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Emulation of Astrocyte Induced Neural Phase Synchrony in Spin-Orbit Torque Oscillator Neurons
arXiv - CS - Emerging Technologies Pub Date : 2020-07-01 , DOI: arxiv-2007.00776
Umang Garg, Kezhou Yang, Abhronil Sengupta

Astrocytes play a central role in inducing concerted phase synchronized neural-wave patterns inside the brain. In this letter, we demonstrate that injected radio-frequency signal in underlying heavy metal layer of spin-orbit torque oscillator neurons mimic the neuron phase synchronization effect realized by glial cells. Potential application of such phase coupling effects is illustrated in the context of a temporal "binding problem". We also present the design of a coupled neuron-synapse-astrocyte network enabled by compact neuromimetic devices by combining the concepts of local spike-timing dependent plasticity and astrocyte induced neural phase synchrony.

中文翻译:

自旋轨道扭矩振荡器神经元中星形胶质细胞诱导神经相位同步的仿真

星形胶质细胞在诱导大脑内的协调相位同步神经波模式方面发挥着核心作用。在这封信中,我们证明了在自旋轨道扭矩振荡器神经元的底层重金属层中注入的射频信号模拟了神经胶质细胞实现的神经元相位同步效应。在时间“绑定问题”的上下文中说明了这种相位耦合效应的潜在应用。我们还通过结合局部尖峰时间依赖性可塑性和星形胶质细胞诱导的神经相位同步的概念,展示了由紧凑型神经模拟装置启用的耦合神经元-突触-星形胶质细胞网络的设计。
更新日期:2020-10-28
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