[Eeglablist] order of rythm isolation and ICA

[Vadlamani Samhitha]

Hi list . I have an urgent query . Can rythm isolation ( mu and beta ) be
done on EEG.data before running ICA and the resulting activation matrix (
obtained directly as a matrix in eeglab ) be used for feature extraction ?
However , the following paper
https://arxiv.org/ftp/arxiv/papers/1312/1312.2877.pdf has done it
differently . It performed ICA first and then performed rythm isolation
which changes only the EEG.data ( say EEG.data_new) and then asks to
perform weights*sphere*(EEG.data_new-meandata) . Which one is correct ?
Thank you .
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