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Yes, they are the intensity statistics of different structures in the norm.mgz volume
Cheers Bruce
From: freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@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
External Email - Use Caution 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.tregidgo@ucl.ac.ukmailto:h.tregidgo@ucl.ac.uk> wrote:
External Email - Use Caution 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 ________________________________ From: freesurfer-bounces@nmr.mgh.harvard.edumailto:freesurfer-bounces@nmr.mgh.harvard.edu <freesurfer-bounces@nmr.mgh.harvard.edumailto:freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of Michael Mc Laughlin <michael@thecurate.commailto:michael@thecurate.com> Sent: 22 June 2023 05:08 To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edumailto:freesurfer@nmr.mgh.harvard.edu> Subject: Re: [Freesurfer] aseg stats meaning
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External Email - Use Caution 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 <michael@thecurate.commailto:michael@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 <dgreve@mgh.harvard.edumailto:dgreve@mgh.harvard.edu> wrote:
External Email - Use Caution Does this page help MailScanner has detected a possible fraud attempt from "secure-web.cisco.com" claiming to be https://secure-web.cisco.com/1HaOGaftXEoTeW1TWYKSX0tZ9WKjDw4ZWqGp1VcwM0bZvmU...https://secure-web.cisco.com/1F-wDRZ7N3n2UO0k_9V0JZrkwhWS1FVP8cCUZYoUh25ndlvyFQgDD9X4npDMJnq4iG6sw8lzaUQ4txp3pKKKBdxgWGSfxrg_w7ayu_SZxSP6GFfAo03VLWZPJxQaB607tG_I_VHJKxYGkgxewRwM4mO8-XkQym0J1tNByGV1VIzLgqLmtz5KD6tC3Jw_TjN1igR_qRkKi1tO2yipx2cVMcTZLO6qSxs8WmQbqmhy1Pmrw5QKIn7Lhuf91Kz7rSNupNVS9bVMpMIj0uYPrGxgiMg/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2FMorphometryStats ? On 6/20/2023 8:16 AM, Michael Mc Laughlin wrote:
External Email - Use Caution 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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