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Paper Abstract and Keywords
Presentation 2011-03-07 14:00
Neural processing of animacy perception -- An ERP study under motion Turing test condition --
Haruaki Fukuda, Kazuhiro Ueda (Univ. of Tokyo) HCS2010-57
Abstract (in Japanese) (See Japanese page) 
(in English) We can discriminate between animate and inanimate things and this ability is called animacy perception. Animacy perception is thought to be a foundation of social cognition. We investigated neural mechanism working for animacy perception by recording Event-Related Potentials (ERPs) during reaching action under a motion Turing test condition. In motion Turing test, participants were asked to observe an object, either of an animate thing (turtle) or an inanimate thing (robot), which was covered in a box so that they judged by only its movements whether it was animate or inanimate things. We compared ERPs when they felt it as animate with those when they felt it as inanimate. As a result, we found that the amplitude of ERPs in left infero-frontal region was significantly different between the two conditions. This result suggests that the attribution of animacy is related with the activation in left infero-frontal region. In addition, we implemented the different types of motion, which differed from the actual motion of a turtle in speed and direction change, to a robot and examined whether ERPs differed across the different types of the robot’s motion. We found that the more animate the robot’s motion was, the less the amplitude in right occupito-temporal region was. This result suggests that the analysis of animate motion is related with the activation in right occupito-temporal region. These findings mean that animacy perception consists of two neural mechanisms.
Keyword (in Japanese) (See Japanese page) 
(in English) animacy perception / Event Related Potential / motion Turing test / / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 459, HCS2010-57, pp. 7-12, March 2011.
Paper # HCS2010-57 
Date of Issue 2011-02-28 (HCS) 
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)
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Conference Information
Committee HCS  
Conference Date 2011-03-07 - 2011-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To HCS 
Conference Code 2011-03-HCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Neural processing of animacy perception 
Sub Title (in English) An ERP study under motion Turing test condition 
Keyword(1) animacy perception  
Keyword(2) Event Related Potential  
Keyword(3) motion Turing test  
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1st Author's Name Haruaki Fukuda  
1st Author's Affiliation The University of Tokyo (Univ. of Tokyo)
2nd Author's Name Kazuhiro Ueda  
2nd Author's Affiliation The University of Tokyo (Univ. of Tokyo)
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Speaker Author-1 
Date Time 2011-03-07 14:00:00 
Presentation Time 30 minutes 
Registration for HCS 
Paper # HCS2010-57 
Volume (vol) vol.110 
Number (no) no.459 
Page pp.7-12 
#Pages 6 
Date of Issue 2011-02-28 (HCS) 

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