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Table 3 Parameter values and function definitions for the Chay-Keizer model, Equations (15)

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

Â