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Transitions from bursting to spiking due to depolarizing current in the Chay neuronal model

机译:在Chay神经元模型中,由于去极化电流,从爆发转变为尖峰

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Distinct transitions of firing activities from bursting to spiking induced by the depolarizing current I are explored near the Hopf bifurcations in the Chay neuronal system. The period-1 "circle/homoclinic" bursting at one rest state makes a transition slowly to repetitive spiking with the parameter I increasing. However, the "Hopf/homoclinic" bursting via a "fold/homoclinic" hysteresis loop at another rest state may transit to continuous spiking abruptly by increasing I.
机译:在Chay神经元系统的Hopf分叉附近,探索了由去极化电流I引起的放电活动从爆发到尖峰的明显转变。在一个静止状态下爆发的周期1“圆/单斜”会随着参数I的增加缓慢过渡到重复尖峰。但是,在另一个静止状态下通过“折叠/单调”磁滞回线而爆发的“霍普夫/单调”可能会通过增加I突然转变为连续尖峰。

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