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| Presentation | 2014-03-18 10:00 Detection of oscillating magnetic fields using spin-lock imaging toward functional MRI Masahito Ueno (Kyoto Univ.), Shizue Nagahara (Kyoto Univ./JSPS), Yosuke Ito, Tetsuo Kobayashi (Kyoto Univ.)  MBE2013-133 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | At present, functional magnetic resonance imaging (fMRI) based on blood oxygenation level dependent (BOLD) effect is commonly used as a noninvasive neuroimaging method.However, the problem is that the so-called BOLD-fMRI has limitations of spatio-temporal resolution due to its measurement principle, i.e., detecting hemodynamic processes.To overcome this problem, a new fMRI principle focusing on direct detecting of neural magnetic fields has attracted wide attention.In this study, we demonstrated the feasibility of fMRI using the spin-lock imaging, which is sensitive to oscillating magnetic fields such as neuronal magnetic fields. By the phantom studies modeling the neuronal magnetic fields, we showed that the externally applied oscillating magnetic fields decreased MR signals by choosing appropriate imaging sequence.This result suggests that the fMRI method using spin-lock imaging is promising to detect oscillating magnetic fields, in fact, neuronal magnetic fields directly. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | functional Magnetic Resonance Imaging / Bloch equation / spin-lock imaging / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 499, MBE2013-133, pp. 97-102, March 2014. | |
| Paper # | MBE2013-133 | |
| Date of Issue | 2014-03-10 (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 | MBE2013-133 |
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| Conference Information | |
| Committee | NC MBE |
| Conference Date | 2014-03-17 - 2014-03-18 |
| 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 | 2014-03-NC-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Detection of oscillating magnetic fields using spin-lock imaging toward functional MRI |
| Sub Title (in English) | |
| Keyword(1) | functional Magnetic Resonance Imaging |
| Keyword(2) | Bloch equation |
| Keyword(3) | spin-lock imaging |
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| 1st Author's Name | Masahito Ueno |
| 1st Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 2nd Author's Name | Shizue Nagahara |
| 2nd Author's Affiliation | Kyoto University/Japan Society for the Promotion of Science (Kyoto Univ./JSPS) |
| 3rd Author's Name | Yosuke Ito |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 4th Author's Name | Tetsuo Kobayashi |
| 4th Author's Affiliation | Kyoto University (Kyoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2014-03-18 10:00:00 |
| Presentation Time | 20 minutes |
| Registration for | MBE |
| Paper # | MBE2013-133 |
| Volume (vol) | vol.113 |
| Number (no) | no.499 |
| Page | pp.97-102 |
| #Pages | 6 |
| Date of Issue | 2014-03-10 (MBE) |
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