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White matter plasticity in adulthood.

S Wang¹, K M Young¹

¹Menzies Research Institute Tasmania, University of Tasmania, Hobart 7000, Australia.

|October 29, 2013

Summary

This summary is machine-generated.

Myelin plasticity, the brain's ability to form new myelin sheaths in adulthood, is crucial for CNS function. This process involves oligodendrocyte generation and myelin remodeling, impacting nerve signal speed.

Keywords:

NG2 central nervous system myelination oligodendrocyte plasticity white matter

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Area of Science:

Neuroscience
Cell Biology
Neurobiology

Background:

Central nervous system (CNS) white matter exhibits a form of neural plasticity known as myelin plasticity.
Oligodendrocyte generation and new myelin internode formation occur throughout adulthood.
These processes are vital for de novo myelination, myelin repair, and remodeling.

Purpose of the Study:

To review age-related changes in CNS white matter.
To identify regulators and mediators of myelin plasticity in the mature CNS.
To explore the physiological roles of myelin plasticity in CNS function.

Main Methods:

Literature review of studies on white matter changes over the lifespan.
Analysis of known regulators and mediators of CNS myelin plasticity.
Synthesis of current understanding regarding the functional implications of myelin plasticity.

Main Results:

Myelin plasticity is an ongoing process in adult CNS white matter.
Oligodendrocyte precursor cells contribute to myelin sheath formation and repair.
Myelin remodeling can alter axonal conduction velocity, suggesting adaptive roles.

Conclusions:

Myelin plasticity is a fundamental aspect of mature CNS function.
Understanding myelin plasticity is key to comprehending neural adaptation and repair.
Further research is needed to fully elucidate the functional significance of myelin plasticity in health and disease.