| Presentation | 2002/7/19 Associative Pattern Retrieval by Stochastic Resonance in FitzHugh-Nagumo Neural Network Shin MIZUTANI, Kenichi ARAI, Kazuyuki YOSHIMURA, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We report stochastic resonance (SR) in an associative memory network which is composed of a FitzHugh-Nagumo neuron model. The network is modulated by a Gaussian white noise independent among neurons and times, and by a temporally sinusoidal pattern. The modulation pattern is used from a randomly flipped learning pattern which consists of 2 values pattern. We study the pattern retrieval properties by SR when the overlap between the original learning pattern and the modulation pattern decreases. The output of the network is more similar to the learning pattern than the modulation pattern when the overlap is greater than moderate values and the noise variance is in some ranges. When the effect becomes large with large weight, the retrieval region of the learning pattern is extended in the overlap and also contracted in the noise variance. These responses show that the network retrieves the learning pattern even when the modulation pattern is slightly different from the learning pattern. This comes from a cooperative phenomenon by interactions and the retrieval function by the associative memory network. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | stochastic resonance / FitzHugh-Nagumo neuron model / associative memory model / pattern retrieval |
| Paper # | NC2002-35 |
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| Committee | NC |
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| Conference Date | 2002/7/19(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Neurocomputing (NC) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Associative Pattern Retrieval by Stochastic Resonance in FitzHugh-Nagumo Neural Network |
| Sub Title (in English) | |
| Keyword(1) | stochastic resonance |
| Keyword(2) | FitzHugh-Nagumo neuron model |
| Keyword(3) | associative memory model |
| Keyword(4) | pattern retrieval |
| 1st Author's Name | Shin MIZUTANI |
| 1st Author's Affiliation | NTT Communication Science Laboratories, NTT Corporation() |
| 2nd Author's Name | Kenichi ARAI |
| 2nd Author's Affiliation | NTT Communication Science Laboratories, NTT Corporation |
| 3rd Author's Name | Kazuyuki YOSHIMURA |
| 3rd Author's Affiliation | NTT Communication Science Laboratories, NTT Corporation |
| Date | 2002/7/19 |
| Paper # | NC2002-35 |
| Volume (vol) | vol.102 |
| Number (no) | 253 |
| Page | pp.pp.- |
| #Pages | 6 |
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