[Freesurfer] GLM_Fit Question

2015-03-20 Thread Elrod, Christian - SJHMC
Hello Freesurfer Group, I have a question regarding an error that I have been receiving when attempting to set up an analysis involving 4 groups of subjects with data coming from 2 separate scanning sites. The error is "ERROR: gdfReadV1: Found 7 variables, expected 1". This is how it appears

[Freesurfer] Cluster correction in restricted space --> clusters outside of boundaries

2015-03-20 Thread Janosch Linkersdörfer
Hi all, I have a question/problem related to restricting monte carlo cluster correction to a reduced search space. I have: 1) created a label including the labels of regions I am interested in 2) used mri_mcsim with the --label flag and the label created in 1) to create cached monte carlo simu

[Freesurfer] Question regarding Qdec vs mri_glmfit outputs

2015-03-20 Thread Egil Nygaard
Dear Freesurfer support, I find the qdec to be very pedagogic in its outlay, and would love to use it. However, I find several discrepancies as compared to results from the mri_glmfit analyses, and wonder why (see description below). 1) One discrepancy is the placement of the clusters; X, Y

[Freesurfer] Question regarding mri_glmfit DODS vs SPSS interaction terms in GLM analyses

2015-03-20 Thread Egil Nygaard
How are the DODS analyses in Freesurfer comparable to interaction terms in GLM analyses in SPSS? I notice that others have had similar questions, but it is still unclear to me. To get comparable interaction terms in SPSS GLM analyses and individual slopes in mri-glmfit Freesurfer DODS analyse