Figure 6

Comparison of self-reported NRS values of pain sensation when a stimulation current 1.5 times as large as the standard stimulation current was applied: (a) pain intensity, (b) sharpness, (c) dullness.

Comparison of self-reported NRS values of pain sensation when a stimulation current 1.5 times as large as the standard stimulation current was applied: (a) pain intensity, (b) sharpness, (c) dullness.