Figure 8
From: Intraoperative electrocortical stimulation of Brodman area 4: a 10-year analysis of 255 cases
Illustrative cases of abnormal MCS monitoring with irreversible potential changes (Group C). t0 = time of first stimulation; ΔtX = onset of potential change; Δtend = end of tumor resection/last stimulation before dura closure; I = recordings from thenar muscle; II = recordings from forearm flexors.