[31] Li CS, Padoa-Schioppa C, Bizzi E.Neuronal correlates of motor performance and motor learning in the primary motor cortex of monkeys adapting to an external forcefield[J]. Neuron, 2001, 30(2): 593-607.
[32] Maier MA, Bennett KM, Hepp-Reymond MC, et al.Contribution of the monkey corticomotoneuronal system to the control of force in precision grip[J]. J Neurophysiol, 1993, 69(3): 772-785.
