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

[Freesurfer] hippocampus volume normalization question

2012-02-28 Thread Rashmi Singh
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 subjects. Let me know. For among subjects comparison I am assuming that the sub cortical volumes generat