def is_freesurfer_subject_path(path):
if not os.path.isdir(path): return False<EOL>else: return all(os.path.isdir(os.path.join(path, d)) for d in ['<STR_LIT>', '<STR_LIT>', '<STR_LIT:label>'])<EOL>
is_freesurfer_subject_path(path) yields True if the given path appears to be a valid freesurfer
  subject path and False otherwise.
A path is considered to be freesurfer-subject-like if it contains the directories mri/, surf/,
and label/.