Figure 12.

A bimodal distribution in I_app together with unimodal distributions in g_syn and W_jump as shown in (A) yields a unimodal distribution in the firing rate [dashed curve in (B)]. The mean-field equations give a good estimate of this distribution [solid curve in (B)]. Simulations are for network of 1000 neurons. parameter given in Table 1 except I, g, and W_jump. These are distributed with σ_w = 50, 〈W_jump〉 = 200, σ_g = 50, 〈g_syn〉 = 200, m = 0.5, 〈I_{app, 1}〉 = 7500, σ_{I, 1} = 200, 〈I_{app, 2}〉 = 5500, σ_{I, 2} = 500. Other combinations of bimodal and unimodal parameter distributions may yield bimodal firing rate distributions. Note that this is different than the situation shown in Figure 9, where a single bimodal source of heterogeneity yielded a bimodal firing rate distribution.