From: Dermatomal somatosensory evoked potentials and cortical somatosensory evoked potentials assessment in congenital scoliosis
Represents
nerve roots
Stimulation site
Recording site
International EEG 10-20 System
Electrode Placement Method
C6—T1
Median nerve of the wrist
C3’C4’—Fz
C8—T1
Ulnar nerve of the wrist
L4—S2
Tibial nerve of the medial ankle
Cz’ — Fz