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Paper Abstract and Keywords
Presentation 2019-10-11 14:30
Intra- and inter-individual variability of event-related potential
Touma Takishita, Yasuhiro Tsubo (Ritsumeikan Univ.) MBE2019-31 NC2019-22
Abstract (in Japanese) (See Japanese page) 
(in English) Despite humans perpetually process sensory information acquiring from the external environment, this cognitive mechanism remains still unknown. Ruiz et al. performed an experimental task in which multiple types of visual stimuli were presented to 20 people, and investigated which kind of stimulus images were effective for identifying subjects by event-related potentials. In this previous study, it was reported that even when the same stimulus was presented, there was an intra-individual variability of event-related potentials, and the event-related potential were different depending on the types of stimuli. It is, however, still unclear that when the difference in inter-individual variability of event-related potentials appears remarkably, how it changes with each recording day, and how it depends on the types of stimuli. In this experiment, we performed an experiment in which 9 subjects were presented with multiple types of stimuli on 10 different days, and inter- and intra-individual variability were examined. As a result, inter-individual variability of event-related potentials was strongly observed 100 to 300 ms after the second stimulus was presented, but intra-individual variability of event-related potentials was strongly not observed at any time. However, as the number of experiments was increased, the strong time zone of inter-individual variability of event-related potentials changed. In addition, the intensity of the effect of inter-individual variability of event-related potentials varied with the type of stimulus.
Keyword (in Japanese) (See Japanese page) 
(in English) event-related potential / reproducibility / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 225, NC2019-22, pp. 13-17, Oct. 2019.
Paper # NC2019-22 
Date of Issue 2019-10-04 (MBE, 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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF MBE2019-31 NC2019-22

Conference Information
Committee MBE NC  
Conference Date 2019-10-11 - 2019-10-12 
Place (in Japanese) (See Japanese page) 
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Paper Information
Registration To NC 
Conference Code 2019-10-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Intra- and inter-individual variability of event-related potential 
Sub Title (in English)  
Keyword(1) event-related potential  
Keyword(2) reproducibility  
1st Author's Name Touma Takishita  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
2nd Author's Name Yasuhiro Tsubo  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
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Date Time 2019-10-11 14:30:00 
Presentation Time 15 
Registration for NC 
Paper # IEICE-MBE2019-31,IEICE-NC2019-22 
Volume (vol) IEICE-119 
Number (no) no.224(MBE), no.225(NC) 
Page pp.13-17 
#Pages IEICE-5 
Date of Issue IEICE-MBE-2019-10-04,IEICE-NC-2019-10-04 

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