TITLE Cerebellum Golgi Cell Model
COMMENT
Potassium first order kinetics
Author: F. Simoes de Souza
Revised: 15.07.09
ENDCOMMENT
NEURON {
SUFFIX k_conc
USEION k READ ik, ki, ko WRITE ki, ko
RANGE d, beta, ki0, ko0
}
UNITS {
(mV) = (millivolt)
(mA) = (milliamp)
(um) = (micron)
(molar) = (1/liter)
(mM) = (millimolar)
FARADAY = (faraday) (coulomb)
}
PARAMETER {
celsius (degC)
d = .2 (um)
ko0 = 5 (mM)
ki0 = 140 (mM)
beta = 1.3 (/ms)
ik (mA/cm2)
}
ASSIGNED {
}
STATE {
ki (mM)
ko (mM)
}
INITIAL {
ki = ki0
ko= ko0
}
BREAKPOINT {
SOLVE conc METHOD derivimplicit
}
DERIVATIVE conc {
ki' = -(ik)/(2*FARADAY*d)*(1e4) - beta*(ki-ki0)
ko'= (ik)/(2*FARADAY*d)*(1e4) - beta*(ko-ko0)
}