[36] Muir RB, Lemon RN. Corticospinal neurons with a special role in precision grip[J]. Brain Res, 1983, 261(2):312-316.
[37] Murphy JT, Kwan MC, Mackay WA, et al. Spatial organization of precentral cortex in awake primates. Ⅲ.Input-output coupling[J]. J Neurophysiol, 1978, 41(5): 1132-1139.
[38] Musallam S, Corneil BD, Greger B, et al. Cognitive control signals for neural prosthetics[J]. Science, 2004,305(5681): 258-262.