Figure 6From: Intraoperative electrocortical stimulation of Brodman area 4: a 10-year analysis of 255 casesIllustrative case of uneventful MCS monitoring (Group A) in a patient with a right frontal metastasis. t0 = time of first stimulation; ΔtX = onset of potential change; Δtend = end of tumor resection/last stimulation before dura closure; recordings from thenar muscle.Back to article page