I can't tell from your description what you are trying to do. Can you
elaborate?
doug
Wang, Xin wrote:
Hello, Freesurfer group,
In the tutorial of surface-based fMRI analysis, the active volume are
calculated from the entire depth of an given active vertex. I do not
think it is the best way to measure it since no all activities occupy
the entire depth of cortex. A logical way to get accurate active
volume is measuring the active verities of multiple planes (e.g., at
0.1 mm distance) and then constructing the active volume from activity
on these planes. A option (similar as --projfrac_max) can project the
sum of all planes on the surface, and 3D active volume can be viewed
in tkmedit.
Does Freesurfer currently have commands to achieve something like this
procedure?
I am looking forward to hearing from you ASAP.
Thanks,
Xin
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