Introducing realign parameters as covariate of no interest

Dear Dr. Yan, 

The "rp_al_"  files could be entered in "other covariates" at "Nuisance covariate regression" ???????

Thank you!

Why do you want to do this?

You can use Rigid body 6, Friston 24 etc. as regression models.

Best,

Chao-Gan