| Presentation | 2008-03-12 A neural circuit model of short-term memory for changing in total number of items recalled depending on their relationships Tora SAWAGUCHI, Kazushi MURAKOSHI, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | It is said that the capacity of information that can be stored in short-term memory is seven chunks. It is suggested that the number of items that can be stored in the short-term memory changed depending on their relationships by psychological experiments. However, the model proposed by Lisman and Idiart (1995) is not able to explain the changing in total number of items recalled. In our proposed model, the expression of the item has been changed based on the physiological experiment. In addition, to promote the synchronization of neurons, excitatory connections were set between the neurons that expressed the same item. The weight of these connections are acquired by the Spike Timing Dependent synaptic Plasticity (STDP) learning. In this model, the relationships between items have two kinds of forms. One is the relationship expressed by common neurons between two firing patterns for items. The other is expressed by connections between neuronal groups that compose the firing patterns. We performed the simulation of the proposed model. As a result, the change in the number of items that could be stored was observed in both forms of expressions. And the number approximately corresponds to the psychological experiments. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | neural circuit model / short-term memory / STDP / total number of items recalled |
| Paper # | NC2007-114 |
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| Committee | NC |
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| Conference Date | 2008/3/5(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| 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) | A neural circuit model of short-term memory for changing in total number of items recalled depending on their relationships |
| Sub Title (in English) | |
| Keyword(1) | neural circuit model |
| Keyword(2) | short-term memory |
| Keyword(3) | STDP |
| Keyword(4) | total number of items recalled |
| 1st Author's Name | Tora SAWAGUCHI |
| 1st Author's Affiliation | Department of Knowledge-based Information Engineering, Toyohashi University of Technology() |
| 2nd Author's Name | Kazushi MURAKOSHI |
| 2nd Author's Affiliation | Department of Knowledge-based Information Engineering, Toyohashi University of Technology |
| Date | 2008-03-12 |
| Paper # | NC2007-114 |
| Volume (vol) | vol.107 |
| Number (no) | 542 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |