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Dear experts,
When calculating global thickness, is it fine to simply use an average of
lh.thickness and rh.thickness, or is it necessary to weight it according to the
area of each hemisphere, so that the calculation is (lh.thickness x lh.area +
rh
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Hi Freesurfers,
We are collaborating with a group at Michigan that planss to use
Freesurfer's longitudinal pipeline to process T1 data collected from
children (see brief project summary below) at multiple time points. Our
role is to oversee recon QA an
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I was searching the FS list archives and came across this now very old
question. For the record, the DKT40 classifier in the FreeSurfer
distribution is the same as the one described in the paper. The DK and DKT
atlases are very similar. The goal for con
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The Behavioral Science Division (Boston) of the National Center for
Postraumatic Stress Disorder is strongly tied to the Neuroimaging Research for
Veterans (NeRVe) Center at VA Boston. Imaging candidates with interest in
military-associated traumatic
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Hi Bruce,
I mean cortical, as many grey matter regions were not accpunted for in the
segmentation: parietal lobe...I do not know how to edit them, where to make
the changes and save them and re-run the appropiate command. I think I
uploaded one image a
Hi Rosalia
do you mean cortical or subcortical? Aseg or surfaces?
cheers
Bruce
On Fri, 11 Jan 2019,
Rosalia Dacosta Aguayo wrote:
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Dear Free Surfer team,
Sorry for double posting but I need your help on this (see below).
Best regards,
Rosalia
-
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Dear Free Surfer team,
Sorry for double posting but I need your help on this (see below).
Best regards,
Rosalia
-- Forwarded message -
From: Rosalia Dacosta Aguayo
Date: jue., 10 ene. 2019 17:10
Subject: How to make grey matter edits
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Dear FS experts,
I resampled PET images for multiple subjects I used mri_vol2surfe to move these
images onto fsaverage, not I have for every subject lh.PET and rh.PET
How can I create the average of multiple surfaces. For example:
on the left hemisphe
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Dr. Greve,
Thank you for this information. The input to mri_glmfit was an mgh file of
structural MRI data from several subjects warped into a common space and
concatenated. What would that make the units of the input (--y) file and
the output gamma fil
Have you checked the registration between the structural and diffusion? The
concern here would be that some of your subjects' brains could look more like
bert's brain than others, and the registration could be better for the former
than the latter. You would have to ensure that this doesn't intr
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Hi Anastasia,
thank you for your rapid response. Since I do not have the T1 of my
subjects, I have not run the recon-all. Instead of that, I have copy-pasted
the "mri" folder (including the aparc+aseg.mgz file) located in
$FREESURFER_HOME/freesurfer/su
Hi Ainara - What do you mean by default freesurfer files? Can you describe how
you created each subject's recon-all style directory under SUBJECTS_DIR?
TRACULA looks for $SUBJECTS_DIR/$subjectid/mri/aparc+aseg.mgz for each subject
ID.
a.y
On Jan 11, 2019 8:30 AM, Ainara Gomez wrote:
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Dear Freesurfer experts,
I am trying to run TRACULA as a complementary analysis on a patients and
healthy controls sample. I have read in the tutorial that it is assumed
that FreeSurfer has already been run on all the subjects' T1-weighted data
because
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