//genesis /*************************** MS Model, Version 7.6 ********************* **************************** SynParamsTh.g ********************* Avrama Blackwell kblackw1@gmu.edu Rebekah Evans rcolema2@gmu.edu Tom Sheehan tsheeha2@gmu.edu ****************************************************************************** To change synaptic parameters, change the include in MScellSpine.g Synaptic Parameters for thalamic inputs according to Ding ... Surmeier *****************************************************************************/ str AMPAname = "AMPA" float EkAMPA = 0.0 float AMPAtau1 = 1.1e-3 float AMPAtau2 = 5.75e-3 float AMPAgmax = 0.47e-9 //Ding 2008, th-str synapses have 2/1 NMDA/AMPA ratio, so 0.47e-9 for AMPA str GABAname = "GABA" float GABAtau1 = 0.25e-3 // From Galarreta and Hestrin 1997 float GABAtau2 = 3.75e-3 //(used in Wolfs model) float EkGABA = -0.060 float GABAgmax = 750e-12 //Modified Koos 2004 int GABA2Spine = 0 // = 0, No GABA; // 1, add GABA to spine head // 2, add GABA to spine neck int addCa2Spine = 1 // 0, no ca channels in spine, //1, yes ca channels in spine (non-synaptic) int NMDABufferMode = 0 // 1, connect both NMDA and AMPA calcium to NMDA_buffer // 0, connect only NMDA currents to NMDA_buffer float useAMPANMDAGHKchannels= 0 // we do not use GHK project for NMDA/AMPA setclock 0 5e-6 //was 5e-6 // Simulation time step (Second) setclock 1 2e-5 // time step for ascii output //setclock 1 1e-4 // time step for graphic output // parameters for NMDA subunits // cortex str subunit = "ThDing" float EkNMDA = 0 float Kmg = 3.57 float NMDAtau2 = (155e-3)/2 //thal avg for .42 NR2B and .58 NR2A. (300e-3)/2 (NR2B) (50e-3)/2 (NR2A) 126+29 = 155 float NMDAgmax = 0.94e-9 //NR2A and B from (Moyner et al., 1994 figure 7) int ghk_yesno=0 str NMDAname = {subunit}