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The letter recognition using BCI system

  • Received : 2011.08.08
  • Accepted : 2011.09.10
  • Published : 2011.09.28

Abstract

In this paper, we show how such enhancement of Farwell-Donchin BCI enables a fresh, inexperienced user to achieve quickly an accurate BCI control with a high information transfer rate. This paper presents the results of a BCI experiment where the participant, who had no previous BCI experience, obtained, in about 20 min, a highly reliable and fast control over the BCI spelling device based on the Farwell-Donchin paradigm. Offline analysis showed that the high performance of the BCI was, to a high extent, due to the use of the ERP component N1, in addition to component P300, which has been considered the only ERP component important for the prediction of user's choice in the Farwell-Donchin paradigm in many publications.

Keywords

References

  1. J.R. Wolpaw, N. Birbaumer, D.J. McFarland, G. Pfurtscheller, and T.M. Vaughan, "Brain-computer interfaces for communication and control", Clin Neurophysiol., vol. 113, no. 6, 2002, pp.767-791. https://doi.org/10.1016/S1388-2457(02)00057-3
  2. L.A. Farwell and E. Donchin, "Talking off the top of your head: toward a mental prosthesis utilizing event-related brain potentials", Electroencephalogr Clin Neurophysiol., vol. 70, no. 6, 1988, pp.510-523. https://doi.org/10.1016/0013-4694(88)90149-6
  3. E.W. Sellers, D.J. Krusienski, D.J. McFarland, T.M. Vaughan, and J.R. Wolpaw, "A P300 event-related potential brain-computer interface (BCI): the effects of matrix size and inter stimulus interval on performance", Biol. Psychol., vol. 73, no. 3, 2006, pp.242-252. https://doi.org/10.1016/j.biopsycho.2006.04.007
  4. E.W. Sellers, D.J. Krusienski, D.J. McFarland, and J.R. Wolpaw, "Non-invasive brain-computer interface research at the Wadsworth Center. In: Dornhege, Millan, Hinterberger, McFarland, Muller (Eds.). Towards brain-computer interfacing", MIT Press, 2007, pp. 31-42.
  5. D.J. Krusienski, E.W. Sellers, D.J. McFarland, T.M. Vaughan, and J.R. Wolpaw, "Toward enhanced P300 speller performance", J Neurosci. Methods, vol. 167, no. 1, 2008, pp.15-21. https://doi.org/10.1016/j.jneumeth.2007.07.017
  6. U. Hoffmann, J.M. Vesin, T. Ebrahimi, and K. Diserens, "An efficient P300-based brain-computer interface for disabled subjects", J Neurosci. Methods, vol. 167, no. 1, 2008, pp.115-125. https://doi.org/10.1016/j.jneumeth.2007.03.005
  7. L. Alexander, K. Matthias, and J. Helge, "An adaptive P300-based online brain-computer interface", IEEE Trans. Neural Sys. and Reh. Eng., vol. 16, no. 2, 2008, pp.121-130. https://doi.org/10.1109/TNSRE.2007.912816
  8. F. Sharbrough, G.E. Chatrian, R.P. Lesser, H. Luders, M. Nuwer, and T.W. Picton, "American Electroencephalographic Society guidelines for standard electrode position nomenclature", J. Clin. Neurophysiol, 1991, pp. 200-202.
  9. G. Schalk, D.J. McFarland, T. Hinterberger, N. Birbaumer, and J.R. Wolpaw, "BCI2000: a general-purpose brain-computer interface (BCI) system", IEEE Trans. Biomed. Eng., vol. 51, no. 6, 2004, pp.1034-1043. https://doi.org/10.1109/TBME.2004.827072