Abstract
Alterations in neural networks are associated with the cognitive difficulties of the prematurely born. Using functional magnetic resonance imaging, we analyzed functional connectivity for preterm (PT) and term neonates at term equivalent age. Specifically, we constructed whole-brain networks and examined rich club (RC) organization, a common construct among complex systems where important (or “rich”) nodes connect preferentially to other important nodes. Both PT and term neonates showed RC organization with PT neonates exhibiting significantly reduced connections between these RC nodes. Additionally, PT neonates showed evidence of weaker functional segregation. Our results suggest that PT birth is associated with fundamental changes of functional organization in the developing brain.
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This study was supported by NIH NS074022, T32 HD07094, T32 DA022975.
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Scheinost, D., Kwon, S.H., Shen, X. et al. Preterm birth alters neonatal, functional rich club organization. Brain Struct Funct 221, 3211–3222 (2016). https://doi.org/10.1007/s00429-015-1096-6
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DOI: https://doi.org/10.1007/s00429-015-1096-6