rsfMRI Parkinson's Progressive Marker Initiative - Slice shifting

Submitted by LuisPerazaRo on

Dear Forum,

I downloaded the rsfMRI baseline from the Parkinson's Progressive Marker Initiave, but the odd thing is that all fMRIs look like the image below. There is a shift motion or slope every 8 slices but there is no information on internet about this kind of acquisition. Also articles using this database doesn't mention this characteristic in their Methods section. I wonder if somebody in this Forum has worked before with this database and faced this problem.

Many thanks, Luis R. Peraza