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The modulation of chemical connection on neuron firing pattern is investigated in a coupled Hind marsh-Rose model with distributive delays. Simulation results show that chemical coupling not only can improve the spiking-bursting transition, but also may stabilize the coupling induced quiescent phase and induce oscillation death. Detailed characterizations of the transition are given. It reveals that...
Delay effect is compared in the electrical and chemical synaptic coupled Hidmarsh-Rose (HR) neurons systems. Simulation results show that in linear electrical coupling, delay can help to synchronize the neurons. But in the chemical synaptic coupling case, the change of time delay may periodically eliminate the original firing signal.
The counterintuitive noise effect in nonlinear systems plays an important role in determining the system dynamics near the bifurcation point. In many systems whose information processing is based on the spatiotemporal dynamics, delay in the information transition process is also important. In this work, the effect of delay is investigated in a coupled noisy nonlinear chemical signaling system. Simulation...
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