Motor adaptation during redundant tasks with the wrist

This study analyzes motor adaptation during a redundant tasks with the wrist. The goal is threefold: (i) understanding if motor adaptation also occurs when CNS is involved in the solution of the redundancy problem; (ii) addressing whether motor strategies used to solve redundancy (i.e Donders'...

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Bibliographic Details
Main Authors: Formica, D., Campolo, D., Taffoni, F., Keller, F., Guglielmelli, E.
Format: Conference Proceeding
Language:English
Subjects:
Protocols
Redundancy
Robots
Trajectory
Vectors
Visualization
Wrist
Online Access:Request full text
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Summary:This study analyzes motor adaptation during a redundant tasks with the wrist. The goal is threefold: (i) understanding if motor adaptation also occurs when CNS is involved in the solution of the redundancy problem; (ii) addressing whether motor strategies used to solve redundancy (i.e Donders' law) are disrupted or not during adaptation; (iii) verifying if motor strategies remain the same during adaptation and washout or they themselves adapt. First of all, our data confirm that CNS adapts its movements to the perturbation also when it is committed in the execution of a redundant task. Secondly, we showed that motor strategies used to solve redundancy (i.e Donders' law) are not disrupted during adaptation, since absolute values of thickness during the whole protocol remain in the range of physiological values. Lastly, analysis of the curvature of Donders' surfaces suggests that motor strategies, such as Donders' law, remain invariant during motor adaptation in redundant tasks.
ISSN:1094-687X
1558-4615
2694-0604
DOI:10.1109/IEMBS.2011.6091005