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Dear Freesurfer Community! Recently I started working with Freesurfer and had a number of subjects processed through the pipeline (recon-all -autorecon-all -subjid subjname) without error. So far I am mainly interested in the outcome of the segmentation of subcortical regions found in ../stats/aseg.stats. However, of about 20% of the scans the calculated volumes were far below the normal range. I couldnt figure out why it sometimes doesnt work properly. All scans came from the same scanner, protocol, had same orientation, etc. Perhaps I need some "finetuning"? How can I manage to make the segmentation work correctly though? thanx in advance! Markus -- Markus Savli, MSc. Functional, Molecular and Translational Neuroimaging - PET & MRI Department of Psychiatry and Psychotherapy Medical University of Vienna Waehringer Guertel 18-20, 1090 Wien, Austria Phone: +43.1.40400.2318 Web: www.meduniwien.ac.at/neuroimaging |
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