Figure 7.

(A) Coherence vs. frequency f. (b) $\frac{1}{\tau }$F^(τ)_{x → y} (red), $\frac{1}{\tau }$F^(τ)_{y → x} (cyan), $\frac{1}{\tau }$F^(τ)_x,y (red dash), $\frac{1}{\tau }$F^(τ)_{x · y} (cyan dash) for voltage time series and $\frac{1}{\tau }$F_x,y computed through Equation (25) (black horizontal line) vs. sampling interval length τ. The time series are generated by the I&F network whose topology is shown in Figure 1A with parameters ν = 1 ms⁻¹, s = 0.02, λ = 0.0177. Note that we have subtracted the estimation bias of GC from the estimate of GC values for (B). The procedure of removing biases is described in Appendix C in Supplementary Material.