Stability Switches and Hopf Bifurcation in a Coupled FitzHugh-Nagumo Neural System with Multiple Delays

Figure 2

The one-dimensional bifurcation diagrams in the (a) (𝑐,𝑢₁)-plane and (b) (𝑐,𝑢₂)-plane for the fixed parameters 𝑎=0.33, 𝑏=1, and 𝛾=0.47.

(a)

(b)