| Paper Abstract and Keywords |
| Presentation |
2018-12-15 13:50
A neural mechanism for processing dynamic interaural intensity differences in inferior colliculus Eiki Hayashi, Yoshiki Kashimori (UEC) NC2018-33 |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Neurons in the inferior colliculus (IC) of the mustached bat have been shown to represent intensity difference between sounds from both ears. However, it remains unclear how IC neurons represent the binaural intensity difference (IID). To address this issue, we developed a neural network model of bat's auditory system for processing information of sound intensity. The model consists of the networks of the lateral superior olive (LSO), the dorsal nucleus of lateral lemniscus (DNLL), and the IC. IC neuron was modeled with the Leaky-Integrator neuron model. It receives an excitatory input from LSO neurons and an inhibitory input from DNLL neurons. We show that inhibition from DNLL to IC is responsible for the gain control by which an IID is represented by the same IC neuron, irrespective of different pairs of sound intensity. We also explore the mechanism by which temporal-varying IIDs are coded in IC neurons. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Auditory system / Binaural intensity difference / Inferior Colliculus / Neural model / / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 118, no. 367, NC2018-33, pp. 29-34, Dec. 2018. |
| Paper # |
NC2018-33 |
| Date of Issue |
2018-12-08 (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 |
NC2018-33 |
| Conference Information |
| Committee |
NC MBE |
| Conference Date |
2018-12-15 - 2018-12-15 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Nagoya Institute of Technology |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
NC |
| Conference Code |
2018-12-NC-MBE |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
A neural mechanism for processing dynamic interaural intensity differences in inferior colliculus |
| Sub Title (in English) |
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| Keyword(1) |
Auditory system |
| Keyword(2) |
Binaural intensity difference |
| Keyword(3) |
Inferior Colliculus |
| Keyword(4) |
Neural model |
| Keyword(5) |
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| Keyword(6) |
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| 1st Author's Name |
Eiki Hayashi |
| 1st Author's Affiliation |
University of Electro-Communications (UEC) |
| 2nd Author's Name |
Yoshiki Kashimori |
| 2nd Author's Affiliation |
University of Electro-Communications (UEC) |
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| Speaker |
Author-1 |
| Date Time |
2018-12-15 13:50:00 |
| Presentation Time |
25 minutes |
| Registration for |
NC |
| Paper # |
NC2018-33 |
| Volume (vol) |
vol.118 |
| Number (no) |
no.367 |
| Page |
pp.29-34 |
| #Pages |
6 |
| Date of Issue |
2018-12-08 (NC) |