I cannot replicate this, eg
In matlab
a = fast_vol2mat(MRIread('gtm.nii.gz'));
a(1:10)
Columns 1 through 7
0.7957 1.0565 1.5711 1.7842 1.8625 1.9539 1.2499
Columns 8 through 10
1.3188 1.4063 1.2536
From gtm,.stats.dat
1 2 Left-Cerebral-White-Matter wm 25583
10872.101 0.796 0.1501
2 7 Left-Cerebellum-White-Matter wm 1472 691.994
1.057 0.1843
3 8 Left-Cerebellum-Cortex subcort_gm 5326
2833.077 1.571 0.1451
4 10 Left-Thalamus-Proper subcort_gm 643 333.888
1.784 0.1808
5 11 Left-Caudate subcort_gm 353 117.232
1.863 0.1650
6 12 Left-Putamen subcort_gm 576 256.726
1.954 0.1543
7 13 Left-Pallidum subcort_gm 146 52.532
1.250 0.0782
8 16 Brain-Stem subcort_gm 1139
517.830 1.319 0.2061
9 17 Left-Hippocampus subcort_gm 477 174.082
1.406 0.1226
10 18 Left-Amygdala subcort_gm 186 65.184
1.254 0.0847
You can see that the values match
On 3/3/2020 12:39 PM, Laboratorio de Neurociencia Funcional wrote:
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Dear Freesurfer experts,
I have compared the PVC uptake values of gtm.stats with the values of
gtm.nii.gz with the function load_nii in matlab. I noted
that values in matlab are reversed, i. e., the first value in
gtm.stats matches with the last value in gtm.nii.gz and so on.
Could you confirm me that nopvc.nii.gz values are also reversed
when loaded with load_nii in matlab? I have no way to check this.
Thank you in advance.
Best, Marina
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