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. 2014 Jun 23;8:63. doi: 10.3389/fncom.2014.00063

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Copyright © 2014 Kuppuswamy and Harris.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Dimensionality analysis of via-point tasks. (A) A set of via-points were specified on a circle of radius 0.353 m centered on the target (0.5, 0.5) for a reaching movement from the initial position (origin); (B) Polar plot of the variation in the dimensionality performance index against orientation of via-point with respect to origin for the two kinds of tested synergies composed of Legendre polynomial (blue) and Fourier bases (red). The minimum value of 0 is located exactly along the straight line linking origin and target for both kinds of synergies.