Hi Rosalia

try changing the window/level or min/max in the display of the volume.
Although the brainmask intensities are irrelevant. Anything <5 will be
masked out, so as long as it more-or-less outlines the brain v nonbrain
boundary you should be fine.

cheers
Bruce



On Fri, 23 Nov 2018, Rosalia Dacosta Aguayo wrote:

>
>         External Email - Use Caution        
>
> Dear Free Surfer experts,
> I am experiencing a problem with 4 participants. Whrn I open the brainmask with freeview, it appears
> white (binarized). I was editing this brainmask and at sone point I switched something and it
> changed to white. I deleted alk the files and I run recon-all - autorecon1. The problems persists
> and recob-all -autorecon1 finished with errors. I do not know how to solve this problem. I would
> much appreciate your help.
>
> Best regards,
> Rosalia
>
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