Retrieval Properties of Hopfield and Correlated Attractors in an Associative Memory Model (General)

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概要

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• We examine a previouly introduced attractor neural network model that explains the persistent activities of neurons in the anterior ventral temporal cortex of the brain. In this model, the coexistence of several attractors including correlated attractors was reported in the cases of finite and infinite loading. In this paper, by means of a statistical mechanical method, we study the statics and dynamics of the model in both finite and extensive loading, mainly focusing on the retrieval properties of the Hopfield and correlated attractors. In the extensive loading case, we derive the evolution equations by the dynamical replica theory. We found several characteristic temporal behaviours, both in the finite and extensive loading cases. The theoretical results were confirmed by numerical simulations.

• 社団法人日本物理学会の論文
• 2004-04-15

著者

• Uezu Tatsuya

  Graduate School Of Human Culture Nara Women's University

• Okada Masato

  Laboratory For Mathematical Neuroscience Riken Brain Science Institute:intelligent Cooperation And C

• Okada Masato

  Laboratory For Mathematical Neuroscience Brain Science Institute Riken

• HIRANO Aya

  Graduate School of Humanities and Sciences, Nara Women's University

• Hirano Aya

  Graduate School Of Humanities And Sciences Nara Women's University

• OKADA Masato

  Laboratory for Mathematical Neuroscience, RIKEN Brain Science Institute:Intelligent Cooperation and Control", PRESTO, JST, c/o RIKEN BS1

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