Re: [Freesurfer] Caudate volume error in Huntington´s disease

2010-03-30 Thread Bruce Fischl
have you visually inspected the aseg volumes? Are the caudates accurate or overestimated? This can certainly happen if the caudate is dramatically smaller than any of the examples in our training set On Tue, 30 Mar 2010, Diego Herrera wrote: Hello I tried recon-all in a patient with Hunting

Re: [Freesurfer] Caudate volume error in Huntington´ s disease

2010-03-30 Thread Julie McEntee
I also use FS to identify subcortical atrophy with affected HD patients; have you checked the aseg, as well as white & pial surfaces for accuracy? I have found in some of my older data at lower resolution (1.5 T) that the intensities do not differ much in subcortical regions and FS has problems dif