Dear Christian,
Thank you very much for your clear responses.
I have one follow-up question -
For "Estimate Mean Values inside ROI", I read that this estimates the sum of local grey matter inside the defined ROIs.
Is the "mean" then referring to extraction of individual subjects' volume values in order to perform analyses on means of a group of subjects/comparing groups of subjects?
Or is a mean value calculated for every individual? (I have read papers using CAT12 that state "computed for every subject the mean volume in the ROI" and "Mean estimates of GMV were extracted for our ROI") - if this is indeed an average volume for each individual, what is being averaged? This leads me to believe that I have misunderstood what these values are representing.
Any insight would be appreciated!
Thank you,
Carolyn
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