Motor learning of novel dynamics is not represented in a single global coordinate system: evaluation of mixed coordinate representations and local learning

@inproceedings{Berniker2014MotorLO,
  title={Motor learning of novel dynamics is not represented in a single global coordinate system: evaluation of mixed coordinate representations and local learning},
  author={Max Berniker and David W. Franklin and J. Randall Flanagan and Daniel M. Wolpert and Konrad Paul Kording},
  booktitle={Journal of neurophysiology},
  year={2014}
}
Successful motor performance requires the ability to adapt motor commands to task dynamics. A central question in movement neuroscience is how these dynamics are represented. Although it is widely assumed that dynamics (e.g., force fields) are represented in intrinsic, joint-based coordinates (Shadmehr R, Mussa-Ivaldi FA. J Neurosci 14: 3208-3224, 1994), recent evidence has questioned this proposal. Here we reexamine the representation of dynamics in two experiments. By testing generalization… CONTINUE READING

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