Dear freesurfer community,

I'm trying to do my analysis in qdec right now with the question of differences of cortical-thickness between patient and control.

Instead I have a few questions about the different modulations in qdec:

In 'Design' it's possible to choose from different measurements. Are the options 'surface-based' and 'morphometric' the best ones for my question and what do 'volume-based' and 'functional' mean in this context?

Is 10 the standard dimension of smoothing in qdec? How does the smoothing changes related to ROI's?

 

I would be grateful for your comments.

Yours sincerely,

Carina

 

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