1 Cm alpha i_Ca_T i_Ca_L i_Ca_K i_K i_Cl 127 V 8265 105 alpha_m alpha_m beta_m 0.1 50 V_tilde 5 V_tilde 0.1 1 4 25 V_tilde 18 alpha_h 1 h beta_h h alpha lamda 0.07 25 V_tilde 20 1 1 5.5 V_tilde 0.1 g_Ca_T m 3 h V E_Ca 1 1 0.15 V_tilde 50 x_Ca alpha tau_x_Ca g_Ca_L x_Ca V E_Ca alpha_n 1 n beta_n n alpha lamda 0.01 55 V_tilde 55 V_tilde 10 1 0.125 45 V_tilde 80 g_K n 4 V E_K 1 -4 0.125 3 425 -5 g_Ca_K Ca V E_K 0.5 Ca rho alpha K_c x_Ca E_Ca V Ca g_Cl V E_Cl