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. Author manuscript; available in PMC: 2011 Mar 1.
Published in final edited form as: Comput Methods Biomech Biomed Engin. 2010;13(4):493–503. doi: 10.1080/10255842.2010.484809

Figure 4.

Figure 4

Synthetic reconstructions of the effects of PC1 and PC2 added to the mean velocity field of the 8 subjects. Images consist of: the mean velocity field (panel 5), models composed by adding +/− 1SD of PC 1 (panels 4 and 6) or PC2 (panels 2 and 8), and all combinations (four corner panels) for the tongue-plus-floor data. The internal tongue colors reflect the same colormap as in Figure 3. Errors can be seen near the mental sympysis in the form of arrows of exceptional length (top row) or odd direction (bottom row). Jaw motion is an inherent part of these tongue motions.