Empirical data showing glucose-dependent beta-cell activation and coupled stochastic oscillators model results. Glucose-dependent activity (A), from left to right: 16 mM, 12 mM, and 7 mM, data from [21], size of giant component of correlation networks (B). Parameters used in model calculations: random regular network with N = 10² and k = 10, T = 10⁵, . Noise Σ = 0, 0.1, 3, 7. Threshold value for correlation networks was set to c₀ = 0.1.