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Paper Abstract and Keywords
Presentation 2012-05-25 11:20
Silent speech BCI -- Bereitschaftspotential during actual and silent janken tasks --
Masaya Yamada, Toshimasa Yamazaki (KIT), Ken-ichi Kamijo (NEC), Takahiro Yamanoi (Hokkai Gakuen University)
Abstract (in Japanese) (See Japanese page) 
(in English) We have developed a new single-trial-EEG-based BCI using silent speech tasks. This BCI consists of two phases. The first phase utilized EEGs recorded during actual janken tasks, while the second those during silent janken ones. Assuming that the EEGs thus obtained involve Bereitschaftspotential (-like) components, the first phase specified a Kalman filter model using speech signals and the EEGs whose dipoles were located at the primary motor cortex, the premotor cortex or Broca’s area. Then, the second predicted spectrograms by the Kalman filter model with EEGs, recorded during the silent janken tasks, whose dipoles were localized to the primary motor cortex, the premotor cortex or Broca’s area. In order to validate the above assumption, this study examined grand averages of the single-trial EEGs for the actual and silent janken, and compared them with the previous researches.
Keyword (in Japanese) (See Japanese page) 
(in English) silent speech / BCI / ICA / ECDL / Kalman filter / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 63, MBE2012-3, pp. 13-16, May 2012.
Paper # MBE2012-3 
Date of Issue 2012-05-18 (MBE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee MBE  
Conference Date 2012-05-25 - 2012-05-25 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To MBE 
Conference Code 2012-05-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Silent speech BCI 
Sub Title (in English) Bereitschaftspotential during actual and silent janken tasks 
Keyword(1) silent speech  
Keyword(2) BCI  
Keyword(3) ICA  
Keyword(4) ECDL  
Keyword(5) Kalman filter  
1st Author's Name Masaya Yamada  
1st Author's Affiliation Kyushu Institute of Technology (KIT)
2nd Author's Name Toshimasa Yamazaki  
2nd Author's Affiliation Kyushu Institute of Technology (KIT)
3rd Author's Name Ken-ichi Kamijo  
3rd Author's Affiliation NEC (NEC)
4th Author's Name Takahiro Yamanoi  
4th Author's Affiliation Hokkai Gakuen University (Hokkai Gakuen University)
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Date Time 2012-05-25 11:20:00 
Presentation Time 25 
Registration for MBE 
Paper # IEICE-MBE2012-3 
Volume (vol) IEICE-112 
Number (no) no.63 
Page pp.13-16 
#Pages IEICE-4 
Date of Issue IEICE-MBE-2012-05-18 

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