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. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: Brain Cogn. 2008 Jun 16;69(1):30–38. doi: 10.1016/j.bandc.2008.05.002

Fig. 1.

Fig. 1

Experimental arrangement. Subjects were seated and facing a monitor with a digitizer tablet positioned on a table between the subject and the monitor. Vision of the entire arm was occluded by an opaque shield (dashed square) placed over the arm and digitizer. Subjects were required to make point-to-point drawing movements with an inkless pen between the start position and various targets displayed on the monitor. Visual feedback of the target, pen position, and movement trajectory were provided via the computer monitor during each trial.