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. 2011 Mar 8;6(3):e17675. doi: 10.1371/journal.pone.0017675

Table 3. Mean movement parameters extracted from the movement tracker.

Action/Parameter (ms) Movement onset Movement duration Angle preshaping
Orientation
Grasping 550 610 >176
Pointing 576 565 NA
Luminance
Grasping 517 566 >113
Pointing 513 525 NA

Movement onset times (ms) is the time between the go-cue (onset of the first bar) and the actual initiation of movement. Duration of movement (ms) is defined as the time between movement onset and movement offset (when the object on screen is grasped or pointed at). Angle preshaping time (ms) is the time point where a significant difference is observed in thumb-index angle between 45 and −45 degree target bars.