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Neuroimage. 2019 Jan 15;185:609-623. doi: 10.1016/j.neuroimage.2018.07.057. Epub 2018 Jul 27.

Neonatal brain injury and aberrant connectivity.

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Departments of Neurology, Pediatrics and Radiology, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8111, St. Louis, MO, 63110, USA. Electronic address:
Department of Psychiatry, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8134, St. Louis, MO, 63110, USA. Electronic address:
Departments of Neurosurgery and Pediatrics, Washington University School of Medicine, One Children's Place, Suite S20, St. Louis, MO, 63110, USA. Electronic address:
Department of Pediatric Neurology, Boston Children's Hospital, 300 Longwood Avenue, BCH3443, Boston, MA, 02115, USA. Electronic address:


Brain injury sustained during the neonatal period may disrupt development of critical structural and functional connectivity networks leading to subsequent neurodevelopmental impairment in affected children. These networks can be characterized using structural (via diffusion MRI) and functional (via resting state-functional MRI) neuroimaging techniques. Advances in neuroimaging have led to expanded application of these approaches to study term- and prematurely-born infants, providing improved understanding of cerebral development and the deleterious effects of early brain injury. Across both modalities, neuroimaging data are conducive to analyses ranging from characterization of individual white matter tracts and/or resting state networks through advanced 'connectome-style' approaches capable of identifying highly connected network hubs and investigating metrics of network topology such as modularity and small-worldness. We begin this review by summarizing the literature detailing structural and functional connectivity findings in healthy term and preterm infants without brain injury during the postnatal period, including discussion of early connectome development. We then detail common forms of brain injury in term- and prematurely-born infants. In this context, we next review the emerging body of literature detailing studies employing diffusion MRI, resting state-functional MRI and other complementary neuroimaging modalities to characterize structural and functional connectivity development in infants with brain injury. We conclude by reviewing technical challenges associated with neonatal neuroimaging, highlighting those most relevant to studying infants with brain injury and emphasizing the need for further targeted study in this high-risk population.


Brain injury; Functional connectivity; Infant; Magnetic resonance imaging; Prematurity; Structural connectivity

[Available on 2020-01-15]
[Indexed for MEDLINE]

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