NEURON{ POINT_PROCESS NMDA RANGE B GLOBAL mg } PARAMETER { mg = 1. (mM) : external magnesium concentration Cdur = 1. (ms) : transmitter duration (rising phase) Alpha = 4. (/ms mM) : forward (binding) rate Beta = 0.0067 (/ms) : backward (unbinding) rate 1/150 Erev = 0. (mV) : reversal potential } ASSIGNED { B } INCLUDE "netcon.inc" : EXTRA BREAKPOINT MUST BE BELOW THE INCLUDE BREAKPOINT { rates(v) g = g * B : g = GMAX * R * B i = i * B : i = g*(v - Erev) } PROCEDURE rates(v(mV)) { TABLE B DEPEND mg FROM -100 TO 80 WITH 180 B = 1 / (1 + exp(0.062 (/mV) * -v) * (mg / 3.57 (mM))) } :** GABAa