Hi All,
I am working in ALS dementia patients where there is ventricle enlargement and more CSF filling when compared with controls. Since i am new to freesurfer and my knowledge of anatomy is limited i would like to clarify the following. Pial surface in right and left cerebral cortex looks suspicious to me, the brain extraction step left out some non brain regions, i tried to edit them but since some of the non brain regions are close to brain regions i didn't do too much editing for the fear of removing brain regions. I have attached a screen shot image in one of our subjects, kindly tell me whether the pial surface looks ok if not any suggestions to correct this problem.
Thanks in advance
venkat
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