oh, then I think you are just showing the surface-based label, which will
only fill voxels that intersect with the white surface I believe. To
sample it into the volume try mri_label2vol with the --fill-ribbon flag
(the help is pretty extensive).
cheers
Bruce
On Mon, 22 Jan 2018, m.ba...@uliege.be
wrote:
Dear Bruce,
Thank you for your answer!
I just display the "T1.mgz" image (mri folder) using Freeview and then loaded the
"lh/rh.perirhinal_exvivo.label" rois (label folder).
If this is not the good way to do it, please, could you explain more the
procedure? What do you mean by MT and PC?
Thank you very much in advance,
Best regards,
Mohamed
----- Mail original -----
De: "Bruce Fischl" <fis...@nmr.mgh.harvard.edu>
À: "Freesurfer support list" <freesurfer@nmr.mgh.harvard.edu>
Envoyé: Vendredi 19 Janvier 2018 16:53:18
Objet: Re: [Freesurfer] freesurfer segmentation: perirhinal Roi
Hi Mohamed
how are you visualizing the MT or PC ROIs. Did you sample them into the
volume? If so, can you tell me where the file ROIs are in the data you
sent me?
cheers
Bruce
On Fri, 19 Jan 2018, m.ba...@uliege.be wrote:
Dear Bruce,
Many thanks for your kind help!
I put the subject data on your ftp site (s8201.tar).
Best regards,
Mohamed
----- Mail original -----
De: "Bruce Fischl" <fis...@nmr.mgh.harvard.edu>
À: "Freesurfer support list" <freesurfer@nmr.mgh.harvard.edu>
Envoyé: Jeudi 18 Janvier 2018 16:37:10
Objet: Re: [Freesurfer] freesurfer segmentation: perirhinal Roi
Hi Mohamed
if you tar, gzip and ftp this subject to our ftp site we will take a look
cheers
Bruce
On
Thu, 18 Jan 2018, m.ba...@uliege.be wrote:
Dear Bruce,
Attached is the screen shot of the results of the segmentation of the
perirhinal Roi with Freesurfer V6. Unfortunately, as with V5 the segmented Roi
does not cover the entire cortical thickness of the region. Is there any other
alternative to get a better segmentation of this region?
Many thanks in advance,
Best regards,
Mohamed
----- Mail original -----
De: "Bruce Fischl" <fis...@nmr.mgh.harvard.edu>
À: "Freesurfer support list" <freesurfer@nmr.mgh.harvard.edu>
Envoyé: Mardi 9 Janvier 2018 14:50:16
Objet: Re: [Freesurfer] freesurfer segmentation: perirhinal Roi
Hi Mohamed
I'm pretty sure this was an issue with the ribbon-filling in V5 that is
better in V6. Try using it and see if it is fixed.
cheers
Bruce
On Tue, 9 Jan 2018,
m.ba...@uliege.be wrote:
Dear Freesurfer experts,
We would like to use volume and cortical thickness measures obtained for the
perirhinal cortex in Freesurfer 5. When checking the region that has been
segmented (using lh/rh.perirhinal.label), we noticed that the ROI does not seem
to cover the entire cortical thickness of the region. On the coronal slice
shown in example (attached file), one can see that there are still a few voxels
of gray matter between the external border of the ROI and the external boundary
of the cortex. How reliable is this segmentation? Is there a reason why the ROI
appears so thin?
Many thanks in advance,
Best regards,
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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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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
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but does not contain patient information, please contact the sender and properly
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