Figure 4.

Properties of transients and attractors in a 150-cells Model I network. Each point is averaged over 8 matrices of connectivity, and 1000 initial conditions for each matrix. (A,B) Properties of transients. (C,D) properties of attractors. Thick black curve (inset in A drawn to different scale) is the basic case when the threshold θ =0 and the refractory period η = 0. In the top row (A,C) different shades correspond to changes in the fraction of the cells with refractory period 2 (η). In the second row (B,D) different shades correspond to changing the fraction of the cells with threshold 2 (η). For each row changing of shade of thin lines from black to light grey corresponds, respectively, to η or η equaling 0.2, 0.5, 0.7, 1.