Spontaneous Excitation Patterns Computed for Axons with Injury-like Impairments of Sodium Channels and Na/K Pumps
Figure 7
Noise induces or modifies bursting.
(A) Without noise, bursts are as shown in Figure 6B but here, under the influence of noise (σ = 0.1 µA/cm2), the bursting periods are random. Right (here and in B): an expanded section showing STOs induced by noise via coherence resonance. (B) Without noise the system is in the bistability regime as shown in Figure 6C, but here, noise (σ = 0.4 µA/cm2) causes Vm to randomly visit quiescent or repetitive firing states, hence producing noisy bursts.