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Paper Abstract and Keywords
Presentation 2008-10-24 10:50
The modulation effects of attention on steady-state visual evoked potential compared with psychophysical results
Yoshiyuki Kashiwase, Kazumichi Matsumiya, Ichiro Kuriki, Satoshi Shioiri (Tohoku Univ.) NC2008-51
Abstract (in Japanese) (See Japanese page) 
(in English) An EEG component, Steady-State Visual Evoked Potential (SSVEP), was used as an index of attentional focus in the visual field. SSVEPs are sinusoidally-evoked potentials induced by constantly flickering stimuli, having the same frequency as stimulus frequency. It is shown that attending to a flickering stimulus modulates both amplitude and phase synchronization of the frequency component of the evoked potential. We measured the temporal changes of amplitude and phase synchronization of SSVEPs to investigate the temporal characteristics of signal modulation accompanied by shifts of endogenous attention. Results showed the sustained temporal characteristics of attentional modulation in both amplitude and phase synchronization. In addition, we found that the performance of target detection task increased after the cue onset, suggesting the strong relationship between SSVEP and psychophysical results. Based on these results, temporal characteristics of visual attention were discussed.
Keyword (in Japanese) (See Japanese page) 
(in English) Attentional modulation / Steady-state visual evoked pontetial / Psychophysics / Temporal characteristics / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 264, NC2008-51, pp. 79-84, Oct. 2008.
Paper # NC2008-51 
Date of Issue 2008-10-16 (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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee NC  
Conference Date 2008-10-23 - 2008-10-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2008-10-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The modulation effects of attention on steady-state visual evoked potential compared with psychophysical results 
Sub Title (in English)  
Keyword(1) Attentional modulation  
Keyword(2) Steady-state visual evoked pontetial  
Keyword(3) Psychophysics  
Keyword(4) Temporal characteristics  
1st Author's Name Yoshiyuki Kashiwase  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Kazumichi Matsumiya  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Ichiro Kuriki  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Satoshi Shioiri  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Date Time 2008-10-24 10:50:00 
Presentation Time 25 
Registration for NC 
Paper # IEICE-NC2008-51 
Volume (vol) IEICE-108 
Number (no) no.264 
Page pp.79-84 
#Pages IEICE-6 
Date of Issue IEICE-NC-2008-10-16 

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