Spurious but systematic correlations in functional connectivity MRI networks arise from subject motion
Abstract
Here, we demonstrate that subject motion produces substantial changes in the timecourses of resting state functional connectivity MRI (rs-fcMRI) data despite compensatory spatial registration and regression of motion estimates from the data. These changes cause systematic but spurious correlation structures throughout the brain. Specifically, many long-distance correlations are decreased by subject motion, whereas many short-distance...
Paper Details
Title
Spurious but systematic correlations in functional connectivity MRI networks arise from subject motion
Published Date
Feb 1, 2012
Journal
Volume
59
Issue
3
Pages
2142 - 2154
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