Associative Learning of Integrate-and-Fire Neurons with Memristor-Based Synapses

  • Authors:
  • Shiping Wen;Zhigang Zeng;Tingwen Huang

  • Affiliations:
  • Department of Control Science and Engineering, Huazhong University of Science and Technology, Wuhan, China 430074 and Key Laboratory of Image Processing and Intelligent Control of Education Minist ...;Key Laboratory of Image Processing and Intelligent Control of Education Ministry of China, Wuhan, China 430074 and Department of Control Science and Engineering, Huazhong University of Science and ...;Texas A & M University at Qatar, Doha, Qatar 5825

  • Venue:
  • Neural Processing Letters
  • Year:
  • 2013

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Abstract

A memrsitor is a two-terminal electronic device whose conductance can be precisely modulated by charge or flux through it. In this paper, we present a class of memristor-based neural circuits comprising leaky integrate-and-fire (I & F) neurons and memristor-based learning synapses. Employing these neuron circuits and corresponding SPICE models, the properties of a two neurons network are shown to be similar to biology. During correlated spiking of the pre- and post-synaptic neurons, the strength of the synaptic connection increases. Conversely, it is diminished when the spiking is uncorrelated. This synaptic plasticity and associative learning is essential for performing useful computation and adaptation in large scale artificial neural networks. Finally, future circuit design and consideration are discussed with the memristor-based neural networks.