Table 4.

The stability of fixed points at different Ḡ_Ca values.

Condition	ḠCa (µS)	Fixed points	Eigenvalues	Stability
Before decentralization	0.06900	Upper level of the middle branch (−57.12mV, 0.2486)	0.1253, 0.0106	unstable node
Immediately after decentralization	0.06900	Left branch(−68.53mV, 0.1576)	−0.0696, −0.0048	stable node
During bouting	0.08845	Upper level of the middle branch (−58.65mV, 0.2346)	0.2275, 0.0030	unstable node
		Center of middle branch(−63.83mV, 0.1913)	0.2517, −0.0007	saddle node
		Lower level of middle branch(−67.64mV, 0.1636)	−0.0008+0.0137i, −0.0008−0.0137i	stable spiral
	0.08860	Upper level of the middle branch (−58.62mV, 0.2349)	0.2254, 0.0031	unstable node
		Center of middle branch(−63.87mV, 0.1910)	0.2476, −0.0007	saddle node
		Lower level of middle branch(−67.63mV, 0.1636)	−0.0003+0.0135i, −0.0003−0.0135i	stable spiral
	0.08870	Upper level of the middle branch (−58.60mV, 0.2350)	0.2240, 0.0031	unstable node
		Center of middle branch(−63.90mV, 0.1908)	0.2463, −0.0007	saddle node
		Lower level of middle branch(−67.62mV, 0.1637)	0.00002+0.0135i, 0.00002−0.0135i	unstable spiral
	0.08885	Upper level of the middle branch (−58.57mV, 0.2353)	0.2219, 0.0032	unstable node
		Center of middle branch(−63.94mV, 0.1905)	0.2444, −0.0007	saddle node
		Lower level of middle branch(−67.61mV, 0.1638)	0.0005+0.0134i, 0.0005−0.0134i	unstable spiral
	0.08895	Upper level of the middle branch (−58.56mV, 0.2355)	0.2205, 0.0033	unstable node
		Center of middle branch (−63.96mV, 0.1903)	0.2432, −0.0007	saddle node
		Lower level of middle branch (−67.60mV, 0.1638)	0.0009+0.0134i, 0.0009−0.0134i	unstable spiral
	0.08900	Upper level of the middle branch (−58.55mV, 0.2355)	0.2175, 0.0034	unstable node
		Center of middle branch(−63.98mV, 0.1902)	0.2448, −0.0007	saddle node
		Lower level of middle branch(−67.60mV, 0.1639)	0.0019+0.0131i, 0.0019−0.0131i	unstable spiral