Learning-induced synchronization and plasticity of a developing neural network

T. C. Chao, C. M. Chen*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

11 引文 斯高帕斯(Scopus)

摘要

Learning-induced synchronization of a neural network at various developing stages is studied by computer simulations using a pulse-coupled neural network model in which the neuronal activity is simulated by a one-dimensional map. Two types of Hebbian plasticity rules are investigated and their differences are compared. For both models, our simulations show a logarithmic increase in the synchronous firing frequency of the network with the culturing time of the neural network. This result is consistent with recent experimental observations. To investigate how to control the synchronization behavior of a neural network after learning, we compare the occurrence of synchronization for four networks with different designed patterns under the influence of an external signal. The effect of such a signal on the network activity highly depends on the number of connections between neurons. We discuss the synaptic plasticity and enhancement effects for a random network after learning at various developing stages.

原文英語
頁(從 - 到)311-324
頁數14
期刊Journal of Computational Neuroscience
19
發行號3
DOIs
出版狀態已發佈 - 2005 12月

ASJC Scopus subject areas

  • 感覺系統
  • 認知神經科學
  • 細胞與分子神經科學

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