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Paper Abstract and Keywords
Presentation 2010-03-10 10:15
Multiple brain activities evoked by recognition of semantic incongruencies in the visually-presented language stream
Kouichi Sutani, Sunao Iwaki (AIST) NC2009-119
Abstract (in Japanese) (See Japanese page) 
(in English) Semantically inappropriate words embedded in a sentence elicits event related potential (ERP) component called N400 at the latencies around 400 ms after the stimulus onset. In the present study, neuromagnetic measurements were used to investigate dynamic brain responses to semantic incongruencies in visually-presented language streams. Neural activities specific to the presentation of incongruent words in the language streams were observed in the left superior temporal, the parieto-temporal, and the inferior frontal/prefrontal regions, indicating the contribution of multiple information processing, including phonological and semantic language processing and working memory processes, in the generation of the N400 event-related component.The current results indicate that the working memory as well as the language-specific processes was involved in the generation of the N400 component.
Keyword (in Japanese) (See Japanese page) 
(in English) N400 response / Word recognition / LCMV Spatial filter / Semantic incongruity / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 461, NC2009-119, pp. 185-189, March 2010.
Paper # NC2009-119 
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 NC2009-119

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) Multiple brain activities evoked by recognition of semantic incongruencies in the visually-presented language stream 
Sub Title (in English)  
Keyword(1) N400 response  
Keyword(2) Word recognition  
Keyword(3) LCMV Spatial filter  
Keyword(4) Semantic incongruity  
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1st Author's Name Kouichi Sutani  
1st Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
2nd Author's Name Sunao Iwaki  
2nd Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
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Speaker Author-2 
Date Time 2010-03-10 10:15:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2009-119 
Volume (vol) vol.109 
Number (no) no.461 
Page pp.185-189 
#Pages 5 
Date of Issue 2010-03-02 (NC) 

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