[Freesurfer] QDEC interaction does not match SPSS analysis on extracted values

Dear FreeSurfer experts, I have used QDEC to investigate whether within my sample there was a group by gender interaction in cortical thickness and local gyrification. I had age, IQ and ICV (demeaned and normalised) as nuisance factors. I found significant clusters in both the cortical thicknes

[Freesurfer] Differing dimensions between curvature and inflated files

Dear FreeSurfer experts, I am running Spherical Daemon on my reconstructed surfaces as part of the Winkler et al (2012) method of analysing surface area. The majority of my subject's surfaces are read perfectly fine, however it exits with error on one particular subject. It seems that the probl

[Freesurfer] T or Z values in QDEC

Dear Freesurfer list members, Within QDEC I have found a number of clusters that show significantly different cortical thickness and local gyrification between two groups. The cluster summary exhibits the p value, coordinates and other information regarding the cluster, however I wanted to repor

[Freesurfer] T or Z values in QDEC

Dear Freesurfer list members, Within QDEC I have found a number of clusters that show significantly different cortical thickness and local gyrification between two groups. The cluster summary exhibits the p value, coordinates and other information regarding the cluster, however I wanted to repor