Re: [Freesurfer] Basal Ganglia Segmentation

2016-02-11 Thread Syeda Wajiha Maryam
I definitely meant to type *Dear in my email. Cheers, Maryam On Thu, Feb 11, 2016 at 2:57 PM, Syeda Wajiha Maryam wrote: > Fear Freesurfer Experts, > > I have a feeling this question has been asked already but I'm still > confused about it. Is there a way to extract the basal ganglia structure

Re: [Freesurfer] Basal Ganglia Segmentation

2016-02-11 Thread Bruce Fischl
sure, we segment putamen, pallidum and caudate as part of the aseg.mgz (and nucleus accumbens, although that is less well-defined) On Thu, 11 Feb 2016, Syeda Wajiha Maryam wrote: > Fear Freesurfer Experts, > > I have a feeling this question has been asked already but I'm still confused > about

[Freesurfer] Basal Ganglia Segmentation

2016-02-11 Thread Syeda Wajiha Maryam
Fear Freesurfer Experts, I have a feeling this question has been asked already but I'm still confused about it. Is there a way to extract the basal ganglia structure using freesurfer? Thanks in advance for your help! Regards, Maryam ___ Freesurfer mail

Re: [Freesurfer] Basal Ganglia Segmentation

2007-01-24 Thread Bruce Fischl
Hi Paul, yes, we know this happens - it's because of the way the manual training set was constructed, so that it has voxels labeled cortex there that shouldn't exist. The accumbens in general isn't all that accurate as it has no real intensity signatures at its boundaries, so we don't use it a

Re: [Freesurfer] Basal Ganglia Segmentation

2007-01-24 Thread Bruce Fischl
p.s. sorry, I should have looked at the images first. Everything I said still applies, but this looks worse than it should. If you put it one our filedrop I'll take a look On Wed, 24 Jan 2007, Paul Greenberg wrote: Hello, I'm having trouble getting an accurate subcortical segmentation (aseg.m