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. Author manuscript; available in PMC: 2008 Nov 23.
Published in final edited form as: J Neurophysiol. 2006 Nov 22;97(2):1786–1798. doi: 10.1152/jn.00150.2006

FIG. 4.

FIG. 4

Cross-correlations between discharge rate and hand velocity components (A) and EMG signals (B). Peak strength of each correlation within the 0- to 150-ms range of lags was the basis for one of the components of the PD vector (C). PDM was actually constructed from more muscles than the 3 that can be conveniently displayed.