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Paper Abstract and Keywords
Presentation 2012-03-14 10:15
The analysis of non-linear information processing in hippocampal dendrites
Tadanobu Kamijo, Hirofumi Hayakawa, Yasuhiro Fukushima, Takeshi Aihara (Tamagawa Univ.) NC2011-121
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, studies of the inputs integration along dendrites have been reported. In dendrites of hippocampal dentate granule cell (GC), the integration for multi inputs was also investigated using glutamate uncaging stimuli. The result showed the difference of amplitude summation for the direction of multi-inputs along a dendrite, depending on the NMDA channel.
In this study, we found non-linearities in the superposed amplitude for stimuli at two daughter blanches of GC dendrites by applying UV stimuli. When two sites with the same distance from blanch point were simultaneously stimulated, the facilitation was observed at the soma. The non-linearities were not abolished by the application of AP5 but abolished in the presence of Ni these. Therefore, the non-linearity on the blanches does not depend on NMDARs but depend on VDCC. The result suggests that that there was nonlinearity on the dendrite in the hippocampal GC, which may play a crucial rule for integration of input information.
Keyword (in Japanese) (See Japanese page) 
(in English) Non-linearity / Voltage-Depend Ca2+ Channel / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 483, NC2011-121, pp. 1-4, March 2012.
Paper # NC2011-121 
Date of Issue 2012-03-07 (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)
Download PDF NC2011-121

Conference Information
Committee MBE NC  
Conference Date 2012-03-14 - 2012-03-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2012-03-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The analysis of non-linear information processing in hippocampal dendrites 
Sub Title (in English)  
Keyword(1) Non-linearity  
Keyword(2) Voltage-Depend Ca2+ Channel  
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1st Author's Name Tadanobu Kamijo  
1st Author's Affiliation Tamagawa University (Tamagawa Univ.)
2nd Author's Name Hirofumi Hayakawa  
2nd Author's Affiliation Tamagawa University (Tamagawa Univ.)
3rd Author's Name Yasuhiro Fukushima  
3rd Author's Affiliation Tamagawa University Brain Science Institute (Tamagawa Univ.)
4th Author's Name Takeshi Aihara  
4th Author's Affiliation Tamagawa University (Tamagawa Univ.)
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Speaker Author-1 
Date Time 2012-03-14 10:15:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2011-121 
Volume (vol) vol.111 
Number (no) no.483 
Page pp.1-4 
#Pages 4 
Date of Issue 2012-03-07 (NC) 

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