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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/31275

Title: The Role of Retinal Limb Position on the Use of Visual Feedback during Manual Aiming Movements
Authors: Kennedy, Andrew
Advisor: Tremblay, Luc
Department: Exercise Sciences
Keywords: motor control
vision
aiming movements
Issue Date: 12-Dec-2011
Abstract: Vision is important for the control of upper limb movements (Woodworth, 1899). How and when vision is used during a limb movement continues to be debated. In this thesis, I examined the use of visual feedback as a function of retinal limb position. Individuals made rapid upper limb aiming movements to a target location and vision was provided when the limb was at varying degrees of retinal eccentricity. The temporal characteristics, endpoint accuracy and precision, as well as the spatial variability of the limb trajectories were recorded and analyzed. No relationship was observed between retinal limb positions and the use of visual feedback during the movements. These results suggest that the use of vision during limb movements is not directly tied to the neuroanatomy of the eye and challenges continuous models of upper limb control.
URI: http://hdl.handle.net/1807/31275
Appears in Collections:Master

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