From: Changes in the criticality of Hopf bifurcations due to certain model reduction techniques in systems with multiple timescales
C m = 1μ F/cm2
ḡ K , C a =0.09 m S ∕ c m 2
ḡ K =12 mS ∕ c m 2
ḡ Ca =6.5 mS ∕ c m 2
ḡ L =0.04 mS ∕ c m 2
V K = -75 mV
VCa = 100 mV
VL = -40 mV
V* = 30 mV
V' = 50 mV
K d = 1μ M
f = 0.004
k1 = 0.0275 μ Mcm2 /nC
k c = 0.02 ms - 1
a n ( V + V * ) = 0 . 01 10 - V - V * e x p 10 - V - V * 10 - 1
b n ( V + V * ) =0.125 e x p - V - V * 80
a m ( V + V ′ ) =0.1 25 - V - V ′ e x p 25 - V - V ′ 10 - 1
b m ( V + V ′ ) =4 e x p - V - V ′ 18
a h ( V + V ′ ) =0.07 e x p - V - V ′ 20
b h ( V + V ′ ) = 1 e x p 30 - V - V ′ 10 + 1