[11] Fetz EE, Cheney PD. Postspike facilitation of forelimb muscle activity by primate corticomotoneuronal cells[J]. J Neurophysiol, 1980, 44(4): 751-772.
[12] Fetz EE, Finocchio DV. Correlations between activity of motor cortex neurons and arm muscles during operantly conditioned response patterns[J]. Exp Brain Res, 1975, 23(3): 217-240.
[13] Georgopoulos AP, Ashe J, Smyrnis N, et al. The motor cortex and the coding of force[J]. Science, 1992,256(5064): 1692-1695.
