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Motor Outcomes of Repetitive Transcranial Magnetic Stimulation Are Dependent on the Specific Interneuron Circuit Targeted Read chapter Read first chapter

2017 | OriginalPaper | Chapter

How Many EEG Channels Are Optimal for a Motor Imagery Based BCI for Stroke Rehabilitation?

Authors : Ren Xu, Brendan Z. Allison, Rupert Ortner, Danut C. Irimia, Arnau Espinosa, Alexander Lechner, Christoph Guger

Published in: Converging Clinical and Engineering Research on Neurorehabilitation II

Publisher: Springer International Publishing

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Abstract

The optimal number of EEG channels is a controversial issue for motor imagery based BCIs for stroke rehabilitation. In this study, we compared the BCI performance with 63, 27 and 16 channels of EEG on three stroke patients across 10 to 24 sessions, and demonstrated that the 16 channels montage yields similar classification error (21.3 ± 11.6, 10.5 ± 6.6 and 16.0 ± 12.6 % for these patients respectively) to montages with larger number of channels. This is important for practical applications in stroke rehabilitation, since fewer channels means lower cost, less preparation time and easier maintenance.

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previous chapter Pseudo-Online Detection of Intention of Pedaling Start Cycle Through EEG Signals
next chapter Non-supervised Feature Selection: Evaluation in a BCI for Single-Trial Recognition of Gait Preparation/Stop
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Metadata
Title
How Many EEG Channels Are Optimal for a Motor Imagery Based BCI for Stroke Rehabilitation?
Authors
Ren Xu
Brendan Z. Allison
Rupert Ortner
Danut C. Irimia
Arnau Espinosa
Alexander Lechner
Christoph Guger
Copyright Year
2017
Book
Converging Clinical and Engineering Research on Neurorehabilitation II

Print ISBN: 978-3-319-46668-2

Electronic ISBN: 978-3-319-46669-9

Copyright Year: 2017

DOI
https://doi.org/10.1007/978-3-319-46669-9_180