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. Author manuscript; available in PMC: 2013 Apr 29.
Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2008 Oct;16(5):485–496. doi: 10.1109/TNSRE.2008.2006216

Fig. 7.

Fig. 7

Plot of normalized command source performance by target direction (left column) and overall average, single direction, and diagonal performance (right column). In the left column, ideal omni-directional performance is illustrated as an octagon, with departures representing decreased performance in that particular direction. In the right column, pair-wise comparisons across command sources of overall, on axis and diagonal performance are noted with brackets. Those comparisons that are significantly different (p<0.05) within the marked groups are denoted with a star