Re: [Freesurfer] How is Total cortical gray matter volume calculated?

2020-10-27 Thread Douglas N. Greve
Yes, based on the surfaces. We use Anderson Winkler's truncated pyramid method. On 10/22/2020 5:55 AM, Ian Hardingham wrote: > External Email - Use Caution > > Hi Freesurfers, > > Is "total cortical gray matter volume" from aseg.stats calculated based > on the recon-all Surfaces?  Or usi

Re: [Freesurfer] How is Total cortical gray matter volume calculated

2020-04-27 Thread Douglas N. Greve
The volume between the surfaces is calculated On 4/25/2020 2:56 AM, Ian Hardingham wrote: > External Email - Use Caution > > Morning Freesurfers. > > Can you describe how the FS stat Total cortical gray matter volume is > calculated from the files in the freesurfer subject directory?  Is

Re: [Freesurfer] How is Total cortical gray matter volume calculated

2020-04-25 Thread Xiaojiang Yang
External Email - Use Caution Ian, You can use the mris_anatomical_stats command with the -b option. E.g., mris_anatomical_stats -b subjectid lh will give you a tabular output containing the total gray matter volume in the 3rd column: 128449 86239 *243375 *2.588 0.876 0.123