Cited by 43Neurogenesis and neuroplasticity mechanismsAdvanced Neuroimaging Techniques and ApplicationsMedical and Biological Sciences

Development of the Cell Population in the Brain White Matter of Young Children

Sigaard, Rasmus Krarup, Kjær, Majken, Pakkenberg, Bente·2016·Cerebral Cortex

Abstract

While brain gray matter is primarily associated with sensorimotor processing and cognition, white matter modulates the distribution of action potentials, coordinates communication between different brain regions, and acts as a relay for input/output signals. Previous studies have described morphological changes in gray and white matter during childhood and adolescence, which are consistent with cellular genesis and maturation, but corresponding events in infants are poorly documented. In the present study, we estimated the total number of cells (neurons, oligodendrocytes, astrocytes, and microglia) in the cerebral white matter of 9 infants aged 0-33 months, using design-based stereological methods to obtain quantitative data about brain development. There were linear increases with age in the numbers of oligodendrocytes (7-28 billion) and astrocytes (1.5-6.7 billion) during the first 3 years of life, thus attaining two-thirds of the corresponding numbers in adults. The numbers of neurons (0.7 billion) and microglia (0.2 billion) in the white matter did not increase during the first 3 years of life, but showed large biological variation.

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Crossref · 10.1093/cercor/bhu178

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  • The number of oligodendrocytes in cerebral white matter increases rapidly and linearly after birth, from about seven billion at birth to 28 billion at age three, a rate of 600 million per month.

    “the number of oligodendrocytes in cerebral white matter increases rapidly and linearly after birth, from approximately 7 billion at birth to 28 billion at age 3 years — a rate of 600 million per month216.”

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Authors
Sigaard, R. K., Kjær, M., & Pakkenberg, B.
Affiliations
Frederiksberg Hospital (DK)
Corresponding author
Sigaard, Rasmus Krarup
Venue
Cerebral Cortex
Published
2014-08-13
Volume
26
Issue
1
Pages
89-95
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2114272337
Cited by
43
References
47
Citations by year
2026: 1 · 2025: 6 · 2024: 4 · 2023: 3 · 2022: 5 · 2021: 4 · 2020: 5 · 2019: 3 · 2018: 1 · 2017: 6 · 2016: 3 · 2015: 1 · 2014: 1
FWCI
1.27
Type
journal article
Language
en
Open access
closed
Locations
  • Cerebral Cortex (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Health Sciences › Medicine › Anatomy › Medical and Biological Sciences
Keywords
white matter, infant brain development, oligodendrocytes, astrocytes, microglia, neurons, cell number, stereology, early childhood
MeSH terms
Age Factors, Astrocytes, Child, Preschool, Female, Humans, Infant, Infant, Newborn, Male, Oligodendroglia, Microglia, Cell Proliferation, White Matter

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