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| Presentation | 2010-07-27 13:50 Brain-computer interface based on steady-state somatosensory evoked potentials -- A basic studies by simulations and high-density EEG measurements -- Hirokazu Kawaguchi, Teruyoshi Sasayama, Shoji Hamada, Tetsuo Kobayashi (Kyoto Univ.)  NC2010-36 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | For the development of BCIs (Brain-Computer Interfaces) extracting brain information with high accuracy, quantitative evaluation of noises superimposed on signals is necessary. The present study focused on a BCI based on SSSEPs (Steady-State Somatosensory Evoked Potentials) and simulated SSSEPs to investigate ability of the BCI. Sinusoidal source signals with fluctuation and background noises were assumed to be generated from the right and left SI (Primary Somastosensory Cortex). Simulated SSSEPs were obtained from the sinusoidal signals by forward problem in an eccentricity three layered sphere model. Simulated data were made by superimposing noises with different signal-to-noise ratio on the simulated SSSEPs. We proposed a novel discriminant method using spectra of PC (Principal Component) score obtained by PCA (Principal Component Analysis) and compared its performance with that of sLORETA (standardized low-resolution brain electromagnetic tomography) by applying the two methods both to simulated and measured data. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | BCI / SSSEP / PCA / sLORETA / spatial filter / linear discriminant / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 149, NC2010-36, pp. 39-44, July 2010. | |
| Paper # | NC2010-36 | |
| Date of Issue | 2010-07-20 (NC) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | NC2010-36 |
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| Conference Information | |
| Committee | NC |
| Conference Date | 2010-07-27 - 2010-07-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kyoto University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Recording and analysis of neuronal activity, etc |
| Paper Information | |
| Registration To | NC |
| Conference Code | 2010-07-NC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Brain-computer interface based on steady-state somatosensory evoked potentials |
| Sub Title (in English) | A basic studies by simulations and high-density EEG measurements |
| Keyword(1) | BCI |
| Keyword(2) | SSSEP |
| Keyword(3) | PCA |
| Keyword(4) | sLORETA |
| Keyword(5) | spatial filter |
| Keyword(6) | linear discriminant |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hirokazu Kawaguchi |
| 1st Author's Affiliation | Kyoto Univercity (Kyoto Univ.) |
| 2nd Author's Name | Teruyoshi Sasayama |
| 2nd Author's Affiliation | Kyoto Univercity (Kyoto Univ.) |
| 3rd Author's Name | Shoji Hamada |
| 3rd Author's Affiliation | Kyoto Univercity (Kyoto Univ.) |
| 4th Author's Name | Tetsuo Kobayashi |
| 4th Author's Affiliation | Kyoto Univercity (Kyoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2010-07-27 13:50:00 |
| Presentation Time | 25 minutes |
| Registration for | NC |
| Paper # | NC2010-36 |
| Volume (vol) | vol.110 |
| Number (no) | no.149 |
| Page | pp.39-44 |
| #Pages | 6 |
| Date of Issue | 2010-07-20 (NC) |
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