Re: [Freesurfer] Labels for comparison

2012-07-18 Thread Bruce Fischl
sure. You can look at the papers by Kennedy, Caviness and Makris On Wed, 18 Jul 2012, John Drozd wrote: > Hi Bruce, > > Thank you very much for your clarifications. I will ask ADNI for their > permission and I will consult CMA for their definitions. > > Thank you, > Have a great day, > John > >

Re: [Freesurfer] Labels for comparison

2012-07-18 Thread John Drozd
Hi Bruce, Thank you very much for your clarifications. I will ask ADNI for their permission and I will consult CMA for their definitions. Thank you, Have a great day, John Sent from my iPhone 4S On 2012-07-18, at 6:42 AM, Bruce Fischl wrote: > Hi John > > we follow the conventions of the

Re: [Freesurfer] Labels for comparison

2012-07-18 Thread Bruce Fischl
Hi John we follow the conventions of the Center for Morphometric Analysis (CMA) here at MGH. I'm not actually sure what landmarks they use to separate what they call "inferior lateral ventricle" from the main one, but you can check with them. As for ADNI, we might have that data but I'm not su

Re: [Freesurfer] Labels for comparison

2012-07-17 Thread John Drozd
Hi Bruce, I apologize for my detailist nature. I found the csv files on the ADNI web site containing the numerical values of volume in mm^3 numbers. Do you mean that there should also be the corresponding label maps on the ADNI web site, particularly of the third and lateral ventricles? I kno

Re: [Freesurfer] Labels for comparison

2012-07-17 Thread Bruce Fischl
Hi John have you checked with the ADNI folks? I think they have FreeSurfer segmentation on many if not most of their subjects. We place no connectivity constraints on the ventricular segmentations because they get so thin that indeed sometimes 1mm data cannot resolve the connections. So sometim