nt distortion
from the scan ("dewarping"). if you did that for one time point and not
the other, then you could get a big diff in ICV
Sincerely,
Gonzalo Rojas Costa
>Message: 6
>Date: Thu, 10 Sep 2020 12:42:41 -0400
>From: "Douglas N. Greve" <mailto:dgr...@
reprocess ?
Other question... what do you mean with " You might be comparing dewarped
vs not dewarped"
Sincerely,
Gonzalo Rojas Costa
>Message: 6
>Date: Thu, 10 Sep 2020 12:42:41 -0400
>From: "Douglas N. Greve"
>Subject: Re: [Freesurfer] big difference betwe
It all comes down to the registration. See
https://surfer.nmr.mgh.harvard.edu/fswiki/eTIV
The image may have more-or-less neck and that can change the
registration and ICV. The contrast may be different. The scanner may
have had software updates. You might be comparing dewarped vs not dewarped.
External Email - Use Caution
Hi:
Why I got a big ICV difference between MPRAGE of the same patient (2019:
1775887.317631, 2020: 1566398.53576 mm3), one-year difference acquisition,
and the same MRI Skyra 3T equipment? I used freesurfer 5.1.0 on the same
computer, and operating s
