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Paper Abstract and Keywords
Presentation 2010-03-11 13:45
The effect of gravity on learning and memory retention characteristics in prism adaptation
Takafumi Kashima (Chubu Univ.), Yoshiro Wada (Nara Medical Univ.), Naruo Kuwada (Japan Air Self-Defense Force Aeromedical Lab.), Yutaka Hirata (Chubu Univ.) NC2009-150
Abstract (in Japanese) (See Japanese page) 
(in English) Our body motion is adjusted properly under 1G condition on the earth. Thus changes in gravitational
environment have significant impact on our motor control. Further, it may affect on our ability in motor learning and memory.
Although some astronauts informally reported difficulties in their body control under microgravity, no quantitative research on
this issue has not been conducted. Here we performed the prism adaptation of a hand-reaching task under different
gravitational environments. We compared learning and forgetting curves, and memory retention rates of the prism adaptation
performed in upright and supine positions, and under 1G and 2G hyper-gravity conditions. We demonstrate that quicker
learning, less forgetting and greater memory retention rates are obtained in a supine position and under 2G in comparison with
their counter part.
Keyword (in Japanese) (See Japanese page) 
(in English) prism adaptation / motor learning / memory / forgetting / hyper-gravity / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 461, NC2009-150, pp. 367-372, March 2010.
Paper # NC2009-150 
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 NC2009-150

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) The effect of gravity on learning and memory retention characteristics in prism adaptation 
Sub Title (in English)  
Keyword(1) prism adaptation  
Keyword(2) motor learning  
Keyword(3) memory  
Keyword(4) forgetting  
Keyword(5) hyper-gravity  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Takafumi Kashima  
1st Author's Affiliation Chubu University (Chubu Univ.)
2nd Author's Name Yoshiro Wada  
2nd Author's Affiliation Nara Medical University (Nara Medical Univ.)
3rd Author's Name Naruo Kuwada  
3rd Author's Affiliation Japan Air Self-Defense Force Aeromedical Laboratory (Japan Air Self-Defense Force Aeromedical Lab.)
4th Author's Name Yutaka Hirata  
4th Author's Affiliation Chubu University (Chubu Univ.)
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Speaker Author-1 
Date Time 2010-03-11 13:45:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2009-150 
Volume (vol) vol.109 
Number (no) no.461 
Page pp.367-372 
#Pages 6 
Date of Issue 2010-03-02 (NC) 

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