 The atlas is in HCP MNI resolution. i.e. 2mm isotropic. This can be viewed and used with MNI_2mm_brain available in FSL software. 
 
 
 Let us know, if you have specific questions or issues. 
 
 
 wolfgang.grodd@tuebingen.mpg.de
 
 &
 
 vinod.kumar@tuebingen.mpg.de
 
