Fig. 5.
Transcranial electrical stimulation and hind limb motor-evoked potential studies. Motor cortex stimulation and their responses were recorded in hind limb muscle 8 weeks after the transplantation in anesthetized rats (A). On stimulation, there was no amplitude seen in the control rats (B); however, the representative electromyographic amplitude in the transplanted rats (5×105) is shown by the arrow (C). Amplitude varied based on regeneration in the different groups. Statistical analyses showed significant differences (p<0.05) in the 5 and 10×105 cell groups compared with the control group; however, the other groups showed no significant differences in the mean amplitude. The 5 and 10×105 cell groups elicited a significant response compared with the >10×105 cell group (D).