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. Author manuscript; available in PMC: 2021 Jul 19.
Published in final edited form as: Nature. 2021 Jan 6;591(7849):270–274. doi: 10.1038/s41586-020-03115-5
MOTION 13 noise regressors indexing the time-varying signal distortions, including the mean signal intensity timecourse and 12 remaining principal components describing the volume-by-volume magnetic field distortions induced by limb and body movements as estimated during preprocessing.
LOWQ_VOLS Regressors flagging low-quality EPI volumes, suffering from strong artefacts, to be excluded from the analysis.