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. 2013 Jan 24;8(1):e54925. doi: 10.1371/journal.pone.0054925

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© 2013 Wilke et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(A) Feedback trials. The mean motor pointing direction in feedback trials (mean ± standard error) is plotted as a function of the visual manipulation, with 0° representing the rightward direction and 90° representing the anterior direction. Subjects showed no systematic online correction of their movement trajectories when presented with deviating visual feedback. (B) Perceptual probe trials. The mean motor pointing direction in perceptual probe trials (mean ± standard error) is plotted as a function of the visual manipulation applied in the preceding feedback trials. Subjects adjusted their motor performance in a manner which compensated for the recalibrated visual movement consequences (compare Figure 3C). Positive angles denote counterclockwise rotations. For the density distribution of the motor pointing direction in space, compare Figure S2.