Supplemental TableS1_FigureS1.docx

We found the significant SAI in both cortical broad (motor map) and local (hotspot) areas of the FDI and APB hand muscles only when a conditioning stimulus was delivered to the MN, not to the UN. These results suggest that the SAI magnitude may depend on anatomical proximity rather than homotopic interactions between the nerve-muscle relationship, which may contribute to the synergistic coordination of muscles in response to afferent sensory inputs.