Dear Freesurfer exerts,
I read sentences similar to this one in multiple publications (e.g.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3500581/)
"Power analyses were carried out using vertex-wise variance estimates from the
coregistered cortical thickness maps, systematically varying processing
parameters. "
Please how can I use freesurfer to do power analysis. Cortical thickness
(vertex-based analysis) is very well documented in Freesurfer wiki. How can I
use the output of this analysis (i.e. gamma.mgh and the gammavar.mgh ) to
measure the power.
I highly appreciate any advice.
John
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