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) 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 -sim); post hoc I want to test whether diagnosis1
and/or diagnosis2 differ from healthy controls in exactly the same
cluster. I understand I can run the analyses in seperate models (one
for diagnosis1 vs HC and one for diagnosis2 vs HC; if this cluster
does not emerge in either model, there is no difference) but if I want
to plot all groups for visualization purposes, I have no values for
the HC.
Thanks in advance,
Maaike
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