Re: [Freesurfer] Total brain tissue volume

2012-12-13 Thread Louis Nicholas Vinke
_ > From: freesurfer-boun...@nmr.mgh.harvard.edu > [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Douglas N Greve > [gr...@nmr.mgh.harvard.edu] > Sent: Thursday, December 13, 2012 11:34 AM > To: freesurfer@nmr.mgh.harvard.edu > Subject: Re: [Freesurf

Re: [Freesurfer] Total brain tissue volume

2012-12-13 Thread Alexopoulos, Dimitrios
Subject: Re: [Freesurfer] Total brain tissue volume Hi Jim, in 4.4, the Brain Segmentation Volume is basically just an adding up of the volumes in aseg.stats, but it includes ventricles, so you would need to subtract those out. Newer versions of FS have a BrainSegVolNotVent which is the volume of ti

Re: [Freesurfer] Total brain tissue volume

2012-12-13 Thread Douglas N Greve
Hi Jim, in 4.4, the Brain Segmentation Volume is basically just an adding up of the volumes in aseg.stats, but it includes ventricles, so you would need to subtract those out. Newer versions of FS have a BrainSegVolNotVent which is the volume of tissue. doug On 12/13/2012 12:32 PM, Alexopoulos

[Freesurfer] Total brain tissue volume

2012-12-13 Thread Alexopoulos, Dimitrios
Hi FS users, We've generated surfaces using FS v4.4 and would like to determine total brain tissue volume for each of our cases. Would this correspond to the 'Brain Segmentation Volume' which is standard in the output aseg.stats file. How is the 'Brain Segmentation Volume' determined, and