Brown University - School of Engineering, Brown University - School of Engineering, Brown University - School of Engineering, University of California, San Francisco (UCSF) - Deparment of Neurological Surgery, Brown University - School of Engineering, Brown University - School of Engineering, Brown University - Department of Neurosurgery, Brown University - School of Engineering, Baylor College of Medicine - Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine - Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine - Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine - Mood and Anxiety Disorders Program, Perelman School of Medicine - Department of Neurosurgery, Baylor College of Medicine - Department of Neurosurgery, University of California, San Francisco (UCSF) - Deparment of Neurological Surgery, University of California, San Francisco (UCSF) - Deparment of Neurological Surgery, Baylor College of Medicine - Department of Neurosurgery, Baylor College of Medicine - Menninger Department of Psychiatry and Behavioral Sciences, Brown University - Division of Applied Mathematics and Brown University - School of Engineering