// protodefs.g - Definition of prototype elements for Tutorial #7 /* file for standard compartments */ include compartments // include the definitions for the functions to create H-H channels include hhchan /* hhchan.g assigns values to the global variables EREST_ACT, ENA, EK, and SOMA_A. The first three will be superseded by values defined below. The value of SOMA_A is not relevant, as the cell reader calculates the compartment area. */ EREST_ACT = -0.07 // resting membrane potential (volts) ENA = 0.045 // sodium equilibrium potential EK = -0.082 // potassium equilibrium potential /* file for synaptic channels */ include synchans /* file which makes a spike generator */ include protospike // Make a "library element" to hold the prototypes which will be used // by the cell reader to add compartments and channels to the cell. create neutral /library // We don't want the library to try to calculate anything, so we disable it disable /library // To ensure that all subsequent elements are made in the library pushe /library // Make a prototype compartment. The internal fields will be set by // the cell reader, so they do not need to be set here. make_cylind_compartment /* makes "compartment" */ // Create the prototype H-H channels "Na_squid_hh" and "K_squid_hh" make_Na_squid_hh make_K_squid_hh // Make a prototype excitatory channel, "Ex_channel" make_Ex_channel /* synchan with Ek = 0.045, tau1 = tau2 = 3 msec */ // Make a prototype inhibitory channel, "Inh_channel" make_Inh_channel /* synchan with Ek = -0.082, tau1 = tau2 = 20 msec */ make_spike /* Make a spike generator element "spike"*/ pope