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. 2009 May;41(3):232–242. doi: 10.3200/JMBR.41.3.232-242

FIGURE 1.

FIGURE 1.

(A) Experimental setup with lever arm, feedback display, and three template movement trajectories, with specific time and amplitude requirements. (B) Accuracy in movement timing was quantified using absolute error in movement time (AE-MT). Accuracy in movement amplitude was quantified using the sum of absolute error in movement amplitude derived from the three reversal points in each movement trajectory (AE-SumAmp). AE-ampPeak1 = absolute value of amplitude error at the Peak1; AE-ampTrough = absolute value of amplitude error at the trough; AE-ampPeak2 = absolute value of amplitude error at the Peak2.