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International Conference on Nonlinear Dynamics of Electronic Systems

NDES 2014: Nonlinear Dynamics of Electronic Systems pp 363–370Cite as

Using Coherence for Robust Online Brain-Computer Interface (BCI) Control

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Part of the Communications in Computer and Information Science book series (CCIS,volume 438)

Abstract

A Brain-Computer Interface (BCI) enables the user to control a computer by brain activity only. In this paper we investigated the use of different brain connectivity methods to control a Magnetoencephalography (MEG)-based Brain-Computer Interface (BCI). We compared the use of coherence, phase synchronisation and a widely used method for spectral power estimation and found coherence to be a more robust feature extraction method, when using the BCI over a longer time interval across sessions. To validate these results we implemented an online BCI system using coherence and could show that coherence also performed more robust in an online setting than traditional methods.

Keywords

  • Brain connectivity
  • Brain-Computer Interface (BCI)
  • Coherence
  • Magnetoencephalogrpahy (MEG)
  • non-stationarity

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  • DOI: 10.1007/978-3-319-08672-9_43
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Author information

Authors and Affiliations

  1. Wilhelm-Schickard-Institute for Computer Science, University of Tübingen, Germany

    Martin Spüler, Wolfgang Rosenstiel & Martin Bogdan

  2. Computer Engineering, University of Leipzig, Germany

    Martin Bogdan

Authors
  1. Martin Spüler
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  2. Wolfgang Rosenstiel
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  3. Martin Bogdan
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Editor information

Editors and Affiliations

  1. Technical University of Sofia, 8 St. Kl. Ohridski Blvd., 1000, Sofia, Bulgaria

    Valeri M. Mladenov

  2. Physics Department, Boston University, 590 Commonwealth Avenue, 02215, Boston, MA, USA

    Plamen Ch. Ivanov

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Spüler, M., Rosenstiel, W., Bogdan, M. (2014). Using Coherence for Robust Online Brain-Computer Interface (BCI) Control. In: Mladenov, V.M., Ivanov, P.C. (eds) Nonlinear Dynamics of Electronic Systems. NDES 2014. Communications in Computer and Information Science, vol 438. Springer, Cham. https://doi.org/10.1007/978-3-319-08672-9_43

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  • DOI: https://doi.org/10.1007/978-3-319-08672-9_43

  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-08671-2

  • Online ISBN: 978-3-319-08672-9

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