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  2. Myelinogenesis - Wikipedia

    en.wikipedia.org/wiki/Myelinogenesis

    Myelin is formed by oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system.Therefore, the first stage of myelinogenesis is often defined as the differentiation of oligodendrocyte progenitor cells (OPCs) or Schwann cell progenitors into their mature counterparts, [4] followed by myelin formation around axons.

  3. Human brain development timeline - Wikipedia

    en.wikipedia.org/wiki/Human_brain_development...

    Cortical white matter increases from childhood (~9 years) to adolescence (~14 years), most notably in the frontal and parietal cortices. [8] Cortical grey matter development peaks at ~12 years of age in the frontal and parietal cortices, and 14–16 years in the temporal lobes (with the superior temporal cortex being last to mature), peaking at about roughly the same age in both sexes ...

  4. Development of the nervous system in humans - Wikipedia

    en.wikipedia.org/wiki/Development_of_the_nervous...

    Children's brains contain more "silent synapses" that are inactive until recruited as part of neuroplasticity and flexible learning or memories. [38] [39] Neuroplasticity is heightened during critical or sensitive periods of brain development, mainly referring to brain development during child development. [40]

  5. Myelin - Wikipedia

    en.wikipedia.org/wiki/Myelin

    The process of generating myelin is called myelination or myelinogenesis. In the CNS, oligodendrocyte progenitor cells (OPCs) differentiate into mature oligodendrocytes, which form myelin. In humans, myelination begins early in the 3rd trimester, [ 11 ] although only little myelin is present in either the CNS or the PNS at the time of birth.

  6. Synaptic pruning - Wikipedia

    en.wikipedia.org/wiki/Synaptic_pruning

    A model view of the synapse. Synaptic pruning, a phase in the development of the nervous system, is the process of synapse elimination that occurs between early childhood and the onset of puberty in many mammals, including humans. [1]

  7. Development of the cerebral cortex - Wikipedia

    en.wikipedia.org/wiki/Development_of_the...

    The second and third layers, or the external granular layer and external pyramidal layer respectively, are formed around mouse embryonal ages 13.5 to 16 days (E13.5 to E16). These layers are the last to form during corticogenesis and include pyramidal neurons , astrocytes, Stellates , and radial glial cells.

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  9. Oligodendrocyte - Wikipedia

    en.wikipedia.org/wiki/Oligodendrocyte

    Myelination is only prevalent in a few brain regions at birth and continues into adulthood. The entire process is not complete until about 25–30 years of age. [24] Myelination is an important component of intelligence, and white matter quantity may be positively correlated with IQ test results in children. [24]