Effect of Temperature on Synchronization Phenomena in Coupled Spiking Neuron Models

Abstract

Thermal effects on synchronization in a pair system of the Morris-Lecar type with excitatory synaptic couplings is studied. In the system, two parameters of temperature on ionic mechanisms ( μ ) and a relaxation rate of the synaptic couplings ( α ) are introduced. $$(\alpha, \mu)$$ -modulated synchronization transition are systematically investigated by their stability analysis derived from a phase reduction method. A phase response curve (PRC) is also obtained as one of important spiking properties. The PRC is very temperature sensitive. In addition, The μ -dependent duration and firing frequency of the spikes are founded.