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Hi Eugenio, There are different ways: 1) Use the GIFTI files directly (files .gii). To merge multiple subjects into a single 4D GIFTI, an option is to use the option "-metric-merge" of the Connectome Workbench (wb_command). 2) Convert the GIFTI files for each subject to an encoded "volume", in FreeSurfer .mgh format (command mris_convert), then concatenate them all into a 4D file (mri_concat). 3) Do as you say, a large .csv file. All three options allow a surface to be supplied (-s) so that spatial statistics like TFCE can be computed on the surface. All the best, Anderson On Sun, 16 Sep 2018 at 10:36, Eugenio Abela <[log in to unmask]> wrote: > Hi Anderson, > > what's the best way to input gifti data into PALM? I know how to generate > 4D nifti files for volumetric data and then pass them to PALM, but I was at > loss trying to do the same with giftis. Is it better to read giftis into > huge .csv tables (rows = subjects, columns = vertices)? If so, can I use > the tfce2D option on the csv? > > Thank you and kind regards > > Eugenio > > ######################################################################## > > To unsubscribe from the FSL list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1 > ######################################################################## To unsubscribe from the FSL list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1