I wonder if anyone has ever experienced running graph theoretical (GT) analysis for task fMRI. If so, what are the general recommendations, precautions, pitfalls?

For instance, given that for this kind of analysis long sessions are strongly recommended, do you suggest to acquire images during a particular task within one large block, or do you think it is still better to use a regular block design, then "cut" the data and reconstruct connectivity matrices for different conditions separately? What would be the recommended block length then?

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