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YE WeiJie, LIU ShenQuan & LIU XuanLiang

Synchronization is considered to be a crucial mechanism that  maintains respiratory rhythm. For understanding the effect of electrical coupling on the transition of the firing patterns and synchronization, we coupled two inspiratory pacemaker neurons together, and studied various synchronous behaviors between them. We firstly compared the bifurcation diagrams  between the coupled neurons and single neuron, and found that the coupled  neurons had a more complicated bifurcation mode. By increas-ing the coupling strength, the regular vari ation of phase differences  was illustrated so that as ynchronous and some synchronous states could be observed. These synchronous  states were also shown in  detail by phase portraits and firing series. In addition, we explored the ranges of different synchronous states, which at tributed to different ranges of membrane capacitance and cou-pling strength.