Recursively reads in all stats files for an atlas (given a unique character string), for all subjects in the subjects directory. Will add hemisphere and subject id to the data.
read_atlas_files(subjects_dir, atlas)
FreeSurfer subject directory
unique character combination identifying the atlas
tibble with stats information for subjects from FreeSurfer
if (FALSE) {
subj_dir <- "/path/to/freesurfer/7.2.0/subjects/"
read_atlas_files(subj_dir, "aseg.stats")
read_atlas_files(subj_dir, "lh.aparc.stats")
}