On Fri, Jun 8, 2012 at 8:22 PM, Bruce Fischl <fischl@nmr.mgh.harvard.edu> wrote:

Hi Nicole
If you upload some examples we will take a look. What version as you running? Have you checked the accuracy of the talairach.xfm?

Cheers
Bruce

On Jun 8, 2012, at 11:19 AM, Nicole Senecal <senecaln@mail.med.upenn.edu> wrote:

> Hi,
>
> In reconstructing some normal adult MPRAGEs, I've had a couple of different fairly large errors that I haven't been able to fix:
> (1) In a handful of subjects, more than half of the brain is lost, I think during the skullstripping step (ie, isn't present on the white matter or brainmask volumes later). This seems to be primarily on scans from a 3T Siemens with a 32channel head coil. I have tried adding control points, but this doesn't help.
> (2) In another handful of subjects, a large portion of the cerebellum is designated as cortex, and is labeled on the aseg maps.
>
> Any suggestions on how to fix these two types of problems?
>
> thanks,
> Nicole
>
>
> --
> Nicole Senecal
> Neuroscience Graduate Group
> Kable Lab
> 3720 Walnut St., Room C37
> Philadelphia, PA 19104
> Lab phone: 215-746-4371
>
>

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Nicole Senecal
Neuroscience Graduate Group
Kable Lab
3720 Walnut St., Room C37
Philadelphia, PA 19104
Lab phone: 215-746-4371