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| Presentation | 2023-03-13 15:05 Time-frequency analysis of neural response coupling between brain surface and deep regions in the rat auditory cortex Ryosuke Goto, Takashi Tateno, Jun Nishikawa (Hokkaido Univ.)  NC2022-95 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Multi-electrode arrays (MEAs) are widely used as cellular interfaces for large-scale neuronal recording. MEAs are broadly classified into flexible sheet-type surface electrodes and rigid needle-type penetration electrodes. While the penetration electrode can directly measure spiking activity of neurons even in the deep brain region, it is known to be invasive for the brain tissue. Surface electrodes are relatively low invasive but only measures local field potentials (LFPs) on the surface. If the relationship between the signals measured by the surface electrode and those measured by the penetration electrode can be clarified, it may be possible to estimate neural activity in the deep brain region only from minimally invasive surface electrode measurements. In this study, we investigated the relationship between neural responses at the surface and deep brain regions by simultaneous measurement by surface electrodes and penetration electrodes in the auditory cortex of rats. Time-frequency analysis, which can quantify the neural responses in specific frequency components, revealed a strong correlation between the neural response at the surface electrode and that at the penetration electrode, specifically in the Hγ band (70-170 Hz). Furthermore, the Hγ band responses were found to reflect the frequency and sound pressure level of the sound stimulus. These results indicate the possibility to estimate auditory neural responses in the deep brain only from low-invasive surface electrode measurements. . |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Auditory cortex / Surface electrodes / Penetration electrodes / Time-frequency analysis / Neural response coupling / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 425, NC2022-95, pp. 25-30, March 2023. | |
| Paper # | NC2022-95 | |
| Date of Issue | 2023-03-06 (NC) | |
| 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 | NC2022-95 |
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| Conference Information | |
| Committee | NC MBE |
| Conference Date | 2023-03-13 - 2023-03-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | The Univ. of Electro-Communications |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Brain architecture, General |
| Paper Information | |
| Registration To | NC |
| Conference Code | 2023-03-NC-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Time-frequency analysis of neural response coupling between brain surface and deep regions in the rat auditory cortex |
| Sub Title (in English) | |
| Keyword(1) | Auditory cortex |
| Keyword(2) | Surface electrodes |
| Keyword(3) | Penetration electrodes |
| Keyword(4) | Time-frequency analysis |
| Keyword(5) | Neural response coupling |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Ryosuke Goto |
| 1st Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 2nd Author's Name | Takashi Tateno |
| 2nd Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 3rd Author's Name | Jun Nishikawa |
| 3rd Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
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| Speaker | Author-1 |
| Date Time | 2023-03-13 15:05:00 |
| Presentation Time | 25 minutes |
| Registration for | NC |
| Paper # | NC2022-95 |
| Volume (vol) | vol.122 |
| Number (no) | no.425 |
| Page | pp.25-30 |
| #Pages | 6 |
| Date of Issue | 2023-03-06 (NC) |
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