Re: [Freesurfer] hippocampus volume normalization question

2012-03-01 Thread Douglas N Greve
It is whole-brain minus cerebellum and brain stem. But the current release has a bug and should not be trusted. See the email I sent out last week or look at the Release Notes page on our wiki for how to download a patch and regenerate the results. doug Rashmi Singh wrote: > Thanks so much Doug

Re: [Freesurfer] hippocampus volume normalization question

2012-02-29 Thread Douglas N Greve
You'll have to run it on each subject. Easy to do with a script. You can then cat the data into one fine (they are just text files). doug Rashmi Singh wrote: > Thanks Doug, > Do I need to run the following for each subject or can is there a way to > run it with input for all my subjects in one

Re: [Freesurfer] hippocampus volume normalization question

2012-02-29 Thread Douglas N Greve
oh, sorry, I do remember now that we took that out (I think we put it back in for the next release). The work-around is to run mri_binarize --i brain.mgz --min 0.1 --count count.dat --o junk.mgh You can delete junk.mgh. The file count.dat will have info about the number of voxels in the bra

Re: [Freesurfer] hippocampus volume normalization question

2012-02-28 Thread Douglas N Greve
In the aseg.stats file there is a value for the whole brain volume. doug Rashmi Singh wrote: > I would like know how can I get the sub-cortical volumes normalized it to > the whole brain. > Thanks, > Rashmi. > > On 2/28/12 3:14 PM, "Douglas N Greve" wrote: > > >> No, it does not. All volumes

Re: [Freesurfer] hippocampus volume normalization question

2012-02-28 Thread Douglas N Greve
No, it does not. All volumes are volumes in native anatomical space. doug Rashmi Singh wrote: > Hello. > I am using FreeSurfer to generate subcortical volumes and cortical > thickness for my subjects. > Does FreeSurfer normalizes the subcortical volumes to the whole brain > volume for each sub