8Umphred DA. Neurological rehabilitation [ M ]. Louis : Mosby - year Book lnc, 1995:803 - 827.
9Spencer RMC, Zelaznik HN, Diedrichsen J, et al. Disrupted timing of discontinuous but not continuous movements by cerebellar lesions [ J ] .Science,2003,300: 1437-1439.
10Walter JT, Alvina K, Womack MD, et al. Decrease in the precision of Purkinje cell pacemaking cause cerebellar dysfunction and ataxia [ J ] .Nat Neurosci, 2006,9: 389-397.
