[Freesurfer] Disentangling age effects

2009-06-07 Thread mmoayedi
Hi, I am studying two groups and have found that age is a confound (or is a covariate with an interaction between the two groups). Simply, when I correlate age between the two groups, there is an interaction (i.e., the slopes are different). My questions are: 1) is it appropriate to proce

Re: [Freesurfer] Anatomical stats for fsaverage

2009-06-07 Thread Alex Fornito
Rudolph's workaround seems to do the trick. Thanks! On 06/06/2009 18:16, "Bruce Fischl" wrote: > yeah, I guess we disabled it since the surface area isn't representative > of individual subjects. We could either change it to a warning with a > -force flag or something, or you could run mri_annot

[Freesurfer] problem with spmregister

2009-06-07 Thread Hesheng Liu
Hi, Guys, I am trying to coregister a CT image with MRI using spmregister, however I am getting the following error message. I have run the same command on many subjects before and never had a problem. Is there any update that I am not aware of? Any thoughts will be greatly appreciated. Hesheng