2. To collate and analyze the brain data placed in the atlas in a statistical manner that allows doctors to understand and treat brain disease more precisely and based on population data. For example, this would allow surgeons to predict optimal targeting locations for DBS implants, neurologists to program implants based on multiple physiological variables, including pre-operative severity of disease, intraoperative neurophysiological observations, and post-operative responses to previous therapies in a larger population of subjects.