Cited by 272Neurogenesis and neuroplasticity mechanismsNeuroscience and Neuropharmacology ResearchGenetics and Neurodevelopmental Disorders

Mechanisms of postnatal neurobiological development: Implications for human development

Webb, Sara J., Monk, Christopher S., Nelson, Charles A.·2001·Developmental Neuropsychology

Abstract

This review focuses on the postnatal neuroanatomical changes that arise during the first years of human life. Development is characterized by 2 major organizational periods. The first period begins at conception and includes the major histogenetic events such as neurulation, proliferation, migration, and differentiation. It has been proposed that these events may be controlled by genetic and epigenetic events, which give rise to neural structures that are amenable to external influence. The second period is a time of reorganization in the human cortex. These events occur during gestation and continue postnatally, possibly through the 2nd decade of life. This stage is characterized by dendritic and axonal growth, synapse production, neuronal and synaptic pruning, and changes in neurotransmitter sensitivity. Although the initiation of these events is influenced by endogenous signals, further neural maturation is primarily influenced by exogenous signals. To illustrate both the progressive and regressive events during the postnatal period, we use examples from the development of the human cortex.

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Crossref · 10.1207/s15326942dn1902_2

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94 of 94 references verified0 citation errors · 0 not checkable

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Authors
Webb, S. J., Monk, C. S., & Nelson, C. A.
Affiliations
University of Minnesota (US)
Venue
Developmental Neuropsychology
Published
2001-04
Volume
19
Issue
2
Pages
147-171
ISSN
  • 1532-6942 (ISSN-L)
  • 8756-5641
OpenAlex
W2048794781
Cited by
272
References
94
Citations by year
2026: 7 · 2025: 9 · 2024: 8 · 2023: 4 · 2022: 9 · 2021: 9 · 2020: 8 · 2019: 16 · 2018: 13 · 2017: 12 · 2016: 9 · 2015: 16 · 2014: 9 · 2013: 15 · 2012: 10
FWCI
1.22
Type
journal article
Language
en
Open access
closed
Locations
  • Developmental Neuropsychology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Narodowa Agencja Wymiany Akademickiej
  • National Institutes of Health (5f31mh012132-03)
  • National Institute of Mental Health (MH12132)
  • National Institute of Neurological Disorders and Stroke (NS32976, R01NS032976)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD01751)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
postnatal brain development, human neuroanatomy, cortical development, neurulation, neuronal migration, neuronal differentiation, epigenetic regulation, synaptogenesis, synaptic pruning, neurotransmitter sensitivity, early childhood development
MeSH terms
Axons, Brain, Child Development, Dendrites, Humans, Infant, Myelin Sheath, Nerve Net, Neurobiology

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