半中心振子相位模型中的动力学:两个神经元兴奋性耦合
Dynamics in a phase model of half-center oscillator: two neurons with excitatory coupling
摘要:
提出了一种半中心振子的最小模型。其中,我们考虑动力学的两个可兴奋神经元相互作用的兴奋性耦合的手段。在该模型的参数空间中,我们确定的区域的动力学,中央模式发生器的特征:分别同相,反相同步振荡和静止,并研究所有这些状态之间的各种分歧过渡。建议的模型可以作为一个特定的复杂的中央模式发生器的研究在动物和人类的节律活动和信息处理的积木。
英文摘要:
A minimalistic model of the half-center oscillator is proposed. Within it, we consider dynamics of two excitable neurons interacting by means of the excitatory coupling. In the parameter space of the model, we identify the regions of dynamics, characteristic for central pattern generators: respectively, in-phase, anti-phase synchronous oscillations and quiescence, and study various bifurcation transitions between all these states. Suggested model can serve as a building block of specific complex central pattern generators for studies of rhythmic activity and information processing in animals and humans.
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