Journal
CELL REPORTS
Volume 17, Issue 11, Pages 2891-2900Publisher
CELL PRESS
DOI: 10.1016/j.celrep.2016.11.009
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Funding
- I-CORE Program of the Planning and Budgeting Committee
- Israel Science Foundation [51/11, 1771/13, 2043/13]
- Human Frontiers Science Project (HFSP) Career Development Award [CDA00078/2011-C]
- Yosef Sagol Scholarship for Neuroscience Research
- Israeli Presidential Honorary Scholarship for Neuroscience Research
- Sagol School of Neuroscience fellowship
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Physical practice with one hand results in performance gains of the other (un-practiced) hand, yet the role of sensory feedback and underlying neurophysiology is unclear. Healthy subjects learned sequences of finger movements by physical training with their right hand while receiving real-time movement-based visual feedback via 3D virtual reality devices as if their immobile left hand was training. This manipulation resulted in significantly enhanced performance gain with the immobile hand, which was further increased when left-hand fingers were yoked to passively follow right-hand voluntary movements. Neuroimaging data show that, during training with manipulated visual feedback, activity in the left and right superior parietal lobule and their degree of coupling with motor and visual cortex, respectively, correlate with subsequent left-hand performance gain. These results point to a neural network subserving short-term motor skill learning and may have implications for developing new approaches for learning and rehabilitation in patients with unilateral motor deficits.
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