[Freesurfer] mean and stdev group-wise

2011-09-11 Thread Tetiana Dadakova
Dear list, I would like to calculate mean and stdev of thickness group-wise. Could you please give me a hint how to do it? Thank you, Tanja. ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/fre

[Freesurfer] flipped orientation in tksurfer and tkmedit

2011-09-11 Thread Ilana Hairston
Hi there, We recently had a problem that tksurfer and tkmedit were flipped relative to each other. Basically, when saving a point in the left hemisphere in tksurfer it it loaded in the right hemisphere in tkmedit. Any ideas how this could have happened? Thanks ilana -- ***

[Freesurfer] .img extension read as analyze even though hdr says nifti1

2011-09-11 Thread Satrajit Ghosh
hi all, when a .img extension file is passed to freesurfer routines, it is read in as analyze even if the header says it's a nifti image. we have observed that this causes a left-right flip in some cases. since a .img cannot exist without a header to be meaningful, shouldn't the appropriate type b

[Freesurfer] statical question recon-all -qcache -s (subject) ?

2011-09-11 Thread Knut J Bjuland
Hi Can I use a different version of Freesurfer to run recon-all -qcache -s (subject) than the version used for recon-all -all -s (subject)? Knut J ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listi

Re: [Freesurfer] statical question recon-all -qcache -s (subject) ?

2011-09-11 Thread Bruce Fischl
I think that's ok, right Nick? As long as you do all your subjects the same way Bruce On Sep 11, 2011, at 4:01 PM, Knut J Bjuland wrote: > Hi > > Can I use a different version of Freesurfer to run recon-all -qcache -s > (subject) than the version used for recon-all -all -s (subject)? > > Knu

Re: [Freesurfer] statical question recon-all -qcache -s (subject) ?

2011-09-11 Thread Nick Schmansky
correct. qdec uses mri_glmfit, which operates on data already processed (and so versioning is not an issue). the exception is that the 'volume' and 'area' measures shouldnt be selected as the independent variable (there is a problem that will fix that in the next release). n. > I think that's