[Freesurfer] tkregister2

Is it possible to spatially align PET data to an MRI using tkregister2? Cole Reschke Data Manager, PET Center Banner Alzheimer Institute Banner Good Samaritan Medical Center Phone: (602) 239-4868 ___ Freesurfer mailing list Freesurfer@nmr.m

[Freesurfer] mris_preproc --paired diff

When using the -paired-diff option for mris_preproc, does this signify (scan1 minus scan2) or (scan2 minus scan1)? Cole Reschke Data Manager, PET Center Banner Alzheimer Institute Banner Good Samaritan Medical Center Phone: (602) 239-4868 _

RE: [Freesurfer] interpret analysis results

Doug Greve Sent: Monday, January 22, 2007 11:56 AM To: Reschke, Cole Cc: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] interpret analysis results The values are -log10(p), so p < .01 would require a threshold of 2, etc. I don't use t, z, or F because I have not memorize

[Freesurfer] interpret analysis results

First, thanks to Doug for all his help up to this point. Next, I have three questions. In my analysis, I used the -paired-diff and -osgm options in mris_preproc and mri_glmfit, respectively. I have successfully loaded sig.mgh onto the inflated surface. Are the values from the color chart [-

[Freesurfer] FSGD and design matrix

All- I am looking to run freesurfer group analysis on a longitudinal study, examining the changes between baseline and follow-up. I would like to set up a paired t-test, yet I am still in need of some assistance creating my FSGD file and my design matrix. I have read the GroupAnalysis wiki pa