Voltage-gated Current (2)

PARAMETER { gkbar = 0.036 (S/cm2) }

ASSIGNED {

v (mV)

ek (mV) : typically ~ -77.5

ik (mA/cm2)

gk (S/cm2)

}

STATE { n }

INITIAL {

: assume v constant for a long time

n = alpha(v)/(alpha(v) + beta(v))

}