G_Na_fast_GP  	500 1500 3
G_Na_slow_GP   	0.1 1.9 3
G_Kv3_GP   	40  140 3
G_Kv2_GP   	35  105 3
G_Kv4_fast_GP   160 480 3
G_Ca_HVA_GP     0 20 3
G_K_ahp_GP      0 20 3
G_h_HCN_GP      0.25 1.25 3
cip		-200 100 2
