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Paper Abstract and Keywords
Presentation 2005-06-17 16:40
Analysis of Brain Activities using MEG while Reading a Sentence with Displacement
Naoki Watanabe, Fumiya Takeuchi, Shinya Kuriki (Hokkaido Univ.), Hiroko Hagiwara (Tokyo Metro Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) We have measured MEG response while subjects were reading Japanese complex sentences, which were presented visually phrase-by-phrase. The sentences consisted of subject-, object-, and verb-phrases, constituting the main clause and subordinate clause. MEG responses were recorded for each phrase, and the reconstruction of distributed current sources that were constrained on the cortex surface was performed using a current density analysis (Minimum L1 Norm reconstruction). In the result, after the activities of visual area were reduced, main activities occurred in wide areas of the prefrontal, frontal, temporal, parietal and occipital regions. When subjects read a sentence with displacement, the obtained results indicated a strong activation especially in the motor region of the left hemisphere, which suggests the involvement of the motor activity in processing the displaced sentence without overt speech.
Keyword (in Japanese) (See Japanese page) 
(in English) Language / Displacement / Brain magnetic field / MEG / L1 Norm reconstruction / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 122, MBE2005-19, pp. 33-36, June 2005.
Paper # MBE2005-19 
Date of Issue 2005-06-10 (MBE) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee MBE  
Conference Date 2005-06-17 - 2005-06-17 
Place (in Japanese) (See Japanese page) 
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Paper Information
Registration To MBE 
Conference Code 2005-06-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of Brain Activities using MEG while Reading a Sentence with Displacement 
Sub Title (in English)  
Keyword(1) Language  
Keyword(2) Displacement  
Keyword(3) Brain magnetic field  
Keyword(4) MEG  
Keyword(5) L1 Norm reconstruction  
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1st Author's Name Naoki Watanabe  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Fumiya Takeuchi  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Shinya Kuriki  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
4th Author's Name Hiroko Hagiwara  
4th Author's Affiliation Tokyo metropolitan University (Tokyo Metro Univ.)
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Speaker Author-1 
Date Time 2005-06-17 16:40:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2005-19 
Volume (vol) vol.105 
Number (no) no.122 
Page pp.33-36 
#Pages
Date of Issue 2005-06-10 (MBE) 


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