//genesis /* FILE INFORMATION ** The 1991 Traub set of voltage and concentration dependent channels ** Implemented as tabchannels by : Dave Beeman ** R.D.Traub, R. K. S. Wong, R. Miles, and H. Michelson ** Journal of Neurophysiology, Vol. 66, p. 635 (1991) */ // CONSTANTS float EREST_ACT = -0.080 /* hippocampal cell resting potl */ float ENA = 0.125 + EREST_ACT // 0.045 float EK = -0.015 + EREST_ACT // -0.095 float ECA = 0.140 + EREST_ACT // 0.080 float SOMA_A = 2.827e-9 // soma area in square meters //======================================================================== // Tabchannel K(DR) Hippocampal cell channel //======================================================================== function make_Kdr_hip_traub91 if ({exists Kdr_hip_traub91}) return end create tabchannel Kdr_hip_traub91 setfield ^ \ Ek {EK} \ // V Gbar { 50.0*SOMA_A } \ // S Ik 0 \ // A Gk 0 \ // S Xpower 4 \ Ypower 0 \ Zpower 0 setupalpha Kdr_hip_traub91 X \ {16e3 * (0.0351 + EREST_ACT)} \ // AA -16e3 \ // AB -1.0 \ // AC {-1.0 * (0.0351 + EREST_ACT) } \ // AD -0.005 \ // AF 250 \ // BA 0.0 \ // BB 0.0 \ // BC {-1.0 * (0.02 + EREST_ACT)} \ // BD 0.04 // BF end