Assessment of C Fibers Evoked Potentials in Healthy Subjects by Nd : YAP Laser

Figure 5

On the left side, the grand average of N2 P2 waves was obtained by right foot stimulation. On the right side, the corresponding topographical maps are represented. The grand average in the lower part of the figure, for the C-modality of stimulation, shows to distinct (early and late) negative/positive complexes. The topographical maps refer to the recorded N2-P2 waves. Upper: a-delta modality of stimulation. Lower: C-modality of stimulation.

(a)

(b)