Hi Bruce, I got no answer to my questions below with files provided thanks to FileDrop.
Could you tell me if you received these questions and associated files ? Thanks in advance ! Best regards, Matthieu 2015-12-04 15:17 GMT+01:00 Matthieu Vanhoutte <matthieuvanhou...@gmail.com>: > Hi Bruce, > > Exactly I want to be sure that I process my data in the same way, so not > introduce bias with partially use of -bigventricles option. > > 1) I tried the recon-all process on AD patient with big ventricles and > atrophy with and without the -bigventricles option. I am not pretty sure of > which process is the best in terms of segmentation according the aseg.mgz ? > (I'll send you T1 and aseg.mgz for the two process) > 2) Considering cortical atrophy, a lot of gray matter hasn't been taken > account in the cortex segmentation. Is there an automatic way to improve > the cortical segmentation in case of visible atrophy ? > > Best regards, > Matthieu > > > 2015-12-03 18:03 GMT+01:00 Bruce Fischl <fis...@nmr.mgh.harvard.edu>: > >> Hi Matthie >> >> do you find that it doesn't work well without bigventricles? You just >> want to be sure that you process your data in the same way so there is no >> bias in the results. We have found that most early AD cases work fine >> without needing special flags. It's more for late stage AD or >> hydrocephalus >> and such. >> >> cheers >> Bruce >> >> >> >> On Thu, 3 Dec 2015, Matthieu >> Vanhoutte wrote: >> >> > Dear FreeSurfer experts, >> > >> > My question is in the title. I'm working on Alzheimer case where most >> of the cases have large >> > ventricles. Is it better in general use to apply -bigventricles option >> on all subjects (for >> > homogeneous calculus or something like that...) or to distinct subtle >> cases of patients with not so >> > big ventricles ? >> > >> > Thanks in advance for helping ! >> > >> > Best regards, >> > >> > Matthie >> > >> > >> _______________________________________________ >> 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. >> >> >
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