Hi, I'm doing volume based analysis (with non-spatial relationships) of task fMRIby converting the volumes in MNINonlinear/Results/taskname/taskname_Atlas.dtseries.nii CIFTIs to NIFTI using wb_command -cifti-convert.
First, since we want to do group level analysis, I'm wondering if it's correct or not to use the standard Conte69 '91282_Greyordinates.dscalar.nii' CIFTI as a template in the conversion back from CIFTI to NIFTI, given the comments in this thread: https://www.mail-archive.com/hcp-users%40humanconnectome.org/msg00601.html Second, I understand that the purpose of creating the CIFTI format and the higher level pipelines is to be able to do all the processing and analysis in grayordinate space. Also, in a more recent thread you mention that some people have had success with this "fake nifti" approach. It's probably out of the scope of the HCP project, but still, can I ask you if at some point you did some comparison between the results of a 'cifti to nifti' volume based analysis with the grayordinates space analysis? In theory both approaches should yield somewhat equivalent results, but the Pipelines are optimized for grayordinates, so it would be reasonable to expect that the HCP task analysis Pipelines will give better(more complete?) results in general, right? Thanks, Carolina. _______________________________________________ HCP-Users mailing list [email protected] http://lists.humanconnectome.org/mailman/listinfo/hcp-users
