Hi Christina

it's tough to tell from just a single image, but it looks to me like you are missing a bunch of white matter. Can you tell us more about the scan?

The typical way you would fix this is by setting some thresholds in mris_make_surfaces using the expert options. Probably max_csf should be lower. If you upload the subject we will take a look

cheers
Bruce


On Mon, 3 Nov 2014, Christina Chen wrote:

Hi,

Are there any ways to fix underinclusion of gray matter cortical edges when
the white matter is fine?  Attached is a picture.

Thanks,
Christina


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