Figure 6. Effects of maximum conductance G _MK on the response characteristics of RP at soma (RP _s) and SP.

The repolarizing conductance G _MK is the Ca²⁺- and voltage-dependent potassium conductance located at the inner dendrite and soma (the corresponding current I _K is shown in Fig. 3). (A) The height of SP (solid lines) increases, while that of RP _s (dashed lines) decreases with G _MK respectively. (B) The ratio of amplitudes SP/RP _s increases linearly with G _MK at all uptakes. (C) The ratio of half-rising times of SP and RP _s increases with G _MK at low uptakes and becomes close to 1 at intermediate and high uptakes. (D) The ratio of the half-falling time of SP and RP _s decreases with G _MK at low uptakes and becomes close to 1 at intermediate and high uptakes. The vertical dotted lines indicate the reference value G _MK  =  1.6 nS given in Table 3.