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| Presentation | 2009-03-13 15:15 Experimental Study and Mathematical Modeling on Synchronized Calling Behavior of Japanese Tree Frogs Ikkyu Aihara, Ryu Takeda, Takeshi Mizumoto, Toru Takahashi (Kyoto Univ.), Kazuyuki Aihara (Tokyo Univ.), Hiroshi G. Okuno (Kyoto Univ.)  NC2008-160 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Synchronization of living beings has been observed in various systems including flashing of fireflies and calling of crickets, and the possible mechanisms have been studied both mathematically and numerically. In this presentation, we report synchronization and frustration in calling behavior of Japanese tree frogs. Japanese tree frogs are distributed ubiquitously and widely from Hokkaido to Yakushima in Japan. While isolated male frogs call nearly periodically, they can hear calls of other frogs. Therefore, calling behavior of many Japanese tree frogs can be understood as a system of coupled phase oscillators. The main experimental result is that two interacting Japanese tree frogs tend to call alternately almost in anti-phase. We model the synchronized calling behavior as a system of coupled phase oscillators to understand the nonlinear dynamics. Moreover, we report our studies on calling behavior of three Japanese tree frog. Since two frogs tend to call alternately, the system of three frogs can be frustrated. We theoretically analyse nonlinear dynamics in a system of three coupled oscillators, which models three interacting frogs; in particular, we perform bifurcation analysis and Lyapunov function analysis. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Japanese Tree Frog / Calling Behavior / Synchronization / Frustration / Vocal Communication / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 480, NC2008-160, pp. 335-339, March 2009. | |
| Paper # | NC2008-160 | |
| Date of Issue | 2009-03-04 (NC) | |
| 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 | NC2008-160 |
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| Conference Information | |
| Committee | NC MBE |
| Conference Date | 2009-03-11 - 2009-03-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tamagawa Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | NC |
| Conference Code | 2009-03-NC-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Study and Mathematical Modeling on Synchronized Calling Behavior of Japanese Tree Frogs |
| Sub Title (in English) | |
| Keyword(1) | Japanese Tree Frog |
| Keyword(2) | Calling Behavior |
| Keyword(3) | Synchronization |
| Keyword(4) | Frustration |
| Keyword(5) | Vocal Communication |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Ikkyu Aihara |
| 1st Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 2nd Author's Name | Ryu Takeda |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Takeshi Mizumoto |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 4th Author's Name | Toru Takahashi |
| 4th Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 5th Author's Name | Kazuyuki Aihara |
| 5th Author's Affiliation | University of Tokyo (Tokyo Univ.) |
| 6th Author's Name | Hiroshi G. Okuno |
| 6th Author's Affiliation | Kyoto University (Kyoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-03-13 15:15:00 |
| Presentation Time | 25 minutes |
| Registration for | NC |
| Paper # | NC2008-160 |
| Volume (vol) | vol.108 |
| Number (no) | no.480 |
| Page | pp.335-339 |
| #Pages | 5 |
| Date of Issue | 2009-03-04 (NC) |
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