Re: [Freesurfer] Fwd: qdec -- confused by glm output for custom ROIs

2013-07-24 Thread Douglas N Greve
Hi Maria, how did you extract the thickness for each subject? mri_glmfit-sim will do this extraction for you. It will be stored in something.y.ocn.dat. Try it with that data. Also, how did you do your GLM analysis? Did you use the Xg.dat file created by QDEC? doug On 07/23/2013 11:48 AM, Mari

[Freesurfer] Fwd: qdec -- confused by glm output for custom ROIs

2013-07-23 Thread Maria Kharitonova
Hi, I'm sorry for sending a duplicate request, but I am still really confused about the discrepancy between group-level findings in qdec (ROIs that are different across my 2 groups) and lack of a difference on the extracted thickness measures for those same custom ROIs. More info is below. Please l