Frequency bands for Granger Causality (Spectral)

Thank you for taking the time to answer my Question and the well Explanation. Then I'm hoping that
hossein can help me there out.

@Francois
During my research about Connectivity on the Brainstorm Forum if found two Responses from you that are a bit Older and i have Questions about.

  • In your Answer to the Question Functional connectivity measuring you said that the Option "after" in the Function “When to apply the scout function:" is the recommended approach.

Is this still the recommended Approach?

  • In another Forum Entry Connectivity tool, you mentioned that in the Desikan-Killiany atlas, the regions are too large to be functionally homogeneous and averaging the source activity over large regions can cause that most of the interesting signals can be lost…

I totally agree with you that using in large Regions Interesting signals can be lost.
Do you have based on your Experience a guideline, what would be a good Size for Scouts? Or can you Recommand a Paper for that Issue?

Regards