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| Presentation | 2013-03-14 15:55 Brain mechanisms for the generation and transformations of visuospatial mental imagery Nobuhiko Asakura, Takafumi Sasaoka (Kyoto Univ.), Naoyuki Sato (Future Univ. Hakodate), Toshio Inui (Kyoto Univ.)  NC2012-166 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We present a framework for the generation and transformations of visuospatial mental imagery based on mental rotation and perspective-taking processes. First, we show that a parietal-frontal network is selectively recruited in imagined object rotation, whereas a medial network including precuneus and hippocampus is selectively recruited in imagined viewer rotation. Next we show that the moment of inertia of an object can affect the strategy of its mental rotation. We then present a generalized radial basis function (GRBF) network that can accomplish view generalization as a form of view prediction. Finally we present a computational model of spatial imagery based on the grid cell concept, and discuss the biological plausibility of an inverse perspective mapping incorporated into the model. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Visuospatial Imagery / Mental Rotation / Perspective Takling / GRBF / Grid Cell / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 480, NC2012-166, pp. 185-190, March 2013. | |
| Paper # | NC2012-166 | |
| Date of Issue | 2013-03-06 (NC) | |
| ISSN | Print edition: ISSN 0913-5685 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 | NC2012-166 |
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| Conference Information | |
| Committee | MBE NC |
| Conference Date | 2013-03-13 - 2013-03-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tamagawa University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | NC |
| Conference Code | 2013-03-MBE-NC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Brain mechanisms for the generation and transformations of visuospatial mental imagery |
| Sub Title (in English) | |
| Keyword(1) | Visuospatial Imagery |
| Keyword(2) | Mental Rotation |
| Keyword(3) | Perspective Takling |
| Keyword(4) | GRBF |
| Keyword(5) | Grid Cell |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Nobuhiko Asakura |
| 1st Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 2nd Author's Name | Takafumi Sasaoka |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Naoyuki Sato |
| 3rd Author's Affiliation | Future University Hakodate (Future Univ. Hakodate) |
| 4th Author's Name | Toshio Inui |
| 4th Author's Affiliation | Kyoto University (Kyoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-03-14 15:55:00 |
| Presentation Time | 25 minutes |
| Registration for | NC |
| Paper # | NC2012-166 |
| Volume (vol) | vol.112 |
| Number (no) | no.480 |
| Page | pp.185-190 |
| #Pages | 6 |
| Date of Issue | 2013-03-06 (NC) |
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