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Reposting to see if anyone has any explanations or comments. Thx. Jim
From: freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edu On Behalf Of Alexopoulos, Dimitrios Sent: Wednesday, August 03, 2022 10:33 AM To: Freesurfer support list freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] incorrect aseg/aparc but good surfaces
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External Email - Use Caution Any ideas what would be causing this issue with a 3yo subject run through 7.2. - see screenshots below. The white/pial surfaces look fine, but the left hem aseg/aparc have mostly labelled GM and little WM. The output from the aseg.stats are included below. Note the GM volumes looks reasonable but the left hem WM is low as indicated in the aseg.
Thanks. Jim
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# Measure lhCortex, lhCortexVol, Left hemisphere cortical gray matter volume, 305367.653313, mm^3 # Measure rhCortex, rhCortexVol, Right hemisphere cortical gray matter volume, 308463.210941, mm^3 # Measure Cortex, CortexVol, Total cortical gray matter volume, 613830.864253, mm^3 # Measure lhCerebralWhiteMatter, lhCerebralWhiteMatterVol, Left hemisphere cerebral white matter volume, 29082.113381, mm^3 # Measure rhCerebralWhiteMatter, rhCerebralWhiteMatterVol, Right hemisphere cerebral white matter volume, 164061.703793, mm^3 # Measure CerebralWhiteMatter, CerebralWhiteMatterVol, Total cerebral white matter volume, 193143.817174, mm^3
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