It depends on how you measure the FWHM that you are going to plug into
GRF. How are you computing it? If you are using our tools, then you
would use neither. Rather, you'd use the average surface area for the
group. This is stored in the average surface. You can determine it with
mris_info
jorge luis wrote:
Thank you Bruce and Moo Chung
I will try with those tools
I have another question:
If I want to use GRFT on smooth thickness spms over
the fsaverage subject , should I use the fsaverage
white matter total surface area which is 70394.7 mm2
or the group average surface area which is 86444.7
mm2?
In advance thank you
Jorge
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