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. 2019 Jan 28;10:41. doi: 10.3389/fpsyg.2019.00041

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Copyright © 2019 Krüger and Hermsdörfer.

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) and the copyright owner(s) 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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Spatial and temporal movement characteristics. (A) The group averages (±SE) of path length (horizontal and vertical direction, in mm) are displayed for the three experimental conditions. Path length was significantly increased under extrinsic uncertainty as compared to the other two conditions. (B) Average overall movement duration and duration of deceleration are displayed. Again, the mean ± SE are plotted. Overall movement duration was significantly increased under extrinsic uncertainty, which was related to the significantly increased deceleration duration in this condition. Note that although the proportion of time spent after peak velocity was not statistically different between experimental conditions; ^∗∗p < 0.01.