myelination

Also my·e·lin·i·za·tion

[mahy-uh-luh-ney-shuhn]

noun

Anatomy.

1. the formation of a myelin sheath.

Word History and Origins

Origin of myelination¹

First recorded in 1895–1900; myelin + -ation

Example Sentences

Learning to juggle or practicing the piano, for example, gradually increases myelination in the brain circuits involved, optimizing for these abilities.

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But the same adaptive myelination that is essential to learning, attention and memory has a dark side.

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The new findings, to be published June 5 in Nature, show how using addictive drugs can drive maladaptive myelination of the brain's reward circuitry, which in turn reinforces drug-seeking behavior.

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In 2022, Monje's lab reported that adaptive myelination could explain why some epileptic seizures worsen over time.

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The experience of seizures drives more myelination of the circuits involved, allowing faster and more synchronized signaling, which become more frequent and severe seizures.

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