The effect of global signal regression on DCM estimates of noise and effective connectivity from resting state fMRI
Abstract
The influence of global BOLD fluctuations on resting state functional connectivity in fMRI data remains a topic of debate, with little consensus. In this study, we assessed the effects of global signal regression (GSR) on effective connectivity within and between resting state networks (RSNs) - as estimated with dynamic causal modelling (DCM) for resting state fMRI (rsfMRI). DCM incorporates a forward (generative) model that quantifies the...
Paper Details
Title
The effect of global signal regression on DCM estimates of noise and effective connectivity from resting state fMRI
Published Date
Mar 1, 2020
Journal
Volume
208
Pages
116435 - 116435
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