I have not looked at enough to really know. You may get a small boost in
power, but it will probably only help if the effects you are looking at
are right on the edge of significance.
On 6/26/17 1:26 AM, Silas wrote:
Dear FreeSurfer team,
I'm making a surface based group analysis of 40 multiple sclerosis
subjects using FreeSurfer tools.
What are the advantages of building your own
fsaverage (make_average_subject) instead of using the premade
fsaverage? Would you in general recommend this? What is the pro's and
con's of building your own fsaverage?
All the best,
Silas
I searched the mailing stream and found this answer:
'make_average_subject script, but as Doug implies you probably don't need to.
Our warp is
high-enough dimensional that you rarely need to build average subjects from
your own population'
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