Download some relevant files from the FreeSurfer v6 fsaverage3 subject. The files are subject to the FreeSurfer software license, see parameter 'accept_freesurfer_license' for details. This data is not required for the package to work. If you are working on a machine that has FreeSurfer installed, you already have this data anyways and do not need to download it. Also downloads data for subject1 that has been mapped to fsaverage.
download_fsaverage3(accept_freesurfer_license = FALSE)logical, whether you accept the FreeSurfer license for fsaverage, available at https://surfer.nmr.mgh.harvard.edu/fswiki/FreeSurferSoftwareLicense. Defaults to FALSE.
Named list. The list has entries: "available": vector of strings. The names of the files that are available in the local file cache. You can access them using get_optional_data_file(). "missing": vector of strings. The names of the files that this function was unable to retrieve.