Bruce,
Thank you for such a quick response. I have attached a link to the T1
dicom files. The T1 was acquired using an MP rage sequence.
Thalamic T1 Files
<https://docs.google.com/a/umn.edu/folderview?id=0B1unp6YW0CrXc18zckIteUcyYTg=drive_web>
Thanks,
Ben (University of Minnesota, Noam Harel's Lab)
On Tue, Oct 6, 2015 at 11:45 AM, Bruce Fischl <fis...@nmr.mgh.harvard.edu>
wrote:
> Hi Ben
>
> if you upload the datasets we will take a look. I imagine this is due to
> dielectric resonance effects. What sequence did you use?
>
> Bruce
> On Tue, 6 Oct 2015,
> Benjamin Peterson wrote:
>
> > We have three 7T scans of the same person done on separate days. After
> > running all three T1 images using the "recon-all" function, we obtain
> > thalamic volumes. The volumes varied by up to 25% which seems quite
> drastic
> > for the same person. Is there a way to decrease this variability? Are
> there
> > some parameters to change for 7T? Would the subcortical segmentation work
> > better with a T2 or DTI image?
> > Thanks in advance,
> > Ben
> >
> >
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