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Paper Abstract and Keywords
Presentation 2014-03-18 11:00
Active memory capacity in a neural network with short-term synaptic plasticity
Kenji Tanaka (Univ. of Tokyo), Yasuhiko Igarashi (Univ. of Tokyo/JSPS), Masato Okada (Univ. of Tokyo/RIKEN)
Abstract (in Japanese) (See Japanese page) 
(in English) In pre-frontal cortex (PFC), electro physiological experiments studies have established a link between the neuronal activity and working memory that temporary holds information for processing purpose.
Therefore, many theoretical studies investigated how to implement this function on the recurrent neural networks.
Previous study propose that the working memory model with short-term synaptic plasticity can reproduce a high activity persistent state and a oscillation activity state reported by several electro physiological experiments.

However, functional difference between these activity state has not been argued fully.
Here, we study two types of activity comparatively as keeping multiple items, using working memory model with short-term synaptic plasticity.
As a result, working memory capacity by a high activity persistent state be easily influenced with background input, but by a oscillation activity state be hardly influenced with background input.
Keyword (in Japanese) (See Japanese page) 
(in English) short-term synaptic plasticity / working memory / active memory capacity / rate model / pre-frontal cortex / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 500, NC2013-105, pp. 97-102, March 2014.
Paper # NC2013-105 
Date of Issue 2014-03-10 (NC) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee NC MBE  
Conference Date 2014-03-17 - 2014-03-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2014-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Active memory capacity in a neural network with short-term synaptic plasticity 
Sub Title (in English)  
Keyword(1) short-term synaptic plasticity  
Keyword(2) working memory  
Keyword(3) active memory capacity  
Keyword(4) rate model  
Keyword(5) pre-frontal cortex  
1st Author's Name Kenji Tanaka  
1st Author's Affiliation University of Tokyo (Univ. of Tokyo)
2nd Author's Name Yasuhiko Igarashi  
2nd Author's Affiliation University of Tokyo/JSPS (Univ. of Tokyo/JSPS)
3rd Author's Name Masato Okada  
3rd Author's Affiliation University of Tokyo/RIKEN (Univ. of Tokyo/RIKEN)
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Date Time 2014-03-18 11:00:00 
Presentation Time 20 
Registration for NC 
Paper # IEICE-NC2013-105 
Volume (vol) IEICE-113 
Number (no) no.500 
Page pp.97-102 
#Pages IEICE-6 
Date of Issue IEICE-NC-2014-03-10 

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