Hello Experts,
Do the csf and wm time series need to be regressed out on an individual level in order to correct rs-fMRI filtered_func_data.nii.gz prior to group level roi-seed correlation analysis? Or can this somehow be done on a group level? If so, then what is the best way to obtain the group level csf & wm time series for regression?
Thank you much!
Varina
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