Figure 8: Illustration of the display of intracranial recordings using CARTOOL. Top: recordings from depth electrodes: Left: display of the electrode positions. Middle: waveform display of the beginning of a seizure. Right: potential mapped on the electrodes. Bottom: recordings from a 8 × 8 subdural grid. Left: display of the grid position on the patient’s MRI. Middle: Traces from the 64 electrodes. Right: potential mapped on the grid for one moment in time.