Cited by 512Neurogenesis and neuroplasticity mechanismsNeural dynamics and brain functionNeuroscience and Neuropharmacology Research

Exuberance in the development of cortical networks

Innocenti, Giorgio M., Price, David J.·2005·Nature Reviews Neuroscience

Abstract

The cerebral cortex is the largest and most intricately connected part of the mammalian brain. Its size and complexity has increased during the course of evolution, allowing improvements in old functions and causing the emergence of new ones, such as language. This has expanded the behavioural and cognitive repertoire of different species and has determined their competitive success. To allow the relatively rapid emergence of large evolutionary changes in a structure of such importance and complexity, the mechanisms by which cortical circuitry develops must be flexible and yet robust against changes that could disrupt the normal functions of the networks.

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Crossref · 10.1038/nrn1790

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123 of 123 references verified0 citation errors · 0 not checkable

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  • The development of functional networks likely reflects programmed neurodevelopmental events.

    “This intricate structural-functional interplay underscores that the ontogeny of functional networks likely reflects programmed neurodevelopmental events (e.g. neurogenesis, cell death, myelination, pruning, synaptic plasticity, and glial development) (Innocenti and Price, 2005; Stiles and Jernigan, 2010)”
  • The first years include widespread rapid synapse formation, then a long phase of synapse removal and cell loss that extends into adulthood.

    “This same time period is marked by rapid and widespread cortical synaptogenesis, followed by a protracted period of synapse elimination and cell loss which carries into adulthood (Huttenlocher, 2002; Innocenti and Price, 2005).”

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Authors
Innocenti, G. M., & Price, D. J.
Affiliations
  • Karolinska Institutet (SE)
  • University of Edinburgh (GB)
Corresponding author
Innocenti, Giorgio M.
Venue
Nature Reviews Neuroscience
Published
2005-11-01
Volume
6
Issue
12
Pages
955-965
ISSN
  • 1471-003X (ISSN-L)
  • 1471-0048
OpenAlex
W2044636785
Cited by
512
References
123
Citations by year
2026: 20 · 2025: 24 · 2024: 13 · 2023: 19 · 2022: 25 · 2021: 30 · 2020: 32 · 2019: 41 · 2018: 27 · 2017: 32 · 2016: 38 · 2015: 29 · 2014: 25 · 2013: 25 · 2012: 20
FWCI
1.33
Type
journal article
Language
en
Open access
closed
Locations
  • Nature reviews. Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
cerebral cortex, cortical circuits, brain evolution, cortical expansion, language evolution, developmental flexibility
MeSH terms
Animals, Cerebral Cortex, Biological Evolution, Humans, Nerve Net, Neural Pathways

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