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Paper Abstract and Keywords
Presentation 2016-07-05 16:25
Sparse Simultaneous Estimation of Phase Response Curves using Spike-Triggered Average
Man Arakaki, Yasuhiko Igarashi (Univ. Tokyo), Toshiaki Omori (Kobe Univ.), Masato Okada (Univ. Tokyo/RIKEN) NC2016-7
Abstract (in Japanese) (See Japanese page) 
(in English) Phase response curves (PRC) have been used extensively to estimate the response properties of neurons.
A recent measurement method of the PRC is proposed to reconstruct PRC with the weighted spike-triggered average (WSTA),
but the method needs a lot of spikes data to make the PRC data noiseless.
A theoretical study proposed an efficient method to estimate the PRC assuming sparsity.
In this study, we propose sparse estimation with not only the PRC data but also the spike-triggered average (STA) data obtained simultaneously with the PRC data
to take more information into the PRC estimation.
Using the differential relation between PRC and STA,
we set an objective function including the PRC and STA's error function and
estimate the PRC by means of linear regression with Fourier basis functions.
Using simulated data obtained by spike response model,
we show that our proposed method achieves a more accurate estimation of the PRC
than the recent proposed one.
Keyword (in Japanese) (See Japanese page) 
(in English) Phase Response Curve / Spike-Triggered Average / Sparsity / L1 Regularization / Spike Response Model / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 120, NC2016-7, pp. 165-170, July 2016.
Paper # NC2016-7 
Date of Issue 2016-06-28 (NC) 
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)
Download PDF NC2016-7

Conference Information
Conference Date 2016-07-04 - 2016-07-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Institute of Science and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Machine Learning Approach to Biodata Mining, and General 
Paper Information
Registration To NC 
Conference Code 2016-07-NC-BIO-IBISML-MPS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Sparse Simultaneous Estimation of Phase Response Curves using Spike-Triggered Average 
Sub Title (in English)  
Keyword(1) Phase Response Curve  
Keyword(2) Spike-Triggered Average  
Keyword(3) Sparsity  
Keyword(4) L1 Regularization  
Keyword(5) Spike Response Model  
1st Author's Name Man Arakaki  
1st Author's Affiliation University of Tokyo (Univ. Tokyo)
2nd Author's Name Yasuhiko Igarashi  
2nd Author's Affiliation University of Tokyo (Univ. Tokyo)
3rd Author's Name Toshiaki Omori  
3rd Author's Affiliation Kobe University (Kobe Univ.)
4th Author's Name Masato Okada  
4th Author's Affiliation University of Tokyo/RIKEN Brain Science Institute (Univ. Tokyo/RIKEN)
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Date Time 2016-07-05 16:25:00 
Presentation Time 25 
Registration for NC 
Paper # IEICE-NC2016-7 
Volume (vol) IEICE-116 
Number (no) no.120 
Page pp.165-170 
#Pages IEICE-6 
Date of Issue IEICE-NC-2016-06-28 

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