// M. C. Vanier and J. M. Bower // A Comparative Survey of Automated Parameter-Searching Methods // for Compartmental Neural Models // Description of the simplified layer 2 pyramidal cell model // (model 5). Morphology, passive parameters, and initial values // of the channel conductance densities. *compt /library/compartment // RM: the specific membrane resistivity in units of ohm-(meter^2 // RA: the specific axial resistivity in units of ohm-meter // CM: the specific membrane capacitance in units of farad/(meter^2) // Em: passive membrane "reversal potential" in units of volts // initVm: starting value of the resting potential in volts *set_compt_param RM 0.5029 *set_compt_param RA 0.5829 *set_compt_param CM 0.0436 *set_compt_param Em -0.073 *set_compt_param initVm -0.080 // Format: compartment_name parent_name x y z diameter // [Channel density]... // // The xyz coordinates are of the end of the compartment only. // x, y, z, and diameter coordinates are in microns. // Channel densities represent the maximum conductance of the // channel per unit area, and are in units of siemens/(meter^2) // Ca_conc is not a channel but a calcium buffer; the density // value represents the scaling between total current through // Ca channels and increase in Ca concentration; it scales with // compartment _volume_, not area. Its units are M/(ampere-sec)/(meter^3) soma none 0.0 0.0 21.3487 10.4300 \ Na 2800 Na_pers 65 Kdr 270 Ka 200 KM 100.0 \ Kahp 4.0 Kahp2 20.0 Ca 10.0 Ca_conc 1.0e+21 // Use different initVm parameter for the dendrites. *set_compt_param initVm -0.073 // For convenience, we orient the cell in the z direction. deepIb . 0.0 0.0 173.6820 1.6016 supIb . 0.0 0.0 173.6820 1.6016 Ia . 0.0 0.0 115.7880 1.6016 basal soma 0.0 0.0 -478.0872 3.2010