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Paper Abstract and Keywords
Presentation 2008-03-12 17:10
Information analysis of neuronal activities related to hand manipulation in the monkey parietal area AIP
Takashi Shimizu, Fumihiko Ishida (UEC), Akira Murata (Kinki Univ.), Yutaka Sakaguchi (UEC) NC2007-146
Abstract (in Japanese) (See Japanese page) 
(in English) We have analyzed neuronal activities of the monkey anterior intraparietal area (AIP) to reveal how the brain represents information related to hand manipulation. Here, we calculated mutual information (MI) between activities of 98 single neurons and various clusters of 6 objects, and examined how MI changed dependent on different task periods (i.e., fixation, reach and hold). We found that the different types of neurons (i.e., visual-, motorand visuomotor-neurons) had significant information in different task periods. Moreover, we summed up MI for the populations of each type of neurons, which show temporal relationship among the information processings in different types of neurons. The result of this analysis gives us a novel clue to understand the information stream in the parietal area in sensory-motor control.
Keyword (in Japanese) (See Japanese page) 
(in English) hand manipulation / visuomotor transformation / anterior intraparietal area (AIP) / information analysis / information representation / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 542, NC2007-146, pp. 203-208, March 2008.
Paper # NC2007-146 
Date of Issue 2008-03-05 (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)
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Conference Information
Committee NC MBE  
Conference Date 2008-03-12 - 2008-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa Univ 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2008-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Information analysis of neuronal activities related to hand manipulation in the monkey parietal area AIP 
Sub Title (in English)  
Keyword(1) hand manipulation  
Keyword(2) visuomotor transformation  
Keyword(3) anterior intraparietal area (AIP)  
Keyword(4) information analysis  
Keyword(5) information representation  
1st Author's Name Takashi Shimizu  
1st Author's Affiliation University of Electro-Communications (UEC)
2nd Author's Name Fumihiko Ishida  
2nd Author's Affiliation University of Electro-Communications (UEC)
3rd Author's Name Akira Murata  
3rd Author's Affiliation Kinki University (Kinki Univ.)
4th Author's Name Yutaka Sakaguchi  
4th Author's Affiliation University of Electro-Communications (UEC)
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Date Time 2008-03-12 17:10:00 
Presentation Time 20 
Registration for NC 
Paper # IEICE-NC2007-146 
Volume (vol) IEICE-107 
Number (no) no.542 
Page pp.203-208 
#Pages IEICE-6 
Date of Issue IEICE-NC-2008-03-05 

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