Resting-state functional connectivity in the idiopathic generalized epilepsies: A systematic review and meta-analysis of EEG and MEG studies
Epilepsy & Behavior(2021)
摘要
For idiopathic generalized epilepsies (IGE), brain network analysis is emerging as a biomarker for poten-tial use in clinical care. To determine whether people with IGE show alterations in resting-state brain connectivity compared to healthy controls, and to quantify these differences, we conducted a systematic review and meta-analysis of EEG and magnetoencephalography (MEG) functional connectivity and net -work studies. The review was conducted according to PRISMA guidelines. Twenty-two studies were eli-gible for inclusion. Outcomes from individual studies supported hypotheses for interictal, resting-state brain connectivity alterations in IGE patients compared to healthy controls. In contrast, meta-analysis from six studies of common network metrics clustering coefficient, path length, mean degree and nodal strength showed no significant differences between IGE and control groups (effect sizes ranged from-0.151 -1.78). The null findings of the meta-analysis and the heterogeneity of the included studies high-lights the importance of developing standardized, validated methodologies for future research. Network neuroscience has significant potential as both a diagnostic and prognostic biomarker in epilepsy, though individual variability in network dynamics needs to be better understood and accounted for. (c) 2021 Elsevier Inc. All rights reserved.
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关键词
Network analysis,Functional connectivity,Idiopathic generalized epilepsy,Meta-analysis
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