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Paper Abstract and Keywords
Presentation 2020-01-25 09:20
Intraoperative Cerebral Measurements Using Implantable Cortical Multimodality Probe
Yuya Ishihara, Toshitaka Yamakawa (Kumamoto Univ.), Takao Inoue, Michiyasu Suzuki (Yamaguchi Univ.) MICT2019-39 MBE2019-68
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, a multimodality probe that simultaneously measures electroencephalograms, cerebral hemodynamics, and brain surface temperature was developed. This probe has six channels, and each channel has a platinum electrode for cortical electroencephalogram measurements, light emitting diodes, and photodiodes for hemodynamic measurements using near-infrared spectroscopy (NIRS), and a thermistor for measuring the cerebral surface temperature (BrT). A probe with a width of 8.0 mm and maximum total thickness of 0.7 mm was fabricated using flexible printed circuit board technology for chronic intracranial placement. Brain activity using the prototype probe at the resected site was measured and its function performance was evaluated. Characteristic epileptogenic abnormal electroencephalograms accompanied by polarity reversal between channels occurred at 16 min and 38 s. It was concluded that the brain cells consumed oxygen during the occurrence of abnormal electroencephalograms. At this time, no noticeable change in HbT values could be confirmed.
Keyword (in Japanese) (See Japanese page) 
(in English) Multimodality / near-infrared spectroscopy (NIRS) / Epilepsy / flexible printed circuit board technology / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 391, MBE2019-68, pp. 3-5, Jan. 2020.
Paper # MBE2019-68 
Date of Issue 2020-01-18 (MICT, MBE) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee MBE MICT  
Conference Date 2020-01-25 - 2020-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) KKR Hotel Kumamoto 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2020-01-MBE-MICT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Intraoperative Cerebral Measurements Using Implantable Cortical Multimodality Probe 
Sub Title (in English)  
Keyword(1) Multimodality  
Keyword(2) near-infrared spectroscopy (NIRS)  
Keyword(3) Epilepsy  
Keyword(4) flexible printed circuit board technology  
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1st Author's Name Yuya Ishihara  
1st Author's Affiliation Kumamoto University (Kumamoto Univ.)
2nd Author's Name Toshitaka Yamakawa  
2nd Author's Affiliation Kumamoto University (Kumamoto Univ.)
3rd Author's Name Takao Inoue  
3rd Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
4th Author's Name Michiyasu Suzuki  
4th Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
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Speaker Author-1 
Date Time 2020-01-25 09:20:00 
Presentation Time 20 minutes 
Registration for MBE 
Paper # MICT2019-39, MBE2019-68 
Volume (vol) vol.119 
Number (no) no.390(MICT), no.391(MBE) 
Page pp.3-5 
#Pages
Date of Issue 2020-01-18 (MICT, MBE) 


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