proc init_params() { strdef somareadfile, dendreadfile somareadfile="ri18scs.asc" /* "ri18scon.asc" */ dendreadfile="ri18dcs.asc" /* "ri18dcon.asc" */ somav="dend1[21].v(0.5)" /* somatic recording site */ dendv="dend1[183].v(0.01)" /* dendritic recording site */ basalv="dend1[824].v(0.99)" /* dendritic recording site */ tuftv="dend1[386].v(0.99)" /* dendritic recording site */ /* initialize user-defined membrane parameters */ celsius = 35 global_ra=150 /* internal resistivity in ohm-cm */ /* global_ra=151 adjusted for 2% sag simulation */ /* global_ra=130 /* adjusted for nu Rm simulation */ Cm=1.0 /* specific membrane capacitance in uF/cm^2 */ Rm=23375 /* specific membrane resistivity in ohm-cm^2 */ /* Rm=13714 adjusted for low Rm simulation */ /* Rm=26750 /* adjusted for sag simulation */ /* Rm=26750 /* adjusted for nonuniform Rm simulation */ Vleak=-67 /* reversal of the leak potential in mV */ qblock=0 /* fraction of q current blocked by Cs */ nablock=1 /* fraction of na current blocked by TTX */ kblock=1 /* fraction of k current blocked */ spinescale=2.0 /* scale total area to account for spines */ areascale=1.30 /* scale total area by an additional factor */ /* areascale=1.44 adjusted for 2% sag simulation */ target=53.6 /* input resistance target in CsCl */ /* target=35.5 adjusted for low Rm simulation */ /* parameter changes for low Rm simulation */ /* global_ra = 98.5 */ /* Rm = 32000 */ /* areascale = 1.2946 */ rmscale = 1241 /* for nonuniform rm simulations */ } init_params()