Figure 4
From: Physiological synaptic signals initiate sequential spikes at soma of cortical pyramidal neurons
Spike thresholds and refractory periods induced by steady-state pulses (50 ms) are lower at the soma than the axon, which simulates somatic spikes in origin. A) Somatic spike thresholds appear lower at the soma (red trace) than axon (blue). B) shows somatic spike threshold (red bar) vs. axonal one (blue; asterisk, p < 0.05; n = 12). C) Somatic spike refractory periods appear shorter at the soma (red trace) than axon (blue). D) Somatic spike RPs (red bar) are shorter than axonal ones (blue; p < 0.05; n = 9).