STEVEN BRADLEY LOWEN, PHD, is Assistant Professor of Psychiatry at Harvard Medical School and is affiliated with the Brain Imaging Center at McLean Hospital in Belmont, Massachusetts. He received a BS degree from Yale University and MS and PhD degrees from Columbia University.

MALVIN CARL TEICH, PHD, is Professor in the Departments of Electrical and Computer Engineering; Biomedical Engineering; and Physics at Boston University; as well as Professor Emeritus at Columbia University. He received SB, MS, and PhD degrees from the Massachusetts Institute of Technology, Stanford University, and Cornell University, respectively.