Jeremy M. Wolfe is Professor of Ophthalmology and Radiology at Harvard Medical School. Keith R. Kluender is Professor and Head of Speech, Language, and Hearing Sciences and Professor of Psychological Sciences at Purdue University. Dennis M. Levi is Professor in the School of Optometry and Professor at the Helen Wills Neuroscience Institute at the University of California, Berkeley. Linda M. Bartoshuk is Bushnell Professor, Department of Food Science and Human Nutrition at the University of Florida. Rachel S. Herz is an Adjunct Assistant Professor in the Department of Psychiatry and Human Behavior at Brown University and Part-time Faculty in the Psychology and Neuroscience Department at Boston College. Roberta L. Klatzky is the Charles J. Queenan Jr. Professor of Psychology at Carnegie Mellon University, where she also holds faculty appointments in the Center for the Neural Basis of Cognition and the Human-Computer Interaction Institute. Daniel M. Merfeld is Professor of Otolaryngology at the Ohio State University College of Medicine and the Senior Vestibular Scientist at the Naval Medical Research Unit in Dayton.