Journal
NEUROIMAGE
Volume 154, Issue -, Pages 150-158Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.neuroimage.2016.08.009
Keywords
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Funding
- Intramural Research Program, National Institute of Mental Health/NIH [ZIAMH002920, NCT01031407]
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This short how to article describes a plot I find useful for assessing fMRI data quality. I discuss the reasoning behind the plot and how it is constructed. I create the plot in scans from several publicly available datasets to illustrate different kinds of fMRI signal variance, ranging from thermal noise to motion artifacts to respiratory related signals. I also show how the plot can be used to understand the variance removed during denoising. Code to make the plot is provided with the article, and supplemental movies show plots for hundreds of additional subjects.
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