:[$URL: https://bbpteam.epfl.ch/svn/analysis/trunk/IonChannel/xmlTomod/CreateMOD.c $] :[$Revision: 1499 $] :[$Date: 2012-01-28 10:45:44 +0100 (Sat, 28 Jan 2012) $] :[$Author: rajnish $] :Comment : :Reference :Fast rhythmic bursting can be induced in layer 2/3 cortical neurons by enhancing persistent Na+ conductance or by blocking BK channels. J. Neurophysiol., 2003, 89, 909-21 NEURON { SUFFIX M_0213 USEION k READ ek WRITE ik RANGE gMbar, gM, ik, BBiD } UNITS { (S) = (siemens) (mV) = (millivolt) (mA) = (milliamp) } PARAMETER { gMbar = 0.00001 (S/cm2) BBiD = 16 } ASSIGNED { v (mV) ek (mV) ik (mA/cm2) gM (S/cm2) mInf mTau mAlpha mBeta } STATE { m } BREAKPOINT { SOLVE states METHOD cnexp gM = gMbar*m ik = gM*(v-ek) } DERIVATIVE states { rates() m' = (mInf-m)/mTau } INITIAL{ rates() m = mInf } PROCEDURE rates(){ UNITSOFF mAlpha = 0.02/(1+exp((-v-20)/5)) mBeta = 0.01*exp((-v-43)/18) mInf = mAlpha/(mAlpha + mBeta) mTau = 1/(mAlpha + mBeta) UNITSON }