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Paper Abstract and Keywords
Presentation 2016-07-05 16:50
Global structure of the clusters in local cortical circuit with receptive field correlation
Kohei Watanabe (Osaka Univ.), Jun-nosuke Teramae, Naoki Wakamiya (Osaka Univ./CiNet) NC2016-8
Abstract (in Japanese) (See Japanese page) 
(in English) Synaptic connections in local cortical circuit are highly heterogeneous and nonrandom. A few strong synaptic connections often form "cluster" that is a tightly connected group of several neurons. Global structure of the clusters, however, has not been clarified yet. It is unclear whether clusters distribute independently and isolated in cortical network, or these clusters are a part of large-scale of global network structure. Here, we develop a network model based on recent experimental data of V1. In addition to reproducing previous result of highly skewed EPSPs, the model also allows us to study mutual relationship and global feature of clusters. We find that the network consists with two largely different sub-networks; a small-world network consists only of a few strong EPSPs and a random network consists of dense weak EPSPs. In other words, local cortical circuit shows a duality, and previously reported clusters are results of local observation of the global small-world network.
Keyword (in Japanese) (See Japanese page) 
(in English) loacl cortical circuit / network model / receptive field / synaptic connection / cluster / small world / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 120, NC2016-8, pp. 171-174, July 2016.
Paper # NC2016-8 
Date of Issue 2016-06-28 (NC) 
ISSN Print edition: ISSN 0913-5685  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)
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Conference Information
Committee NC IPSJ-BIO IBISML IPSJ-MPS  
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) Global structure of the clusters in local cortical circuit with receptive field correlation 
Sub Title (in English)  
Keyword(1) loacl cortical circuit  
Keyword(2) network model  
Keyword(3) receptive field  
Keyword(4) synaptic connection  
Keyword(5) cluster  
Keyword(6) small world  
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Keyword(8)  
1st Author's Name Kohei Watanabe  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Jun-nosuke Teramae  
2nd Author's Affiliation Osaka University/Center for Information and Neural Networks (Osaka Univ./CiNet)
3rd Author's Name Naoki Wakamiya  
3rd Author's Affiliation Osaka University/Center for Information and Neural Networks (Osaka Univ./CiNet)
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Speaker
Date Time 2016-07-05 16:50:00 
Presentation Time 25 
Registration for NC 
Paper # IEICE-NC2016-8 
Volume (vol) IEICE-116 
Number (no) no.120 
Page pp.171-174 
#Pages IEICE-4 
Date of Issue IEICE-NC-2016-06-28 


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