ArticleHuman brain mapping2025
Cortical Morphology and Morphometric Similarity Network Topology Alterations in Preterm Neonates: Insights From an East Asian Cohort.
Article in Human brain mapping, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Cortical Morphology and Morphometric Similarity Network Topology Alterations in Preterm Neonates: Insights From an East Asian Cohort.Human brain mapping · 2025Article
- Investigation of cerebral cortical morphological similarity and network topological abnormalities in hepatic encephalopathy utilizing a morphometric inverse divergence network framework.Frontiers in neurologyArticle
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18 authors.
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Abstract
The early postnatal period is critical for cortical development, with prematurity disrupting neurodevelopmental trajectories and increasing long-term vulnerability. However, cortical morphological and morphometric similarity network (MSN) research in East Asian preterm neonates is limited. Using structural MRI in 159 Chinese neonates (109 preterm [median GA at birth: 34.6 weeks], 50 term [median GA at birth: 38.8 weeks]) scanned at near-term equivalent PMA (36-42 weeks), we analyzed cortical morphometry and constructed individualized MSNs. Compared to term neonates, preterm neonates exhibited significant region-specific morphological alterations: reduced surface area in the left precuneus and supramarginal gyrus, decreased mean curvature in the left inferior parietal, parahippocampal, and right superior temporal cortices, and increased cortical thickness in the right caudal middle frontal gyrus (FDR-corrected p < 0.05). Within preterm neonates, surface area and gray matter volume showed widespread positive correlations with PMA at scan (FDR-corrected p < 0.05 in multiple regions). Regional MSN analysis revealed significantly increased morphometric similarity in the right medial orbitofrontal cortex (FDR-corrected p = 0.026). Although global MSN topology showed no statistically significant group differences, preterm neonates displayed trends suggesting reduced MSN-based integration and segregation, reflecting less coordinated cortical morphological patterns across distant and local regions. Within the preterm group, developmental analysis indicated progressive trends toward enhanced global MSN integration and segregation with increasing PMA, alongside a significant decrease in betweenness centrality within the right precuneus (Spearman's ρ = -0.337). This study comprehensively characterizes cortical morphology and MSN development in East Asian preterm neonates, identifying region-specific disruptions and dynamic postnatal cortical morphological and network maturation trajectories.
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