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FSL Experts, I am using ICA AROMA to filter out motion from our preprocessed data. In our preprocessed data, only GM is smoothed (WM is not smoothened). My question is: Would providing preprocessed data, in which only the GM is smoothed, as the input for ICA AROMA lead to sub-optimal denoising? Is it recommended to use preprocessed data that is full brain smoothed (GM and WM) as the input for ICA AROMA? Will this help in better detection and classification of motion? Cheers, Chirag