Appendix 2—figure 34. The nulleclines ($\dot{w}=0$ red dash-dot lines, and $\dot{v}=0$ green dash lines) and stochastic trajectories (black lines) under different values of $I$, $J$ and ${\alpha }_1$ in FHN model.

(A, E) $I=0.015$, $J=0.017$, as in Appendix 2—figure 33D. (B, F) $I=0.0158$, $J=0.017$, as in Appendix 2—figure 33E. (C, G) $I=0.06$, $J=0.017$, as in Appendix 2—figure 33F. (D, H) $I=0.017$, $J=0.017$, as in Appendix 2—figure 33B.

DOI: http://dx.doi.org/10.7554/eLife.22772.076