This simple axon-soma model explained how the rapid rising phase in the somatic spike is derived from the propagated axon initiated spike, and how the somatic spike threshold variance is affected by spike propagation.
Region(s) or Organism(s): Neocortex
Simulation Environment: NEURON
Yu Y, Shu Y, McCormick DA. (2008). Cortical action potential backpropagation explains spike threshold variability and rapid-onset kinetics. The Journal of neuroscience : the official journal of the Society for Neuroscience. 28 [PubMed]