Re: [Freesurfer] question on invoking partial volume calculations in freesurfer 4.3

2012-11-30 Thread John Drozd
Thanks Doug. Do you know if the Freesurfer volumes in mm^3 that are posted on the ADNI website (particularly the longitudinal studies) include partial volume corrections? i.e., if they were run to include partial volume calculations? Thank you, John On 2012-11-30, at 3:11 PM, Douglas N Greve w

Re: [Freesurfer] question on invoking partial volume calculations in freesurfer 4.3

2012-11-30 Thread Douglas N Greve
Hi John, it has been a long time since I looked at version 4.3, so I don't know if it can or not. One thing you can try is to use the version 5.x mri_segstats (the program which computes the aseg.stats table). You could run this outside of recon-all and generate a file with a different name. Th

[Freesurfer] question on invoking partial volume calculations in freesurfer 4.3

2012-11-30 Thread John Drozd
Hello, My freesurfer version is freesurfer-Linux-centos4_x86_64-stable-pub-v4.3.0 I noticed that the aparc+aseg.mgz label map is resampled to 1mm x 1mm x 1mm voxels, eventhough the .mgz grayscale mri image file remains as per the original voxel size and is not 1x1x1. mri_convert .nii to .mgz tra