Table 2.
Gating variables of conductance-based models
X
a
x
b
x
m
4 exp [-(
V
+ 60)/18]
h
0.35 exp[-
V
+ 58)/20]
n
0.625 exp[
V
+ 44)/80]
X
X
∞
τ
x
a
Instantaneous
b
20
s
Instantaneous
Z
50
, and
for
X
=
m
,
h
,
n
;
a
x
and
b
x
in msec
-1
; τ
x
in msec.