When Money Is Not Enough: Awareness, Success, and Variability in Motor Learning

@inproceedings{Manley2014WhenMI,
  title={When Money Is Not Enough: Awareness, Success, and Variability in Motor Learning},
  author={Harry Manley and Peter Dayan and J{\"o}rn Diedrichsen},
  booktitle={PloS one},
  year={2014}
}
When performing a skill such as throwing a dart, many different combinations of joint motions suffice to hit the target. The motor system adapts rapidly to reduce bias in the desired outcome (i.e., the first-order moment of the error); however, the essence of skill is to produce movements with less variability (i.e., to reduce the second-order moment). It is easy to see how feedback about success or failure could sculpt performance to achieve this aim. However, it is unclear whether the… CONTINUE READING

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