stationarity than a fixed spatial filter (FSF) approach.
External Publication Status:published
Document Type:Conference-Paper
Communicated by:Holger Fischer
Affiliations:MPI für biologische Kybernetik/Empirical Inference (Dept. Schölkopf)
Identifiers:LOCALID:4244
URL:http://eprints.pascal-network.org/archive/00002671...
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