Fig. S4.

Spectral analysis of model neuron. (A–C) Cross-, power, and coherence spectra of LIF neuron (Eq. S1) with $D_i=\mathrm{\hspace{0.17em}0.02}$, $\alpha =\mathrm{\hspace{0.17em}1.0}$, and $f_c=\mathrm{\hspace{0.17em}3.0}$. (D–F) Same analysis for $D_i=\mathrm{\hspace{0.17em}0.002}$, $\alpha =\mathrm{\hspace{0.17em}0.1}$, and $f_c=\mathrm{\hspace{0.17em}1.3}$. In each panel the respective spectra of the single trials (solid lines) and the synchronous responses (dotted lines) are shown for two different stimulus intensities $D_s=\mathrm{\hspace{0.17em}0.01}$ (“weak”) and $D_s=\mathrm{\hspace{0.17em}0.03}$ (“strong”). Cross- and power spectra are normalized to their average. Remaining parameters: $\mu =\mathrm{\hspace{0.17em}1.2}$, and width of box-kernel $d_{box}$ was chosen, such that the product of baseline firing rate and $d_{box}$ equals 0.2. Parameters were selected to qualitatively resemble experimental results in Fig. 5 of the main text. csd, cross-spectral densities; psd, power-spectral densities; rel, relative.