Figure 2From: Frequency-dependent ERK phosphorylation in spinal neurons by electric stimulation of the sciatic nerve and the role in electrophysiological activityNumber of pERK-ir profiles in lamina I-II, III-IV and V-VI of ipsilateral spinal cord after electrical stimulation at the indicated frequencies (n = 4 in each group, *p < 0.01 compared with control, # p < 0.01, compared with 0.05 Hz).Back to article page