Cited by 791Functional Brain Connectivity StudiesInfant Development and Preterm CareAdvanced Neuroimaging Techniques and Applications

Longitudinal Analysis of Neural Network Development in Preterm Infants

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Smyser, Christopher D., Inder, Terrie E., Shimony, Joshua S., Hill, Jason E., Degnan, Andrew J., Snyder, Abraham Z., Neil, Jeffrey J.·2010·Cerebral Cortex

Abstract

Application of resting state functional connectivity magnetic resonance imaging (fcMRI) to the study of prematurely born infants enables assessment of the earliest forms of cerebral connectivity and characterization of its early development in the human brain. We obtained 90 longitudinal fcMRI data sets from a cohort of preterm infants aged from 26 weeks postmenstrual age (PMA) through term equivalent age at PMA-specific time points. Utilizing seed-based correlation analysis, we identified resting state networks involving varied cortical regions, the thalamus, and cerebellum. Identified networks demonstrated a regionally variable age-specific pattern of development, with more mature forms consisting of localized interhemispheric connections between homotopic counterparts. Anatomical distance was found to play a critical role in the rate of connection development. Prominent differences were noted between networks identified in term control versus premature infants at term equivalent, including in the thalamocortical connections critical for neurodevelopment. Putative precursors of the default mode network were detected in term control infants but were not identified in preterm infants, including those at term equivalent. Identified patterns of network maturation reflect the intricate relationship of structural and functional processes present throughout this important developmental period and are consistent with prior investigations of neurodevelopment in this population.

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  • Progressive maturation of primary functional networks has been shown in human fetuses and in premature infants before term age.

    “Progressive maturation of these primary networks has been shown in human fetuses94 and in premature infants before term age88, 89,89”

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Authors
Smyser, C. D., Inder, T. E., Shimony, J. S., Hill, J. E., Degnan, A. J., Snyder, A. Z., & Neil, J. J.
Affiliations
Washington University in St. Louis (US)
Venue
Cerebral Cortex
Published
2010-03-17
Volume
20
Issue
12
Pages
2852-2862
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2137376190
Cited by
791
References
68
Citations by year
2026: 28 · 2025: 46 · 2024: 40 · 2023: 43 · 2022: 48 · 2021: 54 · 2020: 90 · 2019: 48 · 2018: 75 · 2017: 47 · 2016: 53 · 2015: 46 · 2014: 57 · 2013: 53 · 2012: 25
FWCI
22.05
Type
journal article
Language
en
Open access
Locations
  • Cerebral Cortex (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Neurological Disorders and Stroke (P30NS048056)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD057098, K23HD053212)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Infant Development and Preterm Care
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
Keywords
preterm infants, resting-state functional connectivity, brain network development, thalamocortical connections, default mode network, interhemispheric connections, anatomical distance, seed-based correlation analysis, longitudinal development, cerebellum, thalamus
MeSH terms
Brain, Female, Humans, Image Interpretation, Computer-Assisted, Infant, Newborn, Magnetic Resonance Imaging, Male, Nerve Net, Pregnancy, Premature Birth, Neurogenesis

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