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  Time-Dependent Demixing of Task-Relevant EEG Signals

Hill, N., Farquhar, J., Lal, T., & Schölkopf, B. (2006). Time-Dependent Demixing of Task-Relevant EEG Signals. In G. Müller-Putz (Ed.), 3rd International Brain-Computer Interface Workshop and Training Course 2006 (pp. 20-21). Graz, Austria: Verlag der Technischen Universität Graz.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-D069-D Version Permalink: http://hdl.handle.net/21.11116/0000-0004-99CF-7
Genre: Conference Paper

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 Creators:
Hill, NJ1, 2, Author              
Farquhar, J1, 2, Author              
Lal, TN1, 2, Author              
Schölkopf, B1, 2, 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, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: 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.

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Language(s):
 Dates: 2006-09
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: BibTex Citekey: 4244
 Degree: -

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Title: 3rd International Brain-Computer Interface Workshop and Training Course 2006
Place of Event: Graz, Austria
Start-/End Date: 2006-09-21 - 2006-09-24

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Source 1

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Title: 3rd International Brain-Computer Interface Workshop and Training Course 2006
Source Genre: Proceedings
 Creator(s):
Müller-Putz, GR, Editor
Affiliations:
-
Publ. Info: Graz, Austria : Verlag der Technischen Universität Graz
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 20 - 21 Identifier: ISBN: 3-902465-46-8