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| Presentation | 2016-12-13 09:30 Frequency singularity in nonlinear heart rate dynamics Junichiro Hayano, Emi Yuda, Hiroki Ogasawara, Yutaka Yoshida (Nagoya City Univ.)  NLP2016-92 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In healthy humans, 24-hr fluctuation of heart rate shows down-sloping linear log-log spectrum with a slope of -1, indicating that human heart beats have 1/f fluctuation property. Although heart beats during atrial fibrillation show horizontal log-log spectrum indicating white noise in high frequency band >0.005± 0.002 Hz, in frequency band below this frequency they also show down-sloping linear log-log spectrum with a slope close to -1. Even in healthy people, particularly young subjects, log-log spectrum has an inflection point and bends to upper direction above and below this point. This bending recuses with aging as a butterfly spreads wings. These observations indicate the presence of singularities in heart beat fluctuation at periods of around 200 sec and 30 min. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | heart rate variability / log-log spectrum / 1/f fluctuation / singularity / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 353, NLP2016-92, pp. 45-48, Dec. 2016. | |
| Paper # | NLP2016-92 | |
| Date of Issue | 2016-12-05 (NLP) | |
| 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 | NLP2016-92 |
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| Conference Information | |
| Committee | NLP |
| Conference Date | 2016-12-12 - 2016-12-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Chukyo Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | NLP |
| Conference Code | 2016-12-NLP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Frequency singularity in nonlinear heart rate dynamics |
| Sub Title (in English) | |
| Keyword(1) | heart rate variability |
| Keyword(2) | log-log spectrum |
| Keyword(3) | 1/f fluctuation |
| Keyword(4) | singularity |
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| 1st Author's Name | Junichiro Hayano |
| 1st Author's Affiliation | Nagoya City University (Nagoya City Univ.) |
| 2nd Author's Name | Emi Yuda |
| 2nd Author's Affiliation | Nagoya City University (Nagoya City Univ.) |
| 3rd Author's Name | Hiroki Ogasawara |
| 3rd Author's Affiliation | Nagoya City University (Nagoya City Univ.) |
| 4th Author's Name | Yutaka Yoshida |
| 4th Author's Affiliation | Nagoya City University (Nagoya City Univ.) |
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| Speaker | Author-1 |
| Date Time | 2016-12-13 09:30:00 |
| Presentation Time | 25 minutes |
| Registration for | NLP |
| Paper # | NLP2016-92 |
| Volume (vol) | vol.116 |
| Number (no) | no.353 |
| Page | pp.45-48 |
| #Pages | 4 |
| Date of Issue | 2016-12-05 (NLP) |
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