// SPN neuron model // --------------------------------------------- // // This model simulates rebound action potential firing in SPN neurons // following prolonged inhibition from the MNTB. // // Reference: // The Sound of Silence: ionic mechanisms encoding sound termination. // Cornelia Kopp-Scheinpflug, Adam JB Tozer, Susan W Robinson // Bruce L Tempel, Matthias H Hennig and Ian D Forsythe // Neuron, in press (2011) // // Contact: // Matthias H. Hennig, University of Edinburgh, 2011 // m.hennig@ed.ac.uk // mhhennig@gmail.com // // with contributions from: // Sarah J. Griffin, MRC Toxicology Unit, Leicester // simulation parameters // --------------------------------------------- { xpanel("soma(0 - 1) (Parameters)", 0) xlabel("soma(0 - 1) (Parameters)") xlabel("nseg = 1") xvalue("L","soma.L", 1,"define_shape()", 0, 0 ) xvalue("Ra","soma.Ra", 1,"soma.Ra += 0", 0, 1 ) xvalue("diam","soma.diam", 1,"", 0, 0 ) xvalue("cm","soma.cm", 1,"", 0, 0 ) xvalue("g_pas","soma.g_pas", 1,"", 0, 0 ) xvalue("e_pas","soma.e_pas", 1,"", 0, 0 ) xvalue("gnabar_sjg_na","soma.gnabar_sjg_na", 1,"", 0, 0 ) xvalue("gbar_HT","soma.gbar_HT", 1,"", 0, 0 ) xvalue("gbar_LT","soma.gbar_LT", 1,"", 0, 0 ) xvalue("ghbar_sjg_ih","soma.ghbar_sjg_ih", 1,"", 0, 0 ) xvalue("sjgeh_sjg_ih","soma.sjgeh_sjg_ih", 1,"", 0, 0 ) xvalue("gbar_lva","soma.gbar_lva", 1,"", 0, 0 ) xvalue("Erev_lva","soma.Erev_lva", 1,"", 0, 0 ) xvalue("V_s_lva","soma.V_s_lva", 1,"", 0, 0 ) xpanel(144,89) } // run selected stimulus protocols { xpanel("RunControl", 0) v_init = -60 tstop = 1000 dt = 0.025 xbutton("50 hz","myrun(NetStim[0].interval=20)") xbutton("100 hz","myrun(NetStim[0].interval=10)") xbutton("200 hz","myrun(NetStim[0].interval=5)") xbutton("300 hz","myrun(NetStim[0].interval=3.3)") xbutton("400 hz","myrun(NetStim[0].interval=2.5)") xpanel(1,96) } // set stimulation parameters { xpanel("Stimulation", 0) xlabel("TriggeredIClamp[0] at a(0.5)") xvalue("amp","PointProcessManager[0].pp.amp", 1,"", 0, 1 ) xvalue("dur","PointProcessManager[0].pp.dur", 1,"", 0, 1 ) xvalue("num","NetStim[0].number", 1,"", 0, 1 ) if(object_id(fl)!=0) { xlabel("mhh_Gfluct at a(0.5)") xvalue("noise dc","fl.g_e0", 1,"", 0, 1 ) xvalue("noise s-d","fl.std_e", 1,"", 0, 1 ) xvalue("noise tau","fl.tau_e", 1,"", 0, 1 ) } if(object_id(syn[0])!=0) { xlabel("synapses") xvalue("interval","syninterval", 1,"", 0, 1 ) xvalue("number","synnum", 1,"", 0, 1 ) xvalue("noise","synnoise", 1,"", 0, 1 ) xvalue("conductance","synconductance", 1,"", 0, 1 ) } if(object_id(synstim2)!=0) { xvalue("gap","gap", 1,"", 0, 1 ) } xpanel(4,320) }