Dear Freesurfer experts,
We have aparc+aseg.mgz segmentation and other files from Freesurfer version 4.0.2 . We do not have the original images, and so cannot easily reprocess with a later version.
I have looked at the release notes. I saw that version 4.0.2 has a problem with the estimated Total Intracranial Volume calculation and I have heard that there may be other issues. So I am wondering if you think it would be problematic to use these aparc+aseg.mgz files for overlay with the functional images for an ROI analysis.
Thank you, - Marilyn
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No, that should not be a problem.
doug
Keslerwest, Marilyn wrote:
Dear Freesurfer experts,
We have aparc+aseg.mgz segmentation and other files from Freesurfer
version 4.0.2 . We do not have the original images, and so cannot easily reprocess
with a later version.
I have looked at the release notes. I saw that version 4.0.2 has a
problem with the estimated Total Intracranial Volume calculation and I have
heard that there may be other issues. So I am wondering if you think it would
be problematic to use these aparc+aseg.mgz files for overlay with the functional
images for an ROI analysis.
Thank you,
- Marilyn
This message contains confidential information and is intended only for the individual named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission.
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Hi Marilyn,
if you have the orig.mgz you can reprocess from there. On the other hand, for functional analysis you're probably ok
cheers Bruce On Tue, 10 Aug 2010, Keslerwest, Marilyn wrote:
Dear Freesurfer experts,
We have aparc+aseg.mgz segmentation and other files from Freesurfer version 4.0.2 . We do not have the original images, and so cannot easily reprocess with a later version.
I have looked at the release notes. I saw that version 4.0.2 has a problem with the estimated Total Intracranial Volume calculation and I have heard that there may be other issues. So I am wondering if you think it would be problematic to use these aparc+aseg.mgz files for overlay with the functional images for an ROI analysis.
Thank you,
- Marilyn
This message contains confidential information and is intended only for the individual named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission.
freesurfer@nmr.mgh.harvard.edu
-
Bruce Fischl -
Douglas N Greve -
Keslerwest, Marilyn