Journal article
Motor-space coding in the central nervous system
Cold Spring Harbor Symposia on Quantitative Biology, v 55, pp 827-835
1990
PMID: 2132860
Abstract
The work presented in this paper is addressed to a motor-control hypothesis known as the “equilibrium-point hypothesis” (Feldman 1974; Bizzi et al. 1984; Hogan 1984). According to this hypothesis, the central nervous system (CNS) takes advantage of the mechanical properties of muscles for solving the complex computational problems related to the control and representation of limb posture and movement.
The equilibrium-point hypothesis is rooted in the observation that muscles are characterized by viscoelastic properties: In other words, when a motor nerve is activated by a train of impulses at a fixed frequency, the force produced by the innervated muscle depends on the length and rate of shortening of the muscle. Under static conditions, the tension developed by the muscle depends on its operating length in a way that is reminiscent of a spring: If we stretch the stimulated muscle, we measure a restoring force that depends on the amount of... [extract was created in absence of an abstract]
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Details
- Title
- Motor-space coding in the central nervous system
- Creators
- F. A MUSSA-IVALDI - Massachusetts Institute of TechnologyS. F GISZTER - Massachusetts Institute of TechnologyE BIZZI - Massachusetts Institute of Technology
- Publication Details
- Cold Spring Harbor Symposia on Quantitative Biology, v 55, pp 827-835
- Publisher
- Cold Spring Harbor Laboratory Press; Cold Spring Harbor, NY
- Number of pages
- 9
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Neurobiology and Anatomy
- Web of Science ID
- WOS:A1990HB91800077
- Scopus ID
- 2-s2.0-0025565492
- Other Identifier
- 991014878204504721
InCites Highlights
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- Web of Science research areas
- Neurosciences