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Paper Abstract and Keywords
Presentation 2010-03-10 11:05
Improvement of the cerebellar spiking neuron network model and simulation of VOR motor learning.
Seiichi Kobayashi (Chubu Univ.), Keiichiro Inagaki (RIKEN), Yutaka Hirata (Chubu Univ.) NC2009-120
Abstract (in Japanese) (See Japanese page) 
(in English) The vestibuloocular reflex (VOR) is an adaptive motor control system that maintains compensatory eye movements when growth, aging, injury, etc, may change oculomotor plant dynamics. The cerebellar flocculus is intimately involved in the adaptive VOR control. The VOR has been a popular model system to investigate cerebellar adaptive motor control. Long-term depression (LTD) and long-term potentiation (LTP) at the parallel fiber - Purkinje cell synapses have been thought to be a major underlying mechanism of the cerebellar motor learning. To explore the information processing in the cerebellar neuronal circuitry for VOR motor learning, we constructed an anatomically plausible large-scale neuronal network model of the cerebellar flocculus. The model is composed of spiking neurons with the cerebellar LTD and LTP implemented. In simulation, we confirmed that the model reproduced gain-up and -down VOR motor learning and its frequency selectivity. Analyses of the properties of the model before and after the VOR training revealed that the cerebellar circuitry formed a band-pass filter in response to vestibular and/or efference copy of eye movement signals after gain-up and -down training. The results suggest that the cause of the frequency selectivity in VOR motor learning is multiple frequency bands implicitly composed in the cerebellar cortical neuronal circuitry tuned by the cerebellar LTD and LTP.
Keyword (in Japanese) (See Japanese page) 
(in English) Spike neuron model / Eye movement / Vestibular / Synaptic plasticity / Large-scale model / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 461, NC2009-120, pp. 191-196, March 2010.
Paper # NC2009-120 
Date of Issue 2010-03-02 (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 NC2009-120

Conference Information
Committee NC MBE  
Conference Date 2010-03-09 - 2010-03-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NC 
Conference Code 2010-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of the cerebellar spiking neuron network model and simulation of VOR motor learning. 
Sub Title (in English)  
Keyword(1) Spike neuron model  
Keyword(2) Eye movement  
Keyword(3) Vestibular  
Keyword(4) Synaptic plasticity  
Keyword(5) Large-scale model  
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Keyword(7)  
Keyword(8)  
1st Author's Name Seiichi Kobayashi  
1st Author's Affiliation Chubu University (Chubu Univ.)
2nd Author's Name Keiichiro Inagaki  
2nd Author's Affiliation RIKEN Computational Science Research Program (RIKEN)
3rd Author's Name Yutaka Hirata  
3rd Author's Affiliation Chubu University (Chubu Univ.)
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Speaker Author-2 
Date Time 2010-03-10 11:05:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2009-120 
Volume (vol) vol.109 
Number (no) no.461 
Page pp.191-196 
#Pages 6 
Date of Issue 2010-03-02 (NC) 

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