Cited by 3,748Functional Brain Connectivity StudiesAdvanced MRI Techniques and ApplicationsAdvanced Neuroimaging Techniques and Applications

The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.

Methods to detect, characterize, and remove motion artifact in resting state fMRI

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Abstract

Head motion systematically alters correlations in resting state functional connectivity fMRI (RSFC). In this report we examine impact of motion on signal intensity and RSFC correlations. We find that motion-induced signal changes (1) are often complex and variable waveforms, (2) are often shared across nearly all brain voxels, and (3) often persist more than 10s after motion ceases. These signal changes, both during and after motion, increase observed RSFC correlations in a distance-dependent manner. Motion-related signal changes are not removed by a variety of motion-based regressors, but are effectively reduced by global signal regression. We link several measures of data quality to motion, changes in signal intensity, and changes in RSFC correlations. We demonstrate that improvements in data quality measures during processing may represent cosmetic improvements rather than true correction of the data. We demonstrate a within-subject, censoring-based artifact removal strategy based on volume censoring that reduces group differences due to motion to chance levels. We note conditions under which group-level regressions do and do not correct motion-related effects.

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Crossref · 10.1016/j.neuroimage.2013.08.048

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Metadata

Authors
Power, J. D., Mitra, A., Laumann, T. O., Snyder, A. Z., Schlaggar, B. L., & Petersen, S. E.
Affiliations
Washington University in St. Louis (US)
Corresponding author
Power, Jonathan D.
Venue
NeuroImage
Publisher
Elsevier BV
Published
2014-01
Volume
84
Pages
320-341
ISSN
1053-8119 (ISSN-L)
OpenAlex
W1973776237
Cited by
3,748
References
38
Citations by year
2026: 347 · 2025: 458 · 2024: 444 · 2023: 367 · 2022: 368 · 2021: 374 · 2020: 328 · 2019: 284 · 2018: 249 · 2017: 186 · 2016: 160 · 2015: 114 · 2014: 60
FWCI
61.98
Type
journal article
Language
en
Open access
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NIH (F30 MH940322, R21NS061144, 5R01 HD057076-03-S1, R01HD057076, U54MH091657, P30 NS048056)
  • McDonnell Foundation Collaborative Action Award
  • Simons Foundation Award (95177)
  • Intellectual and Developmental Disabilities Research Center (NIH/NICHD P30 HD062171)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
Keywords
head movement, motion artifacts, resting-state functional connectivity, global signal regression, motion correction, signal intensity changes, data quality metrics
MeSH terms
Adolescent, Adult, Algorithms, Brain, Brain Mapping, Female, Humans, Image Enhancement, Image Interpretation, Computer-Assisted, Magnetic Resonance Imaging, Male, Motion, Pattern Recognition, Automated, Rest, Sensitivity and Specificity, Subtraction Technique, Reproducibility of Results, Artifacts, Head Movements, Young Adult

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