Cited by 1,177Neurogenesis and neuroplasticity mechanismsMotor Control and AdaptationMultiple Sclerosis Research Studies

Motor skill learning requires active central myelination

Open access
McKenzie, Ian A., Ohayon, David, Li, Huiliang, Paes de Faria, Joana, Emery, Ben, Tohyama, Koujiro, Richardson, William D.·2014·Science

Abstract

Myelin-forming oligodendrocytes (OLs) are formed continuously in the healthy adult brain. In this work, we study the function of these late-forming cells and the myelin they produce. Learning a new motor skill (such as juggling) alters the structure of the brain’s white matter, which contains many OLs, suggesting that late-born OLs might contribute to motor learning. Consistent with this idea, we show that production of newly formed OLs is briefly accelerated in mice that learn a new skill (running on a “complex wheel” with irregularly spaced rungs). By genetically manipulating the transcription factor myelin regulatory factor in OL precursors, we blocked production of new OLs during adulthood without affecting preexisting OLs or myelin. This prevented the mice from mastering the complex wheel. Thus, generation of new OLs and myelin is important for learning motor skills.

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Crossref · 10.1126/science.1254960

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  • In the mouse, motor learning or motor behavioral improvements require proliferation and differentiation of oligodendrocyte precursor cells in the white matter and motor cortex.

    “In the mouse, motor learning or motor behavioral improvements require proliferation and differentiation of oligodendrocyte precursor cells (OPCs) in the white matter and motor cortex (Gibson et al., 2014 ; McKenzie et al., 2014 ; Xiao et al., 2016 ).”

    From Motor learning requires myelination to reduce asynchrony and spontaneity in neural activity (2020) · cites this paper as McKenzie et al., 2014

    In “Running stimulates OP proliferation and OL production” (page unavailable), complex-wheel running increased precursor proliferation and oligodendrocyte production in the corpus callosum. The Abstract reports that blocking new oligodendrocyte production prevented mice from mastering the wheel, and “Preventing adult myelination by conditional deletion of myelin regulatory factor” also documents reduced production in motor cortex. The paper does not establish that precursor proliferation itself is required, or that the motor-cortex change specifically causes the learning deficit. (LLM, conf=0.85)

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  • The proliferation and differentiation of M1 OPCs is accelerated during motor learning.

    “We focused on the primary motor cortex (M1), as the proliferation and differentiation of M1 OPCs is accelerated, and the activity of M1 cortical neurons dynamically changes during motor learning (Huber et al., 2012 ; Masamizu et al., 2014 ; McKenzie et al., 2014 ; Peters, Chen, & Komiyama, 2014 ; Xiao et al., 2016 ).”

    From Motor learning requires myelination to reduce asynchrony and spontaneity in neural activity (2020) · cites this paper as McKenzie et al., 2014

    In “Running stimulates OP proliferation and OL production” (page not available), the paper reports increased precursor proliferation and newly formed oligodendrocytes during wheel running, but those measurements were made in the corpus callosum, not M1. The paper also measures oligodendrocyte production in motor cortex after genetic manipulation; that does not establish accelerated M1 OPC proliferation and differentiation during learning. (LLM, conf=0.89)

    Experimental — accuracy not yet measured
  • In such a case, the synchronous input of myelinated long-range axons connecting distant areas, and information processes with a high signal-to-noise ratio, may be important.

    “In such a case, the synchronous input of myelinated long‐range axons connecting distant areas, and information processes with a high signal‐to‐noise ratio, may be important (Gibson et al., 2014 ; McKenzie et al., 2014 ; Xiao et al., 2016 ).”

    From Motor learning requires myelination to reduce asynchrony and spontaneity in neural activity (2020) · cites this paper as McKenzie et al., 2014

    The paper’s introductory text says myelin speeds electrical communication, and the section “Running stimulates OP proliferation and OL production” suggests that activity-dependent myelination could make motor circuits more efficient (page unavailable in our copy). It does not address synchronous input from long-range axons connecting distant areas or a high signal-to-noise ratio. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • These studies assessed motor learning ability using a running wheel with irregularly spaced rungs, in which the mice had to coordinate many parts of the body to avoid missing their step, even in the first session.

    “These assessed motor learning ability using a running wheel with irregularly spaced rungs, in which the mice had to coordinate many parts of the body to avoid missing their step, even in the first session.”

    From Motor learning requires myelination to reduce asynchrony and spontaneity in neural activity (2020) · cites this paper as McKenzie et al., 2014

    In “The complex running wheel” (page not provided), the paper explicitly says it assessed motor learning with irregularly spaced rungs and describes mice coordinating their forepaws and hindpaws to find a rung. It says mice had great difficulty at first, but does not establish that they used this successful coordination in the first session. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • In the complex wheel paradigm, running leads to an increase in proliferating OPCs after 4 days, followed by an increase in oligodendrocytes after 8 days.

    “running on the wheel leads to an increase in the number of proliferating OPCs after 4 days, followed by an increase in oligodendrocytes after 8 days (20).”

    From Oligodendrocyte heterogeneity in the mouse juvenile and adult central nervous system (2016) · cites this paper as [20]

    In “Running stimulates OP proliferation and OL production” (page unavailable), the paper reports an increased fraction of EdU-labeled OPCs after 4 days on the complex wheel, consistent with increased proliferation. It reports an increase in the absolute number of OPCs at 6 days and in oligodendrocyte-lineage cells at 11 days, not an increase in oligodendrocytes at 8 days. (LLM, conf=0.90)

    Experimental — accuracy not yet measured

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Authors
McKenzie, I. A., Ohayon, D., Li, H., Paes de Faria, J., Emery, B., Tohyama, K., & Richardson, W. D.
Affiliations
  • University College London (GB)
  • The Wolfson Institute for Biomedical Research, University College London, Gower Street, London WC1E 6BT, UK.
  • The University of Melbourne (AU)
  • Iwate Medical University (JP)
Corresponding author
  • McKenzie, Ian A.
  • Ohayon, David
  • Richardson, William D.
Venue
Science
Published
2014-10-17
Volume
346
Issue
6207
Pages
318-322
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2085529478
Cited by
1,177
References
36
Citations by year
2026: 68 · 2025: 90 · 2024: 103 · 2023: 107 · 2022: 101 · 2021: 146 · 2020: 108 · 2019: 122 · 2018: 83 · 2017: 101 · 2016: 88 · 2015: 53 · 2014: 3 · 2012: 1
FWCI
28.41
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • HAL (submittedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • Wellcome Trust (100269, 100269/Z/12/Z, 066745)
  • Biotechnology and Biological Sciences Research Council (BB/L003236/1)
  • Japan Society for the Promotion of Science (24650181)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Multiple Sclerosis Research Studies
Keywords
motor skill learning, oligodendrocyte myelination, adult neurogenesis, white matter plasticity, oligodendrocyte precursor cells, juggling
MeSH terms
Animals, Brain, Humans, Learning, Male, Mice, Transgenic, Motor Skills, Myelin Sheath, Synaptic Transmission, Oligodendroglia, Mental Recall, Transcription Factors, Gene Deletion, Cell Proliferation, Mice

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