TITLE h current of deep cerebellar nucleus (DCN) neuron
COMMENT
Translated from GENESIS by Johannes Luthman and Volker Steuber.
ENDCOMMENT
NEURON {
SUFFIX dcnh
NONSPECIFIC_CURRENT ih
RANGE gbar, ih, eh, m
GLOBAL qdeltat
}
UNITS {
(mA) = (milliamp)
(mV) = (millivolt)
}
PARAMETER {
qdeltat = 1
gbar = 1e-5 (siemens/cm2)
}
ASSIGNED {
v (mV)
ih (mA/cm2)
eh (mV)
minf
taum (ms)
}
STATE {
m
}
INITIAL {
rate(v)
taum = 400 / qdeltat
m = minf
}
BREAKPOINT {
SOLVE states METHOD cnexp
ih = gbar * m * m * (v - eh)
}
DERIVATIVE states {
rate(v)
m' = (minf - m) / taum
}
PROCEDURE rate(v(mV)) {
TABLE minf FROM -150 TO 100 WITH 300
minf = 1 / (1 + exp((v + 80) / 5))
}