TITLE h current of deep cerebellar nucleus (DCN) neuron COMMENT Translated from GENESIS by Johannes Luthman and Volker Steuber. ENDCOMMENT NEURON { SUFFIX h 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)) }