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Myelin plasticity: sculpting circuits in learning and memory
1Weill Institute for Neuroscience, Department of Neurology, University of California, San Francisco, San Francisco, CA, USA. wen.xin@ucsf.edu.
Nature Reviews. Neuroscience
|October 13, 2020
Summary
New research reveals that myelin plasticity, involving oligodendrocytes, is crucial for learning and memory. This form of neural plasticity complements synaptic plasticity and may be impaired in cognitive disorders.
Area of Science:
- Neuroscience
- Cell Biology
- Cognitive Science
Background:
- Synaptic plasticity has long been recognized as a key mechanism for learning and memory formation.
- Recent discoveries highlight a novel form of plasticity involving oligodendrocytes and myelin sheaths.
Purpose of the Study:
- To review recent advancements in understanding oligodendrocyte and myelin plasticity.
- To explore the role of this plasticity in sensory experience and learning.
- To examine the implications of oligodendrocyte dysfunction in neurodevelopmental disorders.
Main Methods:
- Literature review of recent studies on oligodendrocyte lineage plasticity.
- Analysis of physiological and behavioral consequences of manipulating myelin plasticity.
- Examination of evidence linking oligodendrocyte dysfunction to cognitive symptoms in disorders.
Main Results:
- Oligodendrocyte and myelin sheath plasticity are significantly influenced by sensory experience and learning.
- Manipulation of this plasticity affects physiological functions and behavior.
- Dysfunction in oligodendrocytes and myelin is associated with cognitive deficits in neurodevelopmental conditions.
Conclusions:
- Oligodendrocyte and myelin plasticity represent a critical, yet understudied, component of learning and memory.
- Further research is needed to overcome current technical and conceptual limitations in this field.
- Understanding myelin plasticity offers new avenues for investigating and treating cognitive impairments.
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