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The Bcm rule allows a spinal cord model to learn rhythmic movements

Kohler, Matthias ; Röhrbein, Florian ; Knoll, Alois ; Albu-Schäffer, Alin and Jörntell, Henrik LU (2023) In Biological Cybernetics 117(4-5). p.275-284
Abstract

Currently, it is accepted that animal locomotion is controlled by a central pattern generator in the spinal cord. Experiments and models show that rhythm generating neurons and genetically determined network properties could sustain oscillatory output activity suitable for locomotion. However, current central pattern generator models do not explain how a spinal cord circuitry, which has the same basic genetic plan across species, can adapt to control the different biomechanical properties and locomotion patterns existing in these species. Here we demonstrate that rhythmic and alternating movements in pendulum models can be learned by a monolayer spinal cord circuitry model using the Bienenstock–Cooper–Munro learning rule, which has been... (More)

Currently, it is accepted that animal locomotion is controlled by a central pattern generator in the spinal cord. Experiments and models show that rhythm generating neurons and genetically determined network properties could sustain oscillatory output activity suitable for locomotion. However, current central pattern generator models do not explain how a spinal cord circuitry, which has the same basic genetic plan across species, can adapt to control the different biomechanical properties and locomotion patterns existing in these species. Here we demonstrate that rhythmic and alternating movements in pendulum models can be learned by a monolayer spinal cord circuitry model using the Bienenstock–Cooper–Munro learning rule, which has been previously proposed to explain learning in the visual cortex. These results provide an alternative theory to central pattern generator models, because rhythm generating neurons and genetically defined connectivity are not required in our model. Though our results are not in contradiction to current models, as existing neural mechanism and structures, not used in our model, can be expected to facilitate the kind of learning demonstrated here. Therefore, our model could be used to augment existing models.

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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
BCM rule, Central pattern generator, Learning, Locomotion, Neurons
in
Biological Cybernetics
volume
117
issue
4-5
pages
10 pages
publisher
Springer
external identifiers
  • pmid:37594531
  • scopus:85168382798
ISSN
0340-1200
DOI
10.1007/s00422-023-00970-z
language
English
LU publication?
yes
additional info
Publisher Copyright: © 2023, The Author(s).
id
7b79db64-9dbe-4512-8eab-8ee6fb48c411
date added to LUP
2023-11-13 13:22:52
date last changed
2024-04-25 04:40:34
@article{7b79db64-9dbe-4512-8eab-8ee6fb48c411,
  abstract     = {{<p>Currently, it is accepted that animal locomotion is controlled by a central pattern generator in the spinal cord. Experiments and models show that rhythm generating neurons and genetically determined network properties could sustain oscillatory output activity suitable for locomotion. However, current central pattern generator models do not explain how a spinal cord circuitry, which has the same basic genetic plan across species, can adapt to control the different biomechanical properties and locomotion patterns existing in these species. Here we demonstrate that rhythmic and alternating movements in pendulum models can be learned by a monolayer spinal cord circuitry model using the Bienenstock–Cooper–Munro learning rule, which has been previously proposed to explain learning in the visual cortex. These results provide an alternative theory to central pattern generator models, because rhythm generating neurons and genetically defined connectivity are not required in our model. Though our results are not in contradiction to current models, as existing neural mechanism and structures, not used in our model, can be expected to facilitate the kind of learning demonstrated here. Therefore, our model could be used to augment existing models.</p>}},
  author       = {{Kohler, Matthias and Röhrbein, Florian and Knoll, Alois and Albu-Schäffer, Alin and Jörntell, Henrik}},
  issn         = {{0340-1200}},
  keywords     = {{BCM rule; Central pattern generator; Learning; Locomotion; Neurons}},
  language     = {{eng}},
  number       = {{4-5}},
  pages        = {{275--284}},
  publisher    = {{Springer}},
  series       = {{Biological Cybernetics}},
  title        = {{The Bcm rule allows a spinal cord model to learn rhythmic movements}},
  url          = {{http://dx.doi.org/10.1007/s00422-023-00970-z}},
  doi          = {{10.1007/s00422-023-00970-z}},
  volume       = {{117}},
  year         = {{2023}},
}