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Paper Abstract and Keywords
Presentation 2022-06-29 16:15
Effect of adding information associated with symbols on Gestaltzerfall
Takaya Nakanishi, Yasuhiro Tsubo (Ritsumeikan Univ.) NC2022-31 IBISML2022-31
Abstract (in Japanese) (See Japanese page) 
(in English) One of the effective experimental methods for studying multisensory integration information processing is to investigate how multistable visual perception is affected by auditory information.
Multistable perception is a phenomenon in which multiple perceptual states are spontaneously switched over time during sustained fixation on ambiguous visual information with two or more graphical meanings.
It has been reported that auditory information can bias the perception of ambiguous figures, which are often used in the study of multistable perception.
Although ambiguous figures have inherently several meanings, it is not very well understood yet whether using symbols as target stimuli, which require later learning of their meanings such as Chinese characters, will also result in a perceptual bias due to auditory information.
Here, we investigated the effects of sustained gazing on symbols by focusing on "Gestaltzerfall", a phenomenon in which the meaning of a Chinese character becomes imperceptible after sustained gazing.
We investigated the effect of adding information related to the target Kanji on the incidence of Gestaltzerfall, and examined brain activity correlated with the incidence of Gestaltzerfall.
The results showed that the addition of relevant information reduced the incidence of Gestaltzerfall compared to the addition of no information or irrelevant information.
In order to investigate brain regions related to Gestalt disintegration, we investigated brain regions that showed differences in event-related potentials during disintegration and non-collapses.
A negative correlation was observed in Fz and T4 at 250 ms after presentation of the target Kanji, a negative correlation in O1 at 320 ms, and a positive correlation in Cz, Pz, and T3 at 500 ms.
Keyword (in Japanese) (See Japanese page) 
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Reference Info. IEICE Tech. Rep., vol. 122, no. 89, NC2022-31, pp. 208-212, June 2022.
Paper # NC2022-31 
Date of Issue 2022-06-20 (NC, IBISML) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 NC2022-31 IBISML2022-31

Conference Information
Committee NC IBISML IPSJ-BIO IPSJ-MPS  
Conference Date 2022-06-27 - 2022-06-29 
Place (in Japanese) (See Japanese page) 
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Paper Information
Registration To NC 
Conference Code 2022-06-NC-IBISML-BIO-MPS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effect of adding information associated with symbols on Gestaltzerfall 
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1st Author's Name Takaya Nakanishi  
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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Speaker Author-1 
Date Time 2022-06-29 16:15:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2022-31, IBISML2022-31 
Volume (vol) vol.122 
Number (no) no.89(NC), no.90(IBISML) 
Page pp.208-212 
#Pages 5 
Date of Issue 2022-06-20 (NC, IBISML) 

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