it really depends on what the differences are. The best thing to do would be to scan some controls with both sequences and see what the differences are, although that won't rule out some disease-specific differences that you only see in the patients
On Thu, 28 Mar 2013, _andre...@sapo.pt wrote: > Hello list, > > I have a group of subjects (4 patients and 8 controls) in which one > MPRAGE sequence was used and another group of subjects (2 patients and > 2 controls) where a diffent MPRAGE was used. Both groups were acquired > in the same scanner. For each subject I have two anatomical sequences > and I'm working with the average dataset. My question is can I put > both groups together for comparision? > > I've thought about this and I can't really be sure... I was thinking > that since for group 2 the number of acquisitions is balanced maybe > the overall impact of different sequences won't be significative... > Patients and subjects are age-matched in both groups. > > Please, any advice will be greatly appreciated! > > Thank you! > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu 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.
