Thank you!
Date: Mon, 21 Sep 2015 23:43:39 -0400
From: gr...@nmr.mgh.harvard.edu
To: freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] Question about the multiple comparison correction in
FreeSurfer
On 9/21/15 9:15 PM, chenhf_uestc wrote
"--*grf* 3 abs".
No, sorry
Best,
Feng
*发件人：*Douglas N Greve
*发送时间：*2015-09-22 05:35
*主题：*Re: [Freesurfer] Question about the multiple comparison
correction in FreeSurfer
*收件人：*"freesurfer"
*抄送：*
--grf is gaussian r
g ". Could I specify the sign "abs"
such as "--grf 3 abs".
Best,
Feng
发件人：Douglas N Greve
发送时间：2015-09-22 05:35
主题：Re: [Freesurfer] Question about the multiple comparison correction in
FreeSurfer
收件人："freesurfer"
抄送：
--grf is gaussian random fields for the
--grf is gaussian random fields for the volume (not surface).
Re: --2spaces, your understanding is correct.
FDR: you can do it in matlab, something like
sig = MRIread('sig.mgh');
p = 10.^-abs(sig.vol)
pthresh = fast_fdrthresh(p,fdr);
ind = find(p < pthresh);
sig.vol(ind) = 0;
MR
Dear Freesurfer experts,
I have some questions about the multiple comparison correction method for group
analysis in Freesurfer. The manual stated that we could use the commands as
follows:
mri_glmfit-sim \
--glmdir lh.gender_age.glmdir \
--cache 4 neg \
--cwp 0.05\
--2spaces
This is t
