Table 1.

Reaching errors at movement end point and peak velocity in Rotation Generalization Protocol

	Targets [start position-target relative to trained target direction (°)]
Reach Training	S1-0	S1-45 CW	S1-45 CCW	S1-90 CCW	S2-0	S2-45 CCW	S2-90 CCW
End-point angular errors, °
Aligned cursor	−4.7 (1.8)	−6.7 (2.7)	0.0 (2.1)	6.0 (3.0)	−2.2 (2.1)	4.1 (1.8)	5.7 (2.0)
Rotated cursor	−18.4 (2.2)	−15.7 (2.5)	−10.5 (2.1)	3.2 (2.2)	−14.8 (1.9)	−5.7 (1.6)	2.9 (1.9)
Errors at peak velocity, °
Aligned cursor	−5.5 (2.6)	−2.6 (3.0)	−5.9 (3.6)	2.0 (5.0)	−1.3 (5.5)	0.7 (3.3)	10.1 (4.5)
Rotated cursor	−21.4 (3.4)	−14.3 (3.5)	−14.9 (3.8)	0.8 (3.7)	−14.3 (3.1)	10.6 (3.1)	8.8 (2.6)

Values are mean (SE) reaching errors at movement end point and peak velocity after reach training with an aligned cursor or misaligned visual feedback of the hand. Angular errors in the Rotation Generalization Protocol are reported with respect to target position [positive value = error to the right (CW) of the target and negative value = error to the left (CCW) of the target]. Values are reported for each target, after subjects trained with the visual cursor (i.e., performance is shown in the first no-cursor reaching task completed).