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Dear FreeSurfer Experts,
I am Tien Pham, I am stucked at this situation. I calculated longitudinal
LGI changes in my data set with two time points using longitudinal
pipeline. Now I would like to extract the regional LGI and gray matter
volume in my longitudinal results using QDEC to draw the ROIs which is
showed significant differences, label it and map to all subjects. Then I
get the LGI value of the ROI I saved before using the command below:
cd $SUBJECTS_DIR
mris_anatomical_stats -l lh.untitled.label \
-t lh.pial_lgi \
-b \
-f subject_id/stats/lh.untitled.stats subject_id lh
And this is the result:
[toyama-no-iMac:/applications/freesurfer/subjects] toyama%
mris_anatomical_stats -l lh.frontoinsula.label \
? -t lh.pial_lgi \
? -b \
? -f VC019_1/stats/lh.frontoinsula.stats VC019_1 lh
limiting computations to label lh.frontoinsula.label.
using thickness file lh.pial_lgi.
reading volume /applications/freesurfer/subjects/VC019_1/mri/wm.mgz...
reading input surface
/applications/freesurfer/subjects/VC019_1/surf/lh.white...
reading input pial surface
/applications/freesurfer/subjects/VC019_1/surf/lh.pial...
reading input white surface
/applications/freesurfer/subjects/VC019_1/surf/lh.white...
table columns are:
number of vertices
total surface area (mm^2)
total gray matter volume (mm^3)
average cortical thickness +- standard deviation (mm)
integrated rectified mean curvature
integrated rectified Gaussian curvature
folding index
intrinsic curvature index
structure name
6595 4368 15935 3.311 0.895 0.158 0.077 135 19.7
lh.frontoinsula.label
As I saw there was no columns showing the LGI value, I did similar with
gray matter volume, the result displayed the different in some values of
the columns.
Could you please help me to explain about this?
Thank you very much.
Best regards,
Tien Pham
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