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. 2017 Dec 8;4(6):ENEURO.0200-17.2017. doi: 10.1523/ENEURO.0200-17.2017

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Copyright © 2017 Hanakawa et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license, which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.

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Figure 2. — Behavioral results in healthy participants. A, Accuracy, when averaged across healthy participants (n = 46), monotonically declined in all movement (MOV), imagery (IMA), and calculation (CAL) tasks as the task rate increased. B, Sigmoid fitting (solid line) of raw (filled gray circles) accuracy data yielded the base-accuracy (A_base) and agility (F_max) parameters for the calculation task from a representative healthy participant. The inflection point (i) corresponded to the F_max at which accuracy fell to the midpoint between A_base and A_chance (0.2). Data from some participants had to be excluded from the fitting analysis due to low accuracy and other reasons (Extended Data Fig. 2-1). C, F_max did not significantly differ between the tasks, but A_base of IMA was lower than that of MOV and marginally lower than that of CAL. Error bars: SEM, *p < 0.0.5.