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You may calculate the absolute or relative motion. Look at papers by JD power. On Tue, Jan 15, 2019 at 4:21 PM Jacob Antony Alappatt < [log in to unmask]> wrote: > Our diffusion data was acquired with a bed that had been reportedly > vibrating. We want to make sure none of our results are correlated with > motion. > > After running eddy (from FSL/5.0) we end up with 6 motion (3 rotation & 3 > translation) parameters, for each volume of the acquisition. If I want a > single number from this acquisition, to be used as a regressor, or for > correlations, how would I post-process this file? > > It can't be as simple as averaging across all volumes, plus I don't know > how to transform the 6 motion parameters into a single representative > value, per volume. Any help on this would be great. > > ######################################################################## > > To unsubscribe from the FSL list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1 > ######################################################################## To unsubscribe from the FSL list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1