Treffer: BlueRecording simulates resting-state EEG in the rat SSCx model.

A. Rat head model. i: 3D view of the surface-mesh of the rat head model. ii: Comparison between the FEM model brain (green) and the BBP somatosensory cortex model. Locations of EEG electrodes over the forelimb region (dark red) and hindlimb region (blue) and ECoG electrode over the forelimb region (bright red) marked (not to scale). iii. Somatosensory cortex model, with approximate electrode locations as in ii. B: Top down view of mean firing rate over the somatosensory cortex at i. 3200 ms ii. 3250 ms iii. 3300 ms iv. 3350 ms v 3400 ms vi. 3500 ms. C: i: Raster plot of firing over the entire SSCx. Arrows indicate snapshots in panel B. Red arrow indicates start of window highlighted in panels C.iii and C.iv, and Fig 5 . ii: EEG and ECoG recorded over the forelimb region. Green and red lines as in C.i. We note that due to baseline current noise injection, the signal is nonzero even in the absence of spiking activity. As the time course of recovery from hyperpolarization at the single-cell is longer than that of the action potential, we observe that the extracellular signal peak is broader than the firing burst. iii. Contributions of different regions of SSCx to the EEG recorded in ii. iv: Contributions of different regions of SSCx to the ECoG recorded in ii.