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| Presentation | 2011-03-07 16:00 Measurement of the Changes in Brain Activity During Rehearsal of Auditory Sequence by Near-Infrared Spectroscopy Yuichi Hioki, Ryoko Futami (Fukushima Univ.)  MBE2010-109 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The purpose of this study was to investigate where and how the brain is activated when it attend to auditory sequence or tone color by Near-infrared Spectroscopy(NIRS).Activity of the brain was measured at around temporal cortex of the left hemisphere. Subjects were presented six kinds of Morse code by six kinds of tone color. There were three kinds of task for subjects. At the Task1, subjects attended to only sequences of Morse code, and ignored tone color. At the Task2, subjects attended to only tone color, and ignored Morse codes. At the Task3, subjects counted Morse codes with only one digit number. It was as a control task to compare with Task1 and Task2. As a result, at the Task3, [Oxy-Hb] increased only at around auditory area, however, at the Task1, increased not only at auditory area but also at Broca’s area. At the Task2, [Oxy-Hb] increased not only at auditory area but also at wide range of temporal cortex. Signal averaging of the [Oxy-Hb] was also done to evaluate the latency in activation. As a result, [Oxy-Hb] was activated most in the Task2. And, it showed that Task1 and Task3 increased [Oxy-Hb] immediately after on-set of sounds, and decreased it immediately after off-set of presented sounds. But at the Task2 there were lag time to change [Oxy-Hb]. It indicated that there are differences if the manner of increasing and decreasing in [Oxy-Hb] according to tasks. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | near-infrared spectroscopy(NIRS) / cerebral blood flow(CBF) / temporal cortex / temporal sequence / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 460, MBE2010-109, pp. 37-42, March 2011. | |
| Paper # | MBE2010-109 | |
| Date of Issue | 2011-02-28 (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 | MBE2010-109 |
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| Conference Information | |
| Committee | NC MBE |
| Conference Date | 2011-03-07 - 2011-03-09 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tamagawa University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2011-03-NC-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Measurement of the Changes in Brain Activity During Rehearsal of Auditory Sequence by Near-Infrared Spectroscopy |
| Sub Title (in English) | |
| Keyword(1) | near-infrared spectroscopy(NIRS) |
| Keyword(2) | cerebral blood flow(CBF) |
| Keyword(3) | temporal cortex |
| Keyword(4) | temporal sequence |
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| 1st Author's Name | Yuichi Hioki |
| 1st Author's Affiliation | Fukushima University (Fukushima Univ.) |
| 2nd Author's Name | Ryoko Futami |
| 2nd Author's Affiliation | Fukushima University (Fukushima Univ.) |
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| Speaker | Author-1 |
| Date Time | 2011-03-07 16:00:00 |
| Presentation Time | 25 minutes |
| Registration for | MBE |
| Paper # | MBE2010-109 |
| Volume (vol) | vol.110 |
| Number (no) | no.460 |
| Page | pp.37-42 |
| #Pages | 6 |
| Date of Issue | 2011-02-28 (MBE) |
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