135.0 21 Cerebellar Purkinje Low-threshold potassium channels and a low-threshold calcium channel regulate Ca2+ spike firing in the dendrites of cerebellar Purkinje neurons: a modeling study. Brain Res., 2001, 891, 106-15 8.5/(1+exp((v-8)/(-12.5))) 35/(1+exp((v+74)/(14.5)))