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Paper Abstract and Keywords
Presentation 2023-07-20 13:50
Source estimation for short latency somatosensory evoked potential induced by median nerve stimulation
Niitsu Masamune, Sachiko Kodera, Toshiaki Wasaka, Akimasa Hirata (NITech) EMT2023-17 MW2023-35 OPE2023-17 EST2023-17 MWPTHz2023-13
Abstract (in Japanese) (See Japanese page) 
(in English) The brain activity can be considered as circuit network activity in the gray matter, and a small current is then generated in the corresponding area. Brain activity is observed as changes in scalp surface potential, and is used preoperative diagnosis of brain disease. EEG and MEG are the most commonly used non-invasive methods for measuring brain activity. It is significant to study brain activity estimation using EEG, which has higher mobility but lower spatial resolution than those of MEG. One of the approaches to estimate the brain source is to use inverse problem using computed induced electric field corresponding to the brain activity. Simplified human head models have commonly been used due to computer resources. However, recent improvements in computer performance have led to the use of high-resolution human head models for brain activity estimation. In this study, we used a source estimation algorithm in an individualized human head model using EEG to estimate the source location and calculate the current density.
Keyword (in Japanese) (See Japanese page) 
(in English) Electroencephalography (EEG) / Scalar-potential finite-difference (SPFD) method / Orthogonal Matching pursuit / Lead field matrix / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 117, EST2023-17, pp. 43-48, July 2023.
Paper # EST2023-17 
Date of Issue 2023-07-13 (EMT, MW, OPE, EST, MWPTHz) 
ISSN Online edition: ISSN 2432-6380
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Download PDF EMT2023-17 MW2023-35 OPE2023-17 EST2023-17 MWPTHz2023-13

Conference Information
Committee EST MW EMT OPE MWPTHz IEE-EMT  
Conference Date 2023-07-20 - 2023-07-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Muroran Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Workshop on Optical and Microwave technologies 
Paper Information
Registration To EST 
Conference Code 2023-07-EST-MW-EMT-OPE-MWPTHz-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Source estimation for short latency somatosensory evoked potential induced by median nerve stimulation 
Sub Title (in English)  
Keyword(1) Electroencephalography (EEG)  
Keyword(2) Scalar-potential finite-difference (SPFD) method  
Keyword(3) Orthogonal Matching pursuit  
Keyword(4) Lead field matrix  
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1st Author's Name Niitsu Masamune  
1st Author's Affiliation Nagoya Institute of Technology (NITech)
2nd Author's Name Sachiko Kodera  
2nd Author's Affiliation Nagoya Institute of Technology (NITech)
3rd Author's Name Toshiaki Wasaka  
3rd Author's Affiliation Nagoya Institute of Technology (NITech)
4th Author's Name Akimasa Hirata  
4th Author's Affiliation Nagoya Institute of Technology (NITech)
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Speaker Author-1 
Date Time 2023-07-20 13:50:00 
Presentation Time 25 minutes 
Registration for EST 
Paper # EMT2023-17, MW2023-35, OPE2023-17, EST2023-17, MWPTHz2023-13 
Volume (vol) vol.123 
Number (no) no.114(EMT), no.115(MW), no.116(OPE), no.117(EST), no.118(MWPTHz) 
Page pp.43-48 
#Pages
Date of Issue 2023-07-13 (EMT, MW, OPE, EST, MWPTHz) 


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