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Paper Abstract and Keywords
Presentation 2020-10-22 14:20
tDCS montage evaluation for targeting the lower limb in the primary motor and supplementary motor areas
Hiroki Hamajima, Jose Gomez-Tames (NITech), Shintaro Uehara, Yohei Otaka (FHU), Satoshi Tanaka (HUSM), Akimasa Hirata (NITech) EMCJ2020-34 MW2020-48 EST2020-36
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, there has been a growing interest in focal brain neuromodulation in a non-invasive manner for medical treatment. In transcranial direct current stimulation (tDCS) a weak electric current is injected via electrodes attached to the scalp to modulate the cortical excitability. This technique has been shown to be effective as an adjunctive strategy in stroke rehabilitation. Up to now, a number of studies have focused on the area of the hand primary motor cortex. However, few experiments have been conducted on the area that controls the leg motor function partially due to the lack of an effective electrode montage definition for this region. One reason would be the anatomical complexity of the head and individual differences in particular for the location of the leg primary motor cortex. One approach is to employ computational modelling to determine the electrode montage that is suitable to target the leg primary motor cortex. In this study, eighteen individualized head models were used to calculate the electric fields generated from electrodes attached at various positions. The electric field distributions are compared to investigate the effective electrode montage for stimulation of the leg primary motor cortex and supplementary motor areas at the group level.
Keyword (in Japanese) (See Japanese page) 
(in English) transcranial direct current stimulation / scalar potential finite difference (SPFD) method / leg motor area / / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 201, EST2020-36, pp. 54-59, Oct. 2020.
Paper # EST2020-36 
Date of Issue 2020-10-15 (EMCJ, MW, EST) 
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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EMCJ2020-34 MW2020-48 EST2020-36

Conference Information
Conference Date 2020-10-22 - 2020-10-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EST 
Conference Code 2020-10-MW-EST-EMCJ-PEM-EMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) tDCS montage evaluation for targeting the lower limb in the primary motor and supplementary motor areas 
Sub Title (in English)  
Keyword(1) transcranial direct current stimulation  
Keyword(2) scalar potential finite difference (SPFD) method  
Keyword(3) leg motor area  
1st Author's Name Hiroki Hamajima  
1st Author's Affiliation Nagoya Institute of Technology (NITech)
2nd Author's Name Jose Gomez-Tames  
2nd Author's Affiliation Nagoya Institute of Technology (NITech)
3rd Author's Name Shintaro Uehara  
3rd Author's Affiliation Fujita Health University (FHU)
4th Author's Name Yohei Otaka  
4th Author's Affiliation Fujita Health University (FHU)
5th Author's Name Satoshi Tanaka  
5th Author's Affiliation Hamamatsu University School of Medicine (HUSM)
6th Author's Name Akimasa Hirata  
6th Author's Affiliation Nagoya Institute of Technology (NITech)
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Date Time 2020-10-22 14:20:00 
Presentation Time 25 
Registration for EST 
Paper # IEICE-EMCJ2020-34,IEICE-MW2020-48,IEICE-EST2020-36 
Volume (vol) IEICE-120 
Number (no) no.199(EMCJ), no.200(MW), no.201(EST) 
Page pp.54-59 
#Pages IEICE-6 
Date of Issue IEICE-EMCJ-2020-10-15,IEICE-MW-2020-10-15,IEICE-EST-2020-10-15 

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