Figure 5:

a) Intraoperative view status post left temporoparietooccipital craniotomy with grid placement. b) Scout view, demonstrating placement of the monitoring grids. c) Intraoperative view status post topectomy of the area of encephalomalacia along with subpial placement of the four 3391 depth electrodes. Note we place a plastic tether to limit further insertion of the electrodes, these are further attached to the bone edge with a dogbone plate to prevent electrode migration. d) Scout view showing final placement of depth electrodes.