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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. 3.

FIG. 3

Simultaneously recorded neuronal, hand velocity, and EMG signals recorded as the monkey made a sequence of reaches in 5 different directions within a single workspace. Typical data files were several times this length. These signals were used to calculate the muscle- (PDM) and hand-space–preferred direction (PDH) vectors described below.