Spinal stretch reflexes support efficient hand control

doi:10.1038/s41593-019-0336-0

. 2019 Apr;22(4):529-533.

doi: 10.1038/s41593-019-0336-0. Epub 2019 Feb 11.

Spinal stretch reflexes support efficient hand control

Jeffrey Weiler^{1

2

3}, Paul L Gribble^{4

5

6}, J Andrew Pruszynski^{7

8

9

10}

Affiliations

¹ Brain and Mind Institute, Western University, London, Ontario, Canada. jeffweilerphd@gmail.com.
² Department of Psychology, Western University, London, Ontario, Canada. jeffweilerphd@gmail.com.
³ Department of Physiology and Pharmacology, Western University, London, Ontario, Canada. jeffweilerphd@gmail.com.
⁴ Brain and Mind Institute, Western University, London, Ontario, Canada.
⁵ Department of Psychology, Western University, London, Ontario, Canada.
⁶ Department of Physiology and Pharmacology, Western University, London, Ontario, Canada.
⁷ Brain and Mind Institute, Western University, London, Ontario, Canada. andrew.pruszynski@uwo.ca.
⁸ Department of Psychology, Western University, London, Ontario, Canada. andrew.pruszynski@uwo.ca.
⁹ Department of Physiology and Pharmacology, Western University, London, Ontario, Canada. andrew.pruszynski@uwo.ca.
¹⁰ Robarts Research Institute, Western University, London, Ontario, Canada. andrew.pruszynski@uwo.ca.

PMID: 30742115
DOI: 10.1038/s41593-019-0336-0

Spinal stretch reflexes support efficient hand control

Jeffrey Weiler et al. Nat Neurosci. 2019 Apr.

. 2019 Apr;22(4):529-533.

doi: 10.1038/s41593-019-0336-0. Epub 2019 Feb 11.

Authors

Jeffrey Weiler^{1

2

3}, Paul L Gribble^{4

5

6}, J Andrew Pruszynski^{7

8

9

10}

Affiliations

¹ Brain and Mind Institute, Western University, London, Ontario, Canada. jeffweilerphd@gmail.com.
² Department of Psychology, Western University, London, Ontario, Canada. jeffweilerphd@gmail.com.
³ Department of Physiology and Pharmacology, Western University, London, Ontario, Canada. jeffweilerphd@gmail.com.
⁴ Brain and Mind Institute, Western University, London, Ontario, Canada.
⁵ Department of Psychology, Western University, London, Ontario, Canada.
⁶ Department of Physiology and Pharmacology, Western University, London, Ontario, Canada.
⁷ Brain and Mind Institute, Western University, London, Ontario, Canada. andrew.pruszynski@uwo.ca.
⁸ Department of Psychology, Western University, London, Ontario, Canada. andrew.pruszynski@uwo.ca.
⁹ Department of Physiology and Pharmacology, Western University, London, Ontario, Canada. andrew.pruszynski@uwo.ca.
¹⁰ Robarts Research Institute, Western University, London, Ontario, Canada. andrew.pruszynski@uwo.ca.

PMID: 30742115
DOI: 10.1038/s41593-019-0336-0

Abstract

Motor behaviour is most efficiently controlled by correcting only disturbances that influence task success. It is currently thought that such control is computed within a transcortical feedback pathway. Here we show that, for postural hand control, even the fastest spinal feedback pathway can produce efficient corrective responses, forcing a re-evaluation of how the nervous system derives the control laws that support motor behavior.

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References

1. Todorov, E. Nat. Neurosci. 7, 907–915 (2004). - DOI
1. Cole, K. J., Gracco, V. L. & Abbs, J. H. Exp. Brain Res. 56, 582–585 (1984). - DOI
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1. Evarts, E. V. & Tanji, J. J. Neurophysiol. 39, 1069–1080 (1976). - DOI

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[1] Todorov, E. Nat. Neurosci. 7, 907–915 (2004). - DOI

[2] Todorov, E. Nat. Neurosci. 7, 907–915 (2004). - DOI

[3] Cole, K. J., Gracco, V. L. & Abbs, J. H. Exp. Brain Res. 56, 582–585 (1984). - DOI

[4] Cole, K. J., Gracco, V. L. & Abbs, J. H. Exp. Brain Res. 56, 582–585 (1984). - DOI

[5] Scott, S. H. Trends Neurosci. 39, 512–526 (2016). - DOI

[6] Scott, S. H. Trends Neurosci. 39, 512–526 (2016). - DOI

[7] Cheney, P. D. & Fetz, E. E. J. Physiol. (Lond.) 349, 249–272 (1984). - DOI

[8] Cheney, P. D. & Fetz, E. E. J. Physiol. (Lond.) 349, 249–272 (1984). - DOI

[9] Evarts, E. V. & Tanji, J. J. Neurophysiol. 39, 1069–1080 (1976). - DOI

[10] Evarts, E. V. & Tanji, J. J. Neurophysiol. 39, 1069–1080 (1976). - DOI

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Spinal stretch reflexes support efficient hand control

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Spinal stretch reflexes support efficient hand control

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