Controlling human upright posture: velocity information is more accurate than position or acceleration.

@article{Jeka2004ControllingHU,
  title={Controlling human upright posture: velocity information is more accurate than position or acceleration.},
  author={John J. Jeka and Tim Kiemel and Robert G Creath and F. B. Horak and Robert J. Peterka},
  journal={Journal of neurophysiology},
  year={2004},
  volume={92 4},
  pages={2368-79}
}
The problem of how the nervous system fuses sensory information from multiple modalities for upright stance control remains largely unsolved. It is well established that the visual, vestibular, and somatosensory modalities provide position and rate (e.g., velocity, acceleration) information for estimation of body dynamics. However, it is unknown whether any particular property dominates when multisensory information is fused. Our recent stochastic analysis of postural sway during quiet stance… CONTINUE READING

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