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Paper Abstract and Keywords
Presentation 2016-09-24 15:20
Estimation of Autonomic Nervous Activity Using Green Light Photoplethysmogram
Takahiro Ogawa, Makoto Abe (Shinshu Univ.), Makoto Yoshizawa, Norihiro Sugita, Tomoyuki Yambe (Tohoku Univ.) MBE2016-29
Abstract (in Japanese) (See Japanese page) 
(in English) Baroreflex based on autonomic nervous activity is essential for the maintenance of homeostasis of blood pressure (BP). The maximum cross-correlation coefficient ($rho_{rm max}$) between the BP and the heart rate (HR) with variability for frequency components limited to the Mayer wave-related band is useful for the evaluation of the baroreflex function. However, continuous BP measurement with a bulky and expensive measuring device is required to calculate $rho_{rm max}$. In this paper, we propose a method of estimating the autonomic nervous activity using $rho_{rm max}$ obtained from a green light photoplethysmogram (PPG). We performed the Valsalva maneuver which is one of the tests for autonomic function, and we measured electrocardiogram, continuous BP, near-infrared and green light PPG at the four sites on the body. As a result, the green PPG can be used to evaluate autonomic function regardless of the measurement site.
Keyword (in Japanese) (See Japanese page) 
(in English) Photoplethysmogram / Baroreflex / Green Light / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 227, MBE2016-29, pp. 29-34, Sept. 2016.
Paper # MBE2016-29 
Date of Issue 2016-09-17 (MBE) 
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)
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Conference Information
Committee MBE  
Conference Date 2016-09-24 - 2016-09-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2016-09-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Estimation of Autonomic Nervous Activity Using Green Light Photoplethysmogram 
Sub Title (in English)  
Keyword(1) Photoplethysmogram  
Keyword(2) Baroreflex  
Keyword(3) Green Light  
1st Author's Name Takahiro Ogawa  
1st Author's Affiliation Shinshu University (Shinshu Univ.)
2nd Author's Name Makoto Abe  
2nd Author's Affiliation Shinshu University (Shinshu Univ.)
3rd Author's Name Makoto Yoshizawa  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Norihiro Sugita  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Tomoyuki Yambe  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2016-09-24 15:20:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2016-29 
Volume (vol) vol.116 
Number (no) no.227 
Page pp.29-34 
Date of Issue 2016-09-17 (MBE) 

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