//---------------------------------------------------------------------------- // create compartments and insert passive properties //---------------------------------------------------------------------------- create PRE PRE { diam=10 L=10 insert pas g_pas=1/5000 e_pas=v_init } //---------------------------------------------------------------------------- // insert transmitter release mechanisms //---------------------------------------------------------------------------- PRE { // insert stim insert rel // transmitter release del_rel = 10 dur_rel = 1 // increase stim.dur to get a burst of presynaptic spikes amp_rel = 1 } //---------------------------------------------------------------------------- // insert nmda receptor mechansisms //---------------------------------------------------------------------------- objectvar nmda nmda = new NMDA_Mg() // create synapse dend1[425] nmda.loc(0.5) // assign distal postsynaptic compartment setpointer nmda.C , PRE.T_rel(0.5) // assign presynaptic compartment Erev_NMDA_Mg = 5 // (mV) reversal potential (E_K) mg_NMDA_Mg = 1 // (mM) put in physiol magnesium nmda.gmax = 20000 // (pS) maximum conductance print "NMDA receptor inserted at dendritic location\n"