// parameters_ddi_baseline.hoc // Olfactory bulb network model: parameters file // for dendrodendritic inhibition. // Andrew Davison, The Babraham Institute, 2000. nmitx = 5 // 1st dimension of mitral cell array nmity = 5 // 2nd dimension of mitral cell array nglom = nmitx*nmity // total number of mitral cells g2m = 10 // ngranx = nmitx*g2m // 1st dimension of granule cell array ngrany = nmity*g2m // 2nd dimension of granule cell array mitsep = 1.0 // um // mitral cell separation gransep = mitsep/g2m // granule cell separation seed = 0 // seed for random number generator rmax = ngranx*0.5 // maximum range of synaptic connections synpermit = 200 // synapses per mitral cell thresh = -10 // mV // threshold for detecting spikes edelay = 1.8 // ms // time delay of mitral->granule synapses conducdel = 0 // ms // conduction delay in secondary dendrites idelay = 0.6 // ms // time delat of granule->mitral synapses AMPAweight = 1e-3 // uS // } NMDAweight = 7e-4 // uS // } synaptic conductances iweight = 6e-4 // uS // } maxinput = 1.0 // nA // measure of `odour intensity' nof = 10 // number of `odour features' diffglom = 0 // } 0 - cells are in the same glomerulus // } 1 - cells are in different glomeruli NMDArisetime = 30 // ms // rise-time of NMDA conductance NMDAdecay = 343 // ms // NMDA decay time constant NMDArise = 52 // ms // NMDA rise time constant mgconc = 0 // mM // external magnesium ion concentration strdef fileroot sprint(fileroot,"ddi_baseline") // root for output filenames odournumber = 1 // odour file inputnumber = 1 // fixed input file tstop = 1500 // ms // total simulation time ttrans = 0 // ms // when calculating statistics, ignore // spikes occuring before this time cvode.active(0) dt = 0.05 //ms