gPPI with sparse temporal sampling

Hello Alfonso,

I have a task-fMRI experiment applying sparse temporal sampling (TR = 9 s, scanning time of a volume = 2 s). I want to do gPPI by CONN. I don' t know whether some options or parameters should be changed, compared to continuous sampling. (for example, to my knowledge, some papers suggested to elide "slice timing" step in pre-processing, when sparse sampling is used). Do you have some suggestions about it?

Many thanks in advance.

Best,
Arya