Cited by 40Functional Brain Connectivity StudiesAdvanced Neuroimaging Techniques and ApplicationsComplex Network Analysis Techniques

Global Network Organization of the Fetal Functional Connectome

Open access
De Asis-Cruz, Josepheen, Andersen, Nicole, Kapse, Kushal, Khrisnamurthy, Dhineshvikram, Quistorff, Jessica, Lopez, Catherine, Vezina, Gilbert, Limperopoulos, Catherine·2021·Cerebral Cortex

Abstract

Recent advances in brain imaging have enabled non-invasive in vivo assessment of the fetal brain. Characterizing brain development in healthy fetuses provides baseline measures for identifying deviations in brain function in high-risk clinical groups. We examined 110 resting state MRI data sets from fetuses at 19 to 40 weeks’ gestation. Using graph-theoretic techniques, we characterized global organizational features of the fetal functional connectome and their prenatal trajectories. Topological features related to network integration (i.e., global efficiency) and segregation (i.e., clustering) were assessed. Fetal networks exhibited small-world topology, showing high clustering and short average path length relative to reference networks. Likewise, fetal networks’ quantitative small world indices met criteria for small-worldness (σ > 1, ω = [−0.5 0.5]). Along with this, fetal networks demonstrated global and local efficiency, economy, and modularity. A right-tailed degree distribution, suggesting the presence of central areas that are more highly connected to other regions, was also observed. Metrics, however, were not static during gestation; measures associated with segregation—local efficiency and modularity—decreased with advancing gestational age. Altogether, these suggest that the neural circuitry underpinning the brain’s ability to segregate and integrate information exists as early as the late 2nd trimester of pregnancy and reorganizes during the prenatal period. Significance statement. Mounting evidence for the fetal origins of some neurodevelopmental disorders underscores the importance of identifying features of healthy fetal brain functional development. Alterations in prenatal brain connectomics may serve as early markers for identifying fetal-onset neurodevelopmental disorders, which in turn provide improved surveillance of at-risk fetuses and support the initiation of early interventions.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1093/cercor/bhaa410

Cites

140 of 140 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Research works printed but not linked: 2

  1. Kostovic I, Molliver ME. 1974. A new interpretation of the laminar development of cerebral cortex: synaptogenesis in different layers of neopallum in the human fetus. Anat Rec. 178:395–395. [Google Scholar]
  2. Volpe JJ, Inder TE, Darras BT, Vries LS, Plessis AJ, Neil J, Perlman JM. 2017. Volpe's Neurology of the Newborn E-Book. Philadelphia, PA: Elsevier Health Sciences. [Google Scholar]

Cited by

Sorted by citations

Authors
De Asis-Cruz, J., Andersen, N., Kapse, K., Khrisnamurthy, D., Quistorff, J., Lopez, C., Vezina, G., & Limperopoulos, C.
Affiliations
  • Developing Brain Institute, Children's National, 111 Michigan Ave NW, Washington DC 20010
  • Children's National (US)
  • Division of Diagnostic Imaging and Radiology, 111 Michigan Ave NW, Washington DC 20010
Corresponding author
Limperopoulos, Catherine
Venue
Cerebral Cortex
Published
2021-02-09
Volume
31
Issue
6
Pages
3034-3046
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W3126661780
Cited by
40
References
140
Citations by year
2026: 6 · 2025: 8 · 2024: 11 · 2023: 6 · 2022: 7 · 2021: 2
FWCI
2.01
Type
journal article
Language
en
Open access
Locations
  • Cerebral Cortex (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Heart, Lung, and Blood Institute (R01 HL116585–01)
  • National Institutes of Health
  • Canadian Institute of Health Research (MOP-81116)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Complex Network Analysis Techniques
Keywords
fetal brain, functional connectome, resting-state MRI, small-world networks, brain development, gestational age, network efficiency, clustering, modularity, degree distribution, prenatal neurodevelopment, neurodevelopmental disorders, graph theory
MeSH terms
Brain, Female, Fetus, Humans, Longitudinal Studies, Magnetic Resonance Imaging, Nerve Net, Pregnancy, Prospective Studies, Fetal Development, Connectome

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review