hippocampus; hippocampal subfield; 7T MRI;

The paired 3T-7T MRI dataset includes T1- and T2-weighted whole-brain MRI of each participant performed on an investigational 7T MAGNETOM MR system with a 32-channel receiver and a 1-channel transmit birdcage head coil (Nova Medical, Wilmington, MA, USA) and a 3T MAGNETOM Prisma MR system equipped with a 64-channel eachphased-array head coil (Siemens Healthineers, Erlangen, Germany) on the same day at Beijing MRI Center for Brain Research (BMCBR). Twenty volunteers aged 18-25 years (10 males and 10 females) recruited from a university were enrolled.