Figure 3
From: Neuronal avalanches and time-frequency representations in stimulus-evoked activity
Time-frequency representations of rest and stimulus-evoked activities. “ERF time-frequency power” (A) and “total power” spectra across time (D) averaged over sensors (stimulus-evoked, left panel; rest, right panel). (B,E) Temporal profile of the summation over frequencies (1–80 Hz) and sensors of the relevant power-spectra across time (insets: theta 4–8 Hz: orange; alpha 8–13 Hz: pink; beta 13–30 Hz: violet; gamma 30–80 Hz: light blue; solid line – stimulus-evoked, broken line - rest). (C,F) Topographies of the summation over frequencies (1–80 Hz) and time interval (indicated above) of the relevant power-spectra across time. In (C) the colorbar of the 70–150 msec interval (corresponding to the most pronounced evoked-response) is different from those of the other topographies. The “total power”, averaging the time-frequency decomposition obtained for each trial (aligned to t = 0), reveals a temporal profile similar to the profile obtained from neuronal avalanche analysis.
