[HCP-Users] Intermittent orbitofrontal artifact in a limited number of HCP fMRI scans

To all users of HCP data: Intermittent orbitofrontal artifact affecting a limited number of rfMRI and tfMRI scans HCP has identified an artifact caused by intermittent technical problems with the 32 channel head coil in a limited number of fMRI scan session (26 rfMRI scans in 19 subjects; 7 tfMRI

Re: [HCP-Users] merge traj files

To finally answer this, no, -wbsparse-merge-dense does not have any sparse summation logic, it is meant only for the dense (brain models) dimension, for concatenation. We don't currently have a command to do such a summation, trajectory support is somewhat a work in progress. I don't know why