Flexible cortical control of task-specific muscle synergies.

@article{Nazarpour2012FlexibleCC,
  title={Flexible cortical control of task-specific muscle synergies.},
  author={Kianoush Nazarpour and Amy Barnard and Andrew Jackson},
  journal={The Journal of neuroscience : the official journal of the Society for Neuroscience},
  year={2012},
  volume={32 36},
  pages={12349-60}
}
Correlation structure in the activity of muscles across movements is often interpreted as evidence for low-level, hardwired constraints on upper-limb function. However, muscle synergies may also emerge from optimal strategies to achieve high-level task goals within a redundant control space. To distinguish these contrasting interpretations, we examined the structure of muscle variability during operation of a myoelectric interface in which task constraints were dissociated from natural limb… CONTINUE READING
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