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. Author manuscript; available in PMC: 2013 Feb 8.
Published in final edited form as: IEEE Trans Biomed Eng. 2012 Apr 16;59(6):1787–1796. doi: 10.1109/TBME.2012.2194713

Fig. 5.

Fig. 5

(a) Recommended TDS command positions in the mouth for four directional commands and the tongue resting position as the neutral command. (b) A sample set of training results displayed in the 3-D virtual PCA space.