Hi,
In my group we would need to use some form of high-pass filtering or detrending but already in the preprocessing phase, given that our analysis is not a standard analysis we can do in SPM. As it is in SPM, the filtering is only done while specifying a design matrix in the statistical modeling phase of the pipeline.
Is it possible to high-pass filter or detrend the fMRI data during the preprocessing and save it as such for further analysis elsewhere (before experimental design)?
Thank you,
PE
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