param.hoc

{load_file("default.hoc")}

// network size parameters
default_var("Nx", 32) // number of cells in x-dimension
default_var("Ny", 64) // number of cells in y-dimension

// boundary conditions - 0 means cut, 1 means wrap, (2 means mirror?)
default_var("xwrap", 0)
default_var("ywrap", 0)

// gap connection parameter
default_var("ggap", 30) // nanosiemens
default_var("gsd", 0) // variance, nanosiemens
default_var("drift", 0) // drift

// ionic concentrations
default_var("ca_in", 1e-7) // used to set cai0_ca_ion (mM)
default_var("ca_out", 1.8) // used to set cao0_ca_ion (mM)
default_var("na_in", 20) // used to set nai0_na_ion (mM)
default_var("na_out", 140) // used to set nao0_na_ion (mM)
default_var("k_in", 141.59) // used to set ki0_k_ion (mM)
default_var("k_out", 5.4) // used to set ko0_k_ion (mM)

// stimulation parameters for NIClamp
default_var("msrow", 2) // beginning row for line of ms stim
default_var("mscol", 3) // beginning col for line of ms stim
default_var("nms", 4) // number of adjacent identical ms stim (in mscol)
default_var("msdel", 100) // (ms)
default_var("msdur", 1) // (ms)
default_var("msamp", 0) // (nA)
default_var("msdel1", 900) // (ms)
default_var("msn", 3) // (1)
default_var("ms2row", 8) // like msrow
default_var("ms2col", 8) // like mscol
default_var("ms2del", 100) // (ms)
default_var("ms2dur",5) // (msec)
default_var("ms2amp", 8) // (nA)
default_var("ms2del1", 800) // (msec)
default_var("ms2n", 200) // (1)

// simulation parameters
default_var("stoptime", 1000) // used to set tstop (ms)
default_var("temperature", 37) // used to set celsius (degC)
default_var("vinit", -75) // used to set v_init (mV)
default_var("ran_global", 0) // Random123_globalindex(ran_global)

// administrative parameters
default_var("use_halfgapspk", 0) // default HalfGap, otherwise, HalfGapSpk
default_var("checkpoint_interval", 10000) //interval for spike and trajec output
default_var("block_distrib", 0) // if 1 distribute in "square" blocks on ranks.
	// This reduces interprocessor communication but for greatest
	// effectiveness on a BlueGene one should also use an appropriate
	// rank to torus/core map

tstop = stoptime
celsius = temperature
v_init = vinit
cai0_ca_ion = ca_in
cao0_ca_ion = ca_out
nai0_na_ion = na_in
nao0_na_ion = na_out
ki0_k_ion = k_in
ko0_k_ion = k_out