I am trying to implement the persistent sodium current in my model. For this, I have removed the hh mechanism from my code. By doing so, the following error occurs:
Code: Select all
hh mechanism not inserted in section dopaminergic[0].soma
C:\nrn\bin\nrniv.exe:
in C:/Users/verma/OneDrive/Model_OneDrive/test.hoc near line 244
addgraph("dopa.soma.ina", 2, 1)
Code: Select all
UNITS {
(S) = (siemens)
(mA) = (milliamp)
(mV) = (millivolt)
}
NEURON {
SUFFIX NaP
USEION na READ ena WRITE ina
RANGE gnaPbar,ena, ina
RANGE minf
RANGE tau_m
RANGE vhalfAct,slopeAct
}
PARAMETER {
v (mV)
dt (ms)
gnaPbar = 0.00002 (S/cm2)
ena = 50 (mV)
tau_m = 0.1 (ms)
vhalfAct = -57 (mV)
slopeAct = 3.5
}
STATE {
m
}
ASSIGNED {
ina (mA/cm2)
minf
}
BREAKPOINT {
SOLVE states METHOD cnexp
ina = gnaPbar*m*(v - ena)
}
UNITSOFF
INITIAL {
m = minf
}
DERIVATIVE states {
LOCAL minf
minf = 1/(1 + exp(-(v - vhalfAct)/slopeAct))
m' = (minf-m)/tau_m
}
UNITSON