Re: [Freesurfer] activation patterns and par files

They may or may not give the same result. You have two different models, and the addition of the two other conditions affects the estimates for the original 3 (also affects efficiency). You should be using the model that you believe accurately reflects your data. Cameron Ellis wrote: Hi

Re: [Freesurfer] model for pair-T test

yes, after the paired diff, you should create a new fsgd file that has only one entry per subject (it does not matter which one). You do not have to have a variable. Wang, Xin wrote: Hello, Doug, I ran into an error when I ran mri_glmfit after I finished mris_preproc --paired-diff. ERROR

[Freesurfer] Sulcal CSF measure

Hi there, I was wondering if sulcal CSF differences should be reported given the difficulty in its identification from T1 data? How is sulcal CSF defined by FS? Thanks in advance for your time. Cheers, -Morgan ___ Freesurfer mailing list Freesurfer

Re: [Freesurfer] Sulcal CSF measure

Hi Morgan, I don't think you can reliably segment sulcal CSF from just a T1 image, so I wouldn't report it. cheers, Bruce On Tue, 23 Oct 2007, Morgan Hough wrote: Hi there, I was wondering if sulcal CSF differences should be reported given the difficulty in its identification from T1 data?