CNS learns stable, accurate, and efficient movements using a simple algorithm

David W. Franklin, Etienne Burdet, Peng Tee Keng, Rieko Osu, Chee Meng Chew, Theodore E. Milner, Mitsuo Kawato

Research output: Contribution to journalArticle

180 Citations (Scopus)

Abstract

We propose a new model of motor learning to explain the exceptional dexterity and rapid adaptation to change, which characterize human motor control. It is based on the brain simultaneously optimizing stability, accuracy and efficiency. Formulated as a V-shaped learning function, it stipulates precisely how feedforward commands to individual muscles are adjusted based on error. Changes in muscle activation patterns recorded in experiments provide direct support for this control scheme. In simulated motor learning of novel environmental interactions, muscle activation, force and impedance evolved in a manner similar to humans, demonstrating its efficiency and plausibility. This model of motor learning offers new insights as to how the brain controls the complex musculoskeletal system and iteratively adjusts motor commands to improve motor skills with practice.

Original languageEnglish
Pages (from-to)11165-11173
Number of pages9
JournalJournal of Neuroscience
Volume28
Issue number44
DOIs
Publication statusPublished - 2008 Oct 29
Externally publishedYes

Fingerprint

Learning
Muscles
Efficiency
Musculoskeletal System
Motor Skills
Brain
Electric Impedance

Keywords

  • Computational algorithm
  • Impedance control
  • Internal model
  • Motor control
  • Motor learning
  • Muscle cocontraction
  • Stability
  • Stiffness

ASJC Scopus subject areas

  • Neuroscience(all)
  • Medicine(all)

Cite this

Franklin, D. W., Burdet, E., Keng, P. T., Osu, R., Chew, C. M., Milner, T. E., & Kawato, M. (2008). CNS learns stable, accurate, and efficient movements using a simple algorithm. Journal of Neuroscience, 28(44), 11165-11173. https://doi.org/10.1523/JNEUROSCI.3099-08.2008

CNS learns stable, accurate, and efficient movements using a simple algorithm. / Franklin, David W.; Burdet, Etienne; Keng, Peng Tee; Osu, Rieko; Chew, Chee Meng; Milner, Theodore E.; Kawato, Mitsuo.

In: Journal of Neuroscience, Vol. 28, No. 44, 29.10.2008, p. 11165-11173.

Research output: Contribution to journalArticle

Franklin, DW, Burdet, E, Keng, PT, Osu, R, Chew, CM, Milner, TE & Kawato, M 2008, 'CNS learns stable, accurate, and efficient movements using a simple algorithm', Journal of Neuroscience, vol. 28, no. 44, pp. 11165-11173. https://doi.org/10.1523/JNEUROSCI.3099-08.2008
Franklin, David W. ; Burdet, Etienne ; Keng, Peng Tee ; Osu, Rieko ; Chew, Chee Meng ; Milner, Theodore E. ; Kawato, Mitsuo. / CNS learns stable, accurate, and efficient movements using a simple algorithm. In: Journal of Neuroscience. 2008 ; Vol. 28, No. 44. pp. 11165-11173.
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