Hi Michelle, the time series is an average over the ROI right? If so, then it should be independent of any future registration. In any case, aseg2feat will create an ROI in the native functional space which is where FEAT does its analysis, so I think you're fine in any case. doug
Michelle Umali wrote: > Dear Freesurfers, > I am using seeds based on Freesurfer masks to run a PPI analysis and > am wondering if I am using reg-feat2anat at the right fsl feat > registration step. > > First, I ran an fsl analysis to generate a feat directory. > Then I ran reg-feat2anat using that feat directory. > Next I ran aseg2feat and fslmaths to generate binary masks > Next I extracted the timeseries by using the filtered func of the feat > and the binary masks from aseg2feat. > > So now I want to do another feat analysis, but this time using the > extracted timeseries > But this timeseries is based on the first feat and associated masks > from the reg-feat2anat registration. > > 1) Is it still valid to use this timeseries in this new feat since FSL > will be running another registration? > 2) Do I have to run reg-feat2anat again? > > Thanks. > Michelle > > > > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Freesurfer mailing list > [email protected] > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center [email protected] Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ Freesurfer mailing list [email protected] https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
