ing screening. She has recently completed a project to characterize the nature of auditory neuropathy and edited a book on the subject. Her current research project evaluates factors that influence the auditory outcomes of infants and children with hearing loss who receive amplification. She is a fellow of the American Speech-Language-Hearing Association and a former member of the board of directors of the American Academy of Audiology. She serves as a representative to the Joint Committee on Infant Hearing and is a board member of the International Evoked Response Study Group. She has B.A. and M.A. degrees from Indiana University and a Ph.D. in speech and hearing science from the University of California, San Francisco.
William A. Yost is professor of psychology, adjunct professor at the Parmly Hearing Institute, and adjunct professor of otolaryngology at Loyola University Chicago. He has published numerous reports, articles, book chapters, and books in areas of hearing science. He is a fellow of the Acoustical Society of America, the American Speech-Language-Hearing Association, the American Psychological Society, and the American Association for the Advancement of Science. He received an honorary degree from the Colorado College in 1997 and several service awards from the Association for Research in Otolaryngology; he was faculty member of the year in 1994 and served as associate vice president for research and dean of the Graduate School at Loyola University Chicago. He served as chair of the NRC Committee on Hearing, Bioacoustics, and Biomechanics. He is currently on boards of the Psychonomic Society (associate editor), the National Academies (a national associate), the American National Standards Institute, the Acoustical Society of America (former vice-president), the Association for Research in Otolaryngology (former secretary-treasurer and president), and NIH (former chair of the communication disorders review group). He has a Ph.D. in experimental psychology from Indiana University.
Susan Van Hemel (Study Director) is a senior program officer in the Center for the Study of Behavior and Development of the Division of Behavioral and Social Sciences and Education at the NRC. Her recent projects at the NRC include a study of Social Security disability determination for individuals with visual impairments and a workshop on technology for adaptive aging. She has also done work for a previous employer on vision requirements for commercial drivers and on commercial driver fatigue. For over 20 years she managed and performed studies on a variety of topics related to human performance and training. She is a member of the Human Factors and Ergonomics Society and its technical groups on perception and performance and aging. She has a Ph.D. in experimental psychology from the Johns Hopkins University.