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| Presentation | 2022-06-29 15:25 MachBands perception is reflected in event-related potentials in visual cortex Kazuma Higashizono, Yasuhiro Tsubo (Ritsumeikan Univ)  NC2022-29 IBISML2022-29 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Visual illusions are one of the phenomena that show a remarkable difference in image processing between machine learning and human information processing. Utilizing visual illusions enable to significantly change perception without changing the physical stimulus characteristics. Various psychophysical experiments have been conducted to investigate the information processing of human visual illusions. In addition, many studies have been conducted to investigate the neuroscientific background of visual illusions by contrasting stimuli with and without illusory effects using functional brain imaging techniques. The MachBands illusion is known as one of the illusions, and it has been reported that the perception of MachBands depends on the luminance difference at the edge of the stimulus, which is the difference in luminance at the center of the stimulus. However, it is not well known which areas in the brain are related to the perception of MachBands and at which time of day. In this study, we investigated brain activity related to the perception of MachBands by comparing event-related potentials during the appearance and non-appearance of MachBands. As a result, Event-related potentials during perceived and unperceived MachBands were significantly different in the occipital area (O1, O2) at around 300-400ms, in the parietal area (Cz, Pz) at around 600ms, in the occipital area (O1, O2) again at around 700ms, in the parietal area (Fz, Cz) at around 900ms. |
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| Keyword | (in Japanese) | (See Japanese page) |
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| Reference Info. | IEICE Tech. Rep., vol. 122, no. 89, NC2022-29, pp. 199-202, June 2022. | |
| Paper # | NC2022-29 | |
| Date of Issue | 2022-06-20 (NC, IBISML) | |
| ISSN | 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 | NC2022-29 IBISML2022-29 |
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| 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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| Topics (in Japanese) | (See Japanese page) |
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| 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) | MachBands perception is reflected in event-related potentials in visual cortex |
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| 1st Author's Name | Kazuma Higashizono |
| 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 15:25:00 |
| Presentation Time | 25 minutes |
| Registration for | NC |
| Paper # | NC2022-29, IBISML2022-29 |
| Volume (vol) | vol.122 |
| Number (no) | no.89(NC), no.90(IBISML) |
| Page | pp.199-202 |
| #Pages | 4 |
| Date of Issue | 2022-06-20 (NC, IBISML) |
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