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Hello,
I am a student learning free surfer. I was able to obtain intracranial volume by running 

recon-all   –i  file.dcm   –subject  bert –autorecon1

and then

mri_segstats --subject bert --etiv-only

 

How can I obtain the BrainSegNotVent volume? I have tried 

mri_segstats --subject bert --brain-vol-from-seg 

 

however, “ERROR: must specify a segmentation volume”

 

Can this be calculated using the data from autorecon1, or do I need to run -all? Which segmentation do I need to specify? 

 

My contact information is below,

Thank you!

-- 

Thomas Harkey
University of Arkansas for Medical Sciences

College of Medicine, Class of 2022
501-553-6318

TJHarkey@uams.edu

 

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