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| Presentation | 2012-06-22 15:00 Spectral analysis of electroencephalogram in focal hand dystonia Yasunari Hashimoto (Kitami Inst. of Tech.), Tetsuo Ota (Asahikawa Med. Univ.)  MBE2012-22 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Dystonia is a disorder of movement characterized by involuntary, sustained muscle contractions, frequently causing twisting and repetitive movements or abnormal postures. Neuronal mechanism underlying dystonia poorly understood and no effective treatment for every patient with dystonia has been found yet. Our study aimed to develop a novel treatment using brain-machine interface system that changes stability of neural circuits in the cortex by bypassing brain and external world without the normal neuromuscular pathway. To achieve this purpose, we recorded electroencephalograms (10 channels) and forearm electromyograms (3 channels) from 2 patients with the diagnosis of writer's cramp as a preliminary experiment. In the analysis, a time-frequency representation of each electroencephalographic signal and coherence between electroencephalographic and electromyographic signals were computed. Comparing to the patients with dystonia (not writer’s cramp) and healthy subjects, the result clearly shows a prominent of electroencephalographic activity in specific frequency band where is functional coupling between cortical activity and electromyograms during sustained contractions. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Electroencephalogram / Electromyogram / Coherence / Brain-machine interface / Writer's cramp / Dystonia / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 101, MBE2012-22, pp. 47-50, June 2012. | |
| Paper # | MBE2012-22 | |
| Date of Issue | 2012-06-15 (MBE) | |
| 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 | MBE2012-22 |
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| Conference Information | |
| Committee | MBE |
| Conference Date | 2012-06-22 - 2012-06-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2012-06-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Spectral analysis of electroencephalogram in focal hand dystonia |
| Sub Title (in English) | |
| Keyword(1) | Electroencephalogram |
| Keyword(2) | Electromyogram |
| Keyword(3) | Coherence |
| Keyword(4) | Brain-machine interface |
| Keyword(5) | Writer's cramp |
| Keyword(6) | Dystonia |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yasunari Hashimoto |
| 1st Author's Affiliation | Kitami Institute of Technology (Kitami Inst. of Tech.) |
| 2nd Author's Name | Tetsuo Ota |
| 2nd Author's Affiliation | Asahikawa Medical University (Asahikawa Med. Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-06-22 15:00:00 |
| Presentation Time | 25 minutes |
| Registration for | MBE |
| Paper # | MBE2012-22 |
| Volume (vol) | vol.112 |
| Number (no) | no.101 |
| Page | pp.47-50 |
| #Pages | 4 |
| Date of Issue | 2012-06-15 (MBE) |
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