Hi Alex, do you want to do it on an ROI basis? If so, you can use asegstats2table to create a table of your subjects at the two time points, then import this table into SPSS. Or you can run the table through mri_glmfit to do the paired-t analysis. doug
On 07/24/2012 01:56 PM, Alexandra Tanner wrote:
Hi Doug,
Yes, sorry about that! I realized after I'd sent the email to you that I should've sent the email to the freesurfer list as well.
We were hoping to look at volume in subcortical regions of the brain -- basal ganglia, hippocampus, amygdala, etc. Do know if there are commands to do the within subjects paired analysis this way? And if so, what they are?
Thanks so much! Alex
Hi Alexandra, what structure are you looking to analyze? Ie, the volume of what? The volume of cortex? doug ps. In the future, please post such questions to the freesurfer list as it gives others the opportunity to answer and to learn. thanks!
On 07/23/2012 12:03 PM, Alexandra Tanner wrote:
Hi Mr. Greve,
My name is Alex Tanner, I'm the new CRC for Dr. Roffman in the Brain Genomics Lab. I had a question regarding conducting volume analyses. On the freesurfer wiki there are commands that show how to conduct Paired Analyses to look at average surface, and I was curious if it was possible to do a paired analysis looking at volume instead. Any information you have would be very helpful.
Thanks so much!
Best,
Alexandra Tanner Clinical Research Coordinator Laboratory for Brain Genomics Division of Psychiatric Neuroimaging Massachusetts General Hospital 149 13th Street Charlestown, MA 02129 (p) 617.643.3215
-- Douglas N. Greve, Ph.D. MGH-NMR Center greve@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422
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