Subthreshold Periodic Signal Detection by Bounded Noise-Induced Resonance in the FitzHugh–Nagumo Neuron

Figure 6

The potential mechanism analyses of HF bounded noise. and . (a) Time series of of FHN neuron model separately or simultaneously subjected to LF signal, regular HF signal, and irregular HF signal during one cycle of LF signal denoted by the dotted line. (b) The steady-state probability distribution (SPD) as a function of for different .

(a)

(b)