Nuisance Covariates regression 应在Normalize 之前还是之后?

Submitted by doctorsol on

想请教一下各位老师,Nuisance  Covariates regression 应在Normalize 和smooth之前还是之后?因为在Dapbi基础版中默认的是在最后做Nuisance  Covariates regression,而在高级版中又是在Normalize 之前做,所以感到很困惑?