Figure 5.
Relative cluster size versus connectivity for κ values outside the window of excitability in the symmetrical Bernoulli lattice. Points show mean ± s.e.m. of 100 simulations for a lattice size of 25 × 25. (a) κmin = 0.76, the four lines represent initial perturbations of 1, 1.5, 2 and 2.5 and are shown in the same colour due to the proximity of the curves; (b) κmax = 5.2, the four lines represent initial perturbations of 1, 1.5, 2 and 2.5. The dark curve represents an initial perturbation of 1, perturbations of 1.5, 2 and 2.5 are shown in the same (lighter) colour due to the proximity of the curves; (c) κ = 10, the four lines represent initial perturbations of 1, 1.5, 2 and 2.5 on a graded scale from dark to light; (d) κ = 15, the four lines represent initial perturbations of 1, 1.5, 2 and 2.5 on a graded scale from dark to light.