Hi Freesurfer team,

I'm trying to run a GLM analysis with three groups (Controls, MCI, AD) with 0 
covariables at the moment, but I would like to add two eventually. I've been 
following the tutorial on this link: 
https://surfer.nmr.mgh.harvard.edu/fswiki/Fsgdf3G0V, and when I write the 
command it says ''cannot open g3v0.fsgd for reading''.

In my /subjects/fsgd file, there is my fsgd file, and my contrast file. Am I 
missing an additionnal file or something? Is the format of my files correct?

If it can help, here's what my fsgd file looks likes:

GroupDescriptorFile 1
Title OSGM
Class Control
Class SCD
Class MCI
Input 3431566 CTL
Input 3514091 CTL
Input 4051959 CTL
Input 4344061 CTL
Input 4557550 CTL
Input 7060373 CTL
Input 7274924 CTL
Input 7308293 CTL
Input 7424803 CTL
Input 7459501 CTL
Input 7543023 CTL
Input 7661810 CTL
Input 8069157 CTL
Input 8330218 CTL
Input 8656527 CTL
Input 8875385 CTL
Input 9296157 CTL
Input 3025432 SCD
Input 3494204 SCD
Input 3702154 SCD
Input 3708747 SCD
Input 3865361 SCD
Input 4316663 SCD
Input 4509950 SCD
Input 4548020 SCD
Input 4893763 SCD
Input 5381177 SCD
Input 5477234 SCD
Input 5522727 SCD
Input 6121388 SCD
Input 6168985 SCD
Input 6258913 SCD
Input 6274286 SCD
Input 6334263 SCD
Input 6417837 SCD
Input 6427603 SCD
Input 7435733 SCD
Input 7485585 SCD
Input 7712552 SCD
Input 8827943 SCD
Input 8980899 SCD


Nick Corriveau-Lecavalier, B.Sc. (Hons)
Candidat au Ph.D. recherche/intervention, option neuropsychologie clinique
Coordonateur à la recherche, Association étudiante des cycles supérieurs en 
psychologie de l'Université de Montréal (AÉCSPUM)
Université de Montréal
Centre de recherche de l'Institut universitaire de gériatrie de Montréal, 
bureau M7819
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