Shelby Thompson

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The current experiment suggests that the speed/accuracy tradeoff is composed of two classes of constraints, effector and task. We examined the effects of movement distance, target size, orientation of the movement in the workspace, and C-D gain on the kinematics of discrete pointing movements made with computer mouse. It was found that target size(More)
Modern tools often separate the visual and physical aspects of operation, requiring users to manipulate an instrument while viewing the results indirectly on a display. This can pose usability challenges particularly in applications, such as laparoscopic surgery, that require a high degree of movement precision. Magnification used to augment the view and,(More)
This study examined the impact of movement scale and joint set on the trajectories of rapid pointing movement made with a mouse. Participants manipulated a mouse to point a cursor to targets on a display of varying size and distance. The mouse movement was scaled independently of the display size by varying the control gain. Large-scale movements involving(More)
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