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Paper Abstract and Keywords
Presentation 2018-01-25 16:05
Discussion on Stimulation of Direct Electrical Stimulation of Brain Subcortical Stimulation Based on Electromagnetic Analysis
Takaharu Kutsuna, Jose Gomez Tames, Akimasa Hirata (NIT), Manabu Tamura, Yoshihiro Muragaki (TWMU) PN2017-65 EMT2017-102 OPE2017-143 LQE2017-125 EST2017-101 MWP2017-78
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, there has been a growing interest in awake surgery for brain tumor removal. During awake surgery, direct subcortical stimulation is applied at the resection cavity to guide the surgeon and avoid the risk of lesion of the pyramidal neurons in the cortical spinal tract in the white matter, so the tumor can be removed reducing the loss of motor or linguistic functions. The response to the stimulus is confirmed by electromyography recordings. In order to improve the discrimination of tissues in the vicinity of the brain tumor, the activation of the electrical stimulation needs to be characterized and quantified. Although monopolar and bipolar electrodes are used for electrical stimulation in the same operation, it is assumed that the stimulation region changes according to the type of electrode probe and its geometry. No studies have been conducted on the differences in stimulation areas due to the different characteristics of such electrode using biophysical simulation models. In this study, we computed voltage and electric field in the brain by scalar potential finite difference method in a realistic human head model made from MR image. And we obtained the action potential generated in a pyramidal neuron model to evaluate how the activation varies according to electrode conditions.
Keyword (in Japanese) (See Japanese page) 
(in English) Awake surgery / Direct electric stimulation / Scalar-potential finite-difference method / Electric field analysis in the brain / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 408, EST2017-101, pp. 149-154, Jan. 2018.
Paper # EST2017-101 
Date of Issue 2018-01-18 (PN, EMT, OPE, LQE, EST, MWP) 
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 PN2017-65 EMT2017-102 OPE2017-143 LQE2017-125 EST2017-101 MWP2017-78

Conference Information
Committee EMT EST LQE MWP OPE PEM PN IEE-EMT 
Conference Date 2018-01-25 - 2018-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EST 
Conference Code 2018-01-EMT-EST-LQE-MWP-OPE-PEM-PN-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Discussion on Stimulation of Direct Electrical Stimulation of Brain Subcortical Stimulation Based on Electromagnetic Analysis 
Sub Title (in English)  
Keyword(1) Awake surgery  
Keyword(2) Direct electric stimulation  
Keyword(3) Scalar-potential finite-difference method  
Keyword(4) Electric field analysis in the brain  
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Keyword(6)  
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Keyword(8)  
1st Author's Name Takaharu Kutsuna  
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 Akimasa Hirata  
3rd Author's Affiliation Nagoya Institute of Technology (NIT)
4th Author's Name Manabu Tamura  
4th Author's Affiliation Tokyo Women's Medical University (TWMU)
5th Author's Name Yoshihiro Muragaki  
5th Author's Affiliation Tokyo Women's Medical University (TWMU)
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Speaker Author-1 
Date Time 2018-01-25 16:05:00 
Presentation Time 25 minutes 
Registration for EST 
Paper # PN2017-65, EMT2017-102, OPE2017-143, LQE2017-125, EST2017-101, MWP2017-78 
Volume (vol) vol.117 
Number (no) no.404(PN), no.405(EMT), no.406(OPE), no.407(LQE), no.408(EST), no.409(MWP) 
Page pp.149-154 
#Pages 6 
Date of Issue 2018-01-18 (PN, EMT, OPE, LQE, EST, MWP) 

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