Cited by 272Functional Brain Connectivity StudiesComplex Network Analysis TechniquesAdvanced Neuroimaging Techniques and Applications

Temporal and spatial evolution of brain network topology during the first two years of life

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Gao, Wei, Gilmore, John H., Giovanello, Kelly S., Smith, Jeffery Keith, Shen, Dinggang, Zhu, Hongtu, Lin, Weili·2011·PLoS ONE

Abstract

The mature brain features high wiring efficiency for information transfer. However, the emerging process of such an efficient topology remains elusive. With resting state functional MRI and a large cohort of normal pediatric subjects (n = 147) imaged during a critical time period of brain development, 3 wk- to 2 yr-old, the temporal and spatial evolution of brain network topology is revealed. The brain possesses the small world topology immediately after birth, followed by a remarkable improvement in whole brain wiring efficiency in 1 yr olds and becomes more stable in 2 yr olds. Regional developments of brain wiring efficiency and the evolution of functional hubs suggest differential development trend for primary and higher order cognitive functions during the first two years of life. Simulations of random errors and targeted attacks reveal an age-dependent improvement of resilience. The lower resilience to targeted attack observed in 3 wk old group is likely due to the fact that there are fewer well-established long-distance functional connections at this age whose elimination might have more profound implications in the overall efficiency of information transfer. Overall, our results offer new insights into the temporal and spatial evolution of brain topology during early brain development.

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Authors
Gao, W., Gilmore, J. H., Giovanello, K. S., Smith, J. K., Shen, D., Zhu, H., & Lin, W.
Affiliations
University of North Carolina at Chapel Hill (US)
Corresponding author
Lin, Weili
Venue
PLoS ONE
Published
2011-09-23
Volume
6
Issue
9
Pages
e25278
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2026622593
Cited by
272
References
55
Citations by year
2026: 12 · 2025: 15 · 2024: 18 · 2023: 11 · 2022: 21 · 2021: 17 · 2020: 47 · 2019: 18 · 2018: 29 · 2017: 17 · 2016: 14 · 2015: 18 · 2014: 15 · 2013: 16 · 2012: 3
FWCI
5.68
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
  • UNC Libraries
Funders
  • National Institutes of Health (MH064065)
  • National Institute of Mental Health (MH064065, P50MH064065, R01MH070890)
  • National Institute of Neurological Disorders and Stroke (NS055754, R01NS055754)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD053000, HD053000)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Complex Network Analysis Techniques
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
Keywords
brain network topology, infant brain development, small-world networks, functional hubs, network resilience, targeted attacks, random error, resting-state functional connectivity, information transmission, early childhood
MeSH terms
Brain, Brain Mapping, Female, Humans, Infant, Infant, Newborn, Magnetic Resonance Imaging, Male

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