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| Presentation | 2008-10-24 13:00 Analysis of auditory cortical representation with mutual information Ryo Yokota, Hidekazu Kose, Kazuyuki Aihara, Ryohei Kanzaki, Hirokazu Takahashi (The Univ. of Tokyo)  NC2008-53 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We investigated in the rat auditory cortex how each neuron differentially employs the rate coding and temporal spike coding with respect to the space code, i.e., the functional organization. For the first spike latency (FSL) and firing rate (FR), we measured mutual information (MI) against test stimuli, and investigated the distribution of each MI with respect to the tonotopic organization in the auditory cortex. The FSL MI was significantly higher in the high-frequency area than in the low-frequency area, while FR MI did not vary across the frequency axis in the auditory cortex. This result suggests that the temporal spike coding takes advantage of the tonotopic representation to encode the acoustic stimulus information. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Rate coding / Temporal coding / Tonotopic representation / Mutual information / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 264, NC2008-53, pp. 89-94, Oct. 2008. | |
| Paper # | NC2008-53 | |
| Date of Issue | 2008-10-16 (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 | NC2008-53 |
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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) | Analysis of auditory cortical representation with mutual information |
| Sub Title (in English) | |
| Keyword(1) | Rate coding |
| Keyword(2) | Temporal coding |
| Keyword(3) | Tonotopic representation |
| Keyword(4) | Mutual information |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Ryo Yokota |
| 1st Author's Affiliation | The university of Tokyo (The Univ. of Tokyo) |
| 2nd Author's Name | Hidekazu Kose |
| 2nd Author's Affiliation | The university of Tokyo (The Univ. of Tokyo) |
| 3rd Author's Name | Kazuyuki Aihara |
| 3rd Author's Affiliation | The university of Tokyo (The Univ. of Tokyo) |
| 4th Author's Name | Ryohei Kanzaki |
| 4th Author's Affiliation | The university of Tokyo (The Univ. of Tokyo) |
| 5th Author's Name | Hirokazu Takahashi |
| 5th Author's Affiliation | The university of Tokyo (The Univ. of Tokyo) |
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| Speaker | Author-1 |
| Date Time | 2008-10-24 13:00:00 |
| Presentation Time | 25 minutes |
| Registration for | NC |
| Paper # | NC2008-53 |
| Volume (vol) | vol.108 |
| Number (no) | no.264 |
| Page | pp.89-94 |
| #Pages | 6 |
| Date of Issue | 2008-10-16 (NC) |
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