50.0 0 Neocortical L5PC Stepwise repolarization from Ca2+ plateaus in neocortical pyramidal cells: evidence for nonhomogeneous distribution of HVA Ca2+ channels in dendrites. J. Neurosci., 1993, 13, 4609-21 (0.055*(-27-v))/(exp((-27-v)/3.8) - 1) (0.94*exp((-75-v)/17)) (0.000457*exp((-13-v)/50)) (0.0065/(exp((-v-15)/28)+1))