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Paper Abstract and Keywords
Presentation 2016-07-21 13:55
High-resolution Localization of Motor Area by TMS
Shinta Aonuma, Jose Gomez-Tames (NIT), Ilkka Laakso (Aalto Univ.), Akimasa Hirata (NIT), Tomokazu Takakura, Manabu Tamura, Yoshihiro Muragaki (TWMU) EMT2016-19 MW2016-50 OPE2016-31 EST2016-20 MWP2016-21 Link to ES Tech. Rep. Archives: EMT2016-19 MW2016-50 OPE2016-31 EST2016-20 MWP2016-21
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, there has been a growing interest in stimulating in the brain tissue non-invasively and locally in the medical treatment/diagnosis. Transcranial Magnetic Stimulation (TMS) is the one of the non-invasive method for brain stimulation. TMS induces a current in a specific area of teh brain by a magnetic field that a coil generated. This technique is used for the diagnosis of the brain to observe an elicited reaction during electrostimulation. However, the localization of the stimulus area is not easy to specifiy due to the current induced in non-intended target region, which is attributable to complex structure of brain anatomy. The purpose of this study is to compute the induced electric field in the brain and to localize the motor target area as post-processing. We developed a realistic human brain model, which has been developed from MR (magnetic resonance) images of a patient. Then, the brain stimulation is stimulated with the record of clinical data. The coil positions used in the computation were three, in which motor evoked potential (MEP) was observed. The computational results between stimulation samples show different electric field distributions due to subject-specific anatomical difference. In addition, the internal electric field strength in the actual target area (in this study M1), which is related to the observed MEP, should be large enough in all the stimulation samples. The estimated area obtained by the superimposing three samples suggested that the hand motor area can be estimated in higher resolution as compared to previous studies.
Keyword (in Japanese) (See Japanese page) 
(in English) transcranial magnetic stimulation / motor evoked potential / scalar potential finite difference (SPFD) method / realistic human model / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 155, EST2016-20, pp. 77-80, July 2016.
Paper # EST2016-20 
Date of Issue 2016-07-14 (EMT, MW, OPE, EST, MWP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EMT2016-19 MW2016-50 OPE2016-31 EST2016-20 MWP2016-21 Link to ES Tech. Rep. Archives: EMT2016-19 MW2016-50 OPE2016-31 EST2016-20 MWP2016-21

Conference Information
Conference Date 2016-07-21 - 2016-07-22 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Light wave & Electromagnetic Wave Workshop 
Paper Information
Registration To EST 
Conference Code 2016-07-OPE-MW-EMT-MWP-EST-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High-resolution Localization of Motor Area by TMS 
Sub Title (in English)  
Keyword(1) transcranial magnetic stimulation  
Keyword(2) motor evoked potential  
Keyword(3) scalar potential finite difference (SPFD) method  
Keyword(4) realistic human model  
1st Author's Name Shinta Aonuma  
1st Author's Affiliation Nagoya Institute of Technology (NIT)
2nd Author's Name Jose Gomez-Tames  
2nd Author's Affiliation Nagoya Institute of Technology (NIT)
3rd Author's Name Ilkka Laakso  
3rd Author's Affiliation Aalto University (Aalto Univ.)
4th Author's Name Akimasa Hirata  
4th Author's Affiliation Nagoya Institute of Technology (NIT)
5th Author's Name Tomokazu Takakura  
5th Author's Affiliation Tokyo Women's Medical University (TWMU)
6th Author's Name Manabu Tamura  
6th Author's Affiliation Tokyo Women's Medical University (TWMU)
7th Author's Name Yoshihiro Muragaki  
7th Author's Affiliation Tokyo Women's Medical University (TWMU)
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Date Time 2016-07-21 13:55:00 
Presentation Time 25 
Registration for EST 
Paper # IEICE-EMT2016-19,IEICE-MW2016-50,IEICE-OPE2016-31,IEICE-EST2016-20,IEICE-MWP2016-21 
Volume (vol) IEICE-116 
Number (no) no.152(EMT), no.153(MW), no.154(OPE), no.155(EST), no.156(MWP) 
Page pp.77-80 
#Pages IEICE-4 
Date of Issue IEICE-EMT-2016-07-14,IEICE-MW-2016-07-14,IEICE-OPE-2016-07-14,IEICE-EST-2016-07-14,IEICE-MWP-2016-07-14 

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