| Paper Abstract and Keywords |
| Presentation |
2006-07-14 14:55
A neural circuit model for generating complex birdsong syntax
Kentaro Katahira (Univ. of Tokyo), Kazuo Okanoya (RIKEN), Masato Okada (Univ. of Tokyo) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Abstract The singing behavior of songbirds has been investigated as a model of sequence learning and production. The song of the Bengalese finches, Lonchura striata var. domestica, is especially well described by a finite state automaton including a stochastic transition of the song sequence. The note sequences of Bengalese finch songs are described as higher-order Markov processes. Focusing on the neural structure of songbirds, we propose a neural network model that generates higher-order Markov process. The neurons in a nucleus, the RA, encode each note and are activated by RA-projecting neurons in another nucleus, the HVC. We hypothesize that one note included in different chunks is encoded by different RA-projecting neuron groups. From this assumption, the output sequence of RA is a higher-order Markov process, even though the RA-projecting neurons in the HVC fire on first-order Markov processes. We propose the neural network model of local circuits in the HVC and explain the mechanism by which
RA-projecting neurons transit stochastically on first-order Markov processes. We used a numerical simulation to show that our model can generate first-order Markov process song sequences. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
songbird / HVC / sequence generation / finite state automaton / / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 106, no. 163, NC2006-42, pp. 25-30, July 2006. |
| Paper # |
NC2006-42 |
| Date of Issue |
2006-07-07 (NC) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
|
| Conference Information |
| Committee |
NC |
| Conference Date |
2006-07-14 - 2006-07-14 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Waseda University |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
General |
| Paper Information |
| Registration To |
NC |
| Conference Code |
2006-07-NC |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
A neural circuit model for generating complex birdsong syntax |
| Sub Title (in English) |
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| Keyword(1) |
songbird |
| Keyword(2) |
HVC |
| Keyword(3) |
sequence generation |
| Keyword(4) |
finite state automaton |
| Keyword(5) |
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| 1st Author's Name |
Kentaro Katahira |
| 1st Author's Affiliation |
University of Tokyo (Univ. of Tokyo) |
| 2nd Author's Name |
Kazuo Okanoya |
| 2nd Author's Affiliation |
RIKEN (RIKEN) |
| 3rd Author's Name |
Masato Okada |
| 3rd Author's Affiliation |
University of Tokyo (Univ. of Tokyo) |
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| Speaker |
Author-1 |
| Date Time |
2006-07-14 14:55:00 |
| Presentation Time |
25 minutes |
| Registration for |
NC |
| Paper # |
NC2006-42 |
| Volume (vol) |
vol.106 |
| Number (no) |
no.163 |
| Page |
pp.25-30 |
| #Pages |
6 |
| Date of Issue |
2006-07-07 (NC) |
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