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Paper Abstract and Keywords
Presentation 2025-08-07 13:50
Biomimetics of a Cricket Auditory Feature Detection Circuit Using FPGA
Seiya Homma, Haruto Ota, Jiaying Lin, Ryuji Nagazawa, Nguyen Kien (Chiba Univ.), Hiroyuki Torikai (Hosei Univ.), Hiroo Sekiya (Chiba Univ.) NLP2025-26
Abstract (in Japanese) (See Japanese page) 
(in English) Crickets possess an auditory feature detection circuit capable of distinguishing species-specific pulse intervals, and the neural responses of this circuit have been recorded in detail. Previous studies have demonstrated that modeling such neural circuits and optimizing their parameters enables successful replication, with potential applications in neural prosthesis. However, these studies have been limited to software-based simulations and have not addressed hardware implementation or validation. In this study, we develop a system that mimics the cricket’s auditory feature detection mechanism and reproduces its function on an FPGA. A neural circuit model based on the Izhikevich neuron model is implemented on the FPGA, and external control is used to optimize the neuron parameters such that the neural responses match experimentally measured data from the cricket’s auditory circuit. The implemented system successfully reproduces selective responses similar to those of the biological neural network. These results demonstrate the validity of the proposed system and the feasibility of mimicking biological neural networks using FPGA.
Keyword (in Japanese) (See Japanese page) 
(in English) biomimetics / neural prosthesis / FPGA / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 150, NLP2025-26, pp. 10-15, Aug. 2025.
Paper # NLP2025-26 
Date of Issue 2025-07-31 (NLP) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 NLP2025-26

Conference Information
Committee NLP  
Conference Date 2025-08-07 - 2025-08-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Kaderu27(Sapporo) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Nonlinear problems, etc 
Paper Information
Registration To NLP 
Conference Code 2025-08-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Biomimetics of a Cricket Auditory Feature Detection Circuit Using FPGA 
Sub Title (in English)  
Keyword(1) biomimetics  
Keyword(2) neural prosthesis  
Keyword(3) FPGA  
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1st Author's Name Seiya Homma  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Haruto Ota  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Jiaying Lin  
3rd Author's Affiliation Chiba University (Chiba Univ.)
4th Author's Name Ryuji Nagazawa  
4th Author's Affiliation Chiba University (Chiba Univ.)
5th Author's Name Nguyen Kien  
5th Author's Affiliation Chiba University (Chiba Univ.)
6th Author's Name Hiroyuki Torikai  
6th Author's Affiliation Hosei University (Hosei Univ.)
7th Author's Name Hiroo Sekiya  
7th Author's Affiliation Chiba University (Chiba Univ.)
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Speaker Author-1 
Date Time 2025-08-07 13:50:00 
Presentation Time 25 minutes 
Registration for NLP 
Paper # NLP2025-26 
Volume (vol) vol.125 
Number (no) no.150 
Page pp.10-15 
#Pages 6 
Date of Issue 2025-07-31 (NLP) 

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