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Analysis of spatio-temporal patterns in associative networks of spiking neurons

机译:尖刺神经元联想网络中的时空模式分析

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A neural network is presented that stores spatio-temporal patterns (synfire-chains) in associative networks of spiking neurons and replays them at a controllable speed. An implicit equation is derived and solved numerically which relates theaverage speed to the network parameters. The replay speed can be controlled by unspecific background signals and also depends on the number of co-activated synfire-chains. Balanced inhibition can prevent the latter dependency. Simulation results confirmthe theory, but reveal instabilities for low and high control signals. These boundaries are traced back to four different destabilizing mechanisms.
机译:提出了一种神经网络,其将时空模式(Synfire-Chains)存储在尖刺神经元的关联网络中并以可控速度重放它们。在数值上推导和解决了隐式方程,其将灰色速度与网络参数相关。可以通过未特定的背景信号控制重放速度,并且还取决于共激活的Synfire-Chains的数量。平衡抑制可以防止后一种依赖。仿真结果证实了理论,但揭示了低控制信号的不稳定性。这些边界追溯到四种不同的稳定机制。

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