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Servo Action in Human Voluntary Movement

Abstract

Muscular movements are under the control of a servo similar in many ways to those used in engineering control systems but with a subtlety of design not found in man-made servo mechanisms—including an automatic gain compensation for altered load which must be useful, for example, for adjusting to reduced g on the Moon.

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References

  1. Merton, P. A., in The Spinal Cord (edit. by Malcolm, J. L., and Gray, J. A. B.), 247 (Churchill, London, 1953).

    Google Scholar 

  2. Eldred, E., Granit, R., and Merton, P. A., J. Physiol., 122, 498 (1953).

    Article  CAS  Google Scholar 

  3. Matthews, P. B. C., Physiol. Rev., 44, 219 (1964).

    Article  CAS  Google Scholar 

  4. Phillips, C. G., Proc. Roy. Soc., B, 173, 141 (1969).

    Article  ADS  CAS  Google Scholar 

  5. Marsden, C. D., Merton, P. A., and Morton, H. B., J. Physiol., 216, 21 P (1971).

    Article  Google Scholar 

  6. Hick, W. E., Quart. J. Exp. Psychol., 4, 11 (1952).

    Article  Google Scholar 

  7. Hammond, P. H., in Proc. Third Int. Conf. on Medical Electronics, 190 (Institution of Electrical Engineers, London, 1960).

    Google Scholar 

  8. Merton, P. A., J. Physiol., 114, 183 (1951).

    Article  CAS  Google Scholar 

  9. Granit, R., Holmgren, B., and Merton, P. A., J. Physiol., 130, 213 (1955).

    Article  CAS  Google Scholar 

  10. Granit, R., The Basis of Motor Control (Academic Press, London and New York, 1970).

    Google Scholar 

  11. Vallbo, Ă…. B., J. Physiol., 218, 405 (1971).

    Article  CAS  Google Scholar 

  12. Marsden, C. D., Merton, P. A., and Morton, H. B., J. Physiol., 222, 32 P (1972).

    Google Scholar 

  13. Merton, P. A., Brit. Med. Bull., 12, 219 (1956).

    Article  CAS  Google Scholar 

  14. Phillips, C. G., Powell, T. P. S., and Wiesendanger, M., J. Physiol., 217, 419 (1971).

    Article  CAS  Google Scholar 

  15. Carmichael, E. A., Proc. Roy. Soc. Med., 40, 553 (1947).

    CAS  PubMed  Google Scholar 

  16. Dawson, G. D., J. Neurol. Neurosurg. Psychiat., 10, 141 (1947).

    Article  CAS  Google Scholar 

  17. Halliday, A. M., Brain, 90, 241 (1967).

    Article  CAS  Google Scholar 

  18. Lance, J. W., and Adams, R. D., Brain, 86, 111 (1963).

    Article  CAS  Google Scholar 

  19. Kugelberg, E., and Widén, L., EEG Clin. Neurophysiol., 6, 503 (1954).

    Article  CAS  Google Scholar 

Download references

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MARSDEN, C., MERTON, P. & MORTON, H. Servo Action in Human Voluntary Movement. Nature 238, 140–143 (1972). https://doi.org/10.1038/238140a0

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