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. Author manuscript; available in PMC: 2006 May 2.

Published in final edited form as: Exp Brain Res. 2005 Nov 16;169(4):496–506. doi: 10.1007/s00221-005-0163-2

Figure 4. — Evolution of forces during adaptation. (a) Correlation coefficient between forces ${\hat{f}}_{a}$ produced in the channel trials and forces f_a required for compensation of the field. Each dot indicates a channel trial (mean+/SD). The solid line is an exponential fit to the data. (b) Slope of the linear regression between ${\hat{f}}_{a}$ and f_a (Eq. 4). (c) Mean squared error between ${\hat{f}}_{a}$ and f_a . The dotted line indicates the expected difference when there is no compensation for the field, i.e., ${\hat{f}}_{a} = 0$ .