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Disconnected neuromagnetic networks in children born very preterm: Disconnected MEG networks in preterm children.

Abstract：

:Many children born very preterm (≤32 weeks) experience significant cognitive difficulties, but the biological basis of such problems has not yet been determined. Functional MRI studies have implicated altered functional connectivity; however, little is known regarding the spatiotemporal organization of brain networks in this population. We provide the first examination of resting-state neuromagnetic connectivity mapped in brain space in school age children born very preterm. Thirty-four subjects (age range 7-12 years old), consisting of 17 very preterm-born children and 17 full-term born children were included. Very preterm-born children exhibited global decreases in inter-regional synchrony in all analysed frequency ranges, from theta (4-7 Hz) to high gamma (80-150 Hz; p < 0.01, corrected). These reductions were expressed in spatially and frequency specific brain networks (p < 0.0005, corrected). Our results demonstrate that mapping connectivity with high spatiotemporal resolution offers new insights into altered organization of neurophysiological networks which may contribute to the cognitive difficulties in this vulnerable population.

journal_name

Neuroimage Clin

journal_title

NeuroImage. Clinical

authors

Ye AX,AuCoin-Power M,Taylor MJ,Doesburg SM

doi

10.1016/j.nicl.2015.08.016

subject

Has Abstract

pub_date

2015-09-01 00:00:00

pages

376-84

issn

2213-1582

pii

S2213-1582(15)00154-0

journal_volume

11

pub_type

杂志文章

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