Cited by 24Down syndrome and intellectual disability researchFetal and Pediatric Neurological DisordersAutism Spectrum Disorder Research

Comprehensive volumetric phenotyping of the neonatal brain in Down syndrome

Open access
Fukami-Gartner, Abi, Baburamani, Ana A, Dimitrova, Ralica, Patkee, Prachi A, Ojinaga-Alfageme, Olatz, Bonthrone, Alexandra F, Cromb, Daniel, Uus, Alena U +4 more·2023·Cerebral Cortex

Published version of a preprint

Abstract

Down syndrome (DS) is the most common genetic cause of intellectual disability with a wide range of neurodevelopmental outcomes. To date, there have been very few in vivo neuroimaging studies of the neonatal brain in DS. In this study we used a cross-sectional sample of 493 preterm- to term-born control neonates from the developing Human Connectome Project to perform normative modeling of regional brain tissue volumes from 32 to 46 weeks postmenstrual age, accounting for sex and age variables. Deviation from the normative mean was quantified in 25 neonates with DS with postnatally confirmed karyotypes from the Early Brain Imaging in DS study. Here, we provide the first comprehensive volumetric phenotyping of the neonatal brain in DS, which is characterized by significantly reduced whole brain, cerebral white matter, and cerebellar volumes; reduced relative frontal and occipital lobar volumes, in contrast with enlarged relative temporal and parietal lobar volumes; enlarged relative deep gray matter volume (particularly the lentiform nuclei); and enlargement of the lateral ventricles, amongst other features. In future, the ability to assess phenotypic severity at the neonatal stage may help guide early interventions and, ultimately, help improve neurodevelopmental outcomes in children with DS.

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Crossref · 10.1093/cercor/bhad171

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  • Cognitive and brain structure deficits in Down syndrome emerge as early as 6 months of age and progress to have substantial impacts on daily life, academic and occupational outcomes.

    “These cognitive and brain structure deficits emerge as early as 6 months of age and progress to have substantial impacts on daily life, as well as academic and occupational outcomes5–7.”

    From Consequences of trisomy 21 for brain development in Down syndrome (2024) · cites this paper as [6]

    The Introduction describes cognitive weaknesses in Down syndrome, and the Discussion reports brain-volume differences in neonates. The paper does not establish that cognitive deficits emerge at six months or that these deficits progress to affect daily life, academic outcomes, and occupational outcomes; its Conclusion says the link between neonatal brain development and later outcomes remains unclear. No page numbers were available in our copy. (LLM, conf=0.86)

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  • Gross anatomical differences in brain structure are apparent in fetal and neonatal brains of individuals with Down syndrome, including reductions in overall brain volume, white matter volume, gyral complexity, sulcal depth and growth of the cortical plate.

    “Gross anatomical differences in brain structure are apparent in the fetal and neonatal brains of individuals with DS, including reductions in overall brain volume, white matter volume, gyral complexity, sulcal depth and growth of the cortical plate6,8–15.”

    From Consequences of trisomy 21 for brain development in Down syndrome (2024) · cites this paper as [6]

    The Results section reports smaller whole-brain and cerebral white-matter volumes in neonates with Down syndrome. The Discussion also reports reduced fetal whole-brain volume and lower sulcal depth and gyrification index from earlier studies. Our copy does not establish reduced growth of the cortical plate, so that element of the attributed claim is unsupported. Page numbers are unavailable in the indexed passages. (LLM, conf=0.86)

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2 of the 118 references couldn’t be matched to a known paper.

Research works printed but not linked: 2

  1. Aylward EH, Habbak R, Warren AC, Margaret B, Barta PE, Jerram M, Pearlson GD. Cerebellar volume. Arch Neurol. 1997a: 54: 209– 212. 9041863
  2. Chapman RS, Hesketh LJ. Behavioral phenotype of individuals with down syndrome. Ment Retard Dev Disabil Res Rev. 2000: 6: 84– 95. 10899801

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Authors
Fukami-Gartner, A., Baburamani, A. A., Dimitrova, R., Patkee, P. A., Ojinaga-Alfageme, O., Bonthrone, A. F., Cromb, D., Uus, A. U., Counsell, S. J., Hajnal, J. V., O’Muircheartaigh, J., & Rutherford, M. A.
Affiliations
St Thomas' Hospital (GB)
Corresponding author
Rutherford, Mary A
Venue
Cerebral Cortex
Published
2023-05-26
Volume
33
Issue
14
Pages
8921-8941
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W4378783783
Cited by
24
References
118
Citations by year
2026: 8 · 2025: 6 · 2024: 7 · 2023: 3
FWCI
6.14
Type
journal article
Language
en
Open access
Locations
  • Cerebral Cortex (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (submittedVersion, cc-by)
Funders
  • Medical Research Council (MR/K006355/1, MR/LO11530/1, 319456)
  • Rosetrees Trust (A1563)
  • Sparks and Great Ormond Street Hospital Children’s Charity (V5318)
  • Wellcome/EPSRC Centre for Medical Engineering (WT203148/Z/16/Z)
  • National Institute for Health Research
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Down syndrome and intellectual disability research
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Fetal and Pediatric Neurological Disorders
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
Keywords
Down syndrome, neonatal brain, brain tissue volume, white matter volume, cerebellar volume, deep gray matter, lateral ventricle, intellectual disability, neurodevelopmental outcomes, phenotypic severity
MeSH terms
Brain, Child, Cross-Sectional Studies, Down Syndrome, Humans, Infant, Newborn, Magnetic Resonance Imaging, White Matter

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