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Yes, they are the intensity statistics of different structures in the norm.mgz
volume
Cheers
Bruce
From: freesurfer-boun...@nmr.mgh.harvard.edu
<freesurfer-boun...@nmr.mgh.harvard.edu> On Behalf Of Michael Mc Laughlin
Sent: Thursday, June 22, 2023 6:10 AM
To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] aseg stats meaning
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Hi Henry,
When you say regional image values, do you mean image intensity values? That
could be it.
I had expected they would refer to volume somehow, but that doesn't make sense
because some larger regions have smaller means.
Volume_mm3 StructName normMean normStdDev normMin
normMax normRange
63156.2 Left-Cerebellum-Cortex 59.8986 10.1165
9.0000 97.0000 88.0000
9637.1 Left-Thalamus 86.9616 8.9621
32.0000 113.0000 81.0000
Michael
On Thu, Jun 22, 2023 at 10:36 AM Tregidgo, Henry
<h.tregi...@ucl.ac.uk<mailto:h.tregi...@ucl.ac.uk>> wrote:
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I believe these are describing the regional image values extracted from the
bias corrected and normalised input image. They give the mean, standard
deviation, minimum, maximum and range for each ROI.
The relevant image should be saved as $SUBJECT_DIR/subject_id/mri/norm.mgz.
Hope this helps,
Henry
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From:
freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>
<freesurfer-boun...@nmr.mgh.harvard.edu<mailto:freesurfer-boun...@nmr.mgh.harvard.edu>>
on behalf of Michael Mc Laughlin
<mich...@thecurate.com<mailto:mich...@thecurate.com>>
Sent: 22 June 2023 05:08
To: Freesurfer support list
<freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>>
Subject: Re: [Freesurfer] aseg stats meaning
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Does anyone know what the column headings: normMean normStdDev normMin normMax
normRange are telling us?
On Tue, Jun 20, 2023 at 3:23 PM Michael Mc Laughlin
<mich...@thecurate.com<mailto:mich...@thecurate.com>> wrote:
That solves the Supratentorial volume question, but it doesn't explain the
normMean normStdDev normMin normMax normRange column headings
On Tue, Jun 20, 2023 at 3:02 PM Douglas N. Greve
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On 6/20/2023 8:16 AM, Michael Mc Laughlin wrote:
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What do the numbers in these columns mean? I cannot find an explanation in any
of the documentation.
normMean
normStdDev
normMin
normMax
normRange
Also, there are two rows labelled Supratentorial volume. Is one a typo?
Supratentorial volume
1304730
mm^3
Supratentorial volume
1228063
mm^3
Michael McLaughlin,
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