Re: [Freesurfer] defining ROIs/clusters

2015-02-05 Thread maaike rive
Won't I get the data for the complete eg insula then, instead of the cluster within the insula resulting from the comparison? Related to this: I noticed that in the aparc.stats files the magnitude of surface area is in the order of 100-1000 mm2, whereas in the ocn.dat files resulting from the

Re: [Freesurfer] defining ROIs/clusters

2015-02-03 Thread Douglas Greve
Just run mris_preproc on your healthy group, then run mri_segstats using the cluster annotation from your first analysis and the HC stack as the input. Does that make sense? doug On 2/3/15 9:18 AM, maaike rive wrote: Hi all, Does anyone know how to extract average (thickness/area/GI) value

[Freesurfer] defining ROIs/clusters

2015-02-03 Thread maaike rive
Hi all, Does anyone know how to extract average (thickness/area/GI) values of a cluster A for subjects in a group which was NOT included in the model where this cluster A emerged? For example: in a t-test for diagnosis1>dagnosis2 there is an effect in an insulacluster (found with mri_glmfit