Tiffany A. Johnson, Ph.D., CCC-A
Chair, Department of Hearing and Speech
Co-Director, Intercampus Program in Communicative Disorders
Department of Hearing and Speech, Intercampus Program in Communicative Disorders
Tiffany Johnson, Ph.D., CCC-A, is an associate professor in the Department of Hearing and Speech at KU Medical Center. She teaches courses in diagnostic and pediatric audiology and coordinates the first-year audiology practicum. In addition, she serves on the curriculum and admissions committees for the audiology degree program.
Johnson was appointed interim chair of the Department of Hearing and Speech and interim co-director of the Intercampus Program in Communicative Disorders effective January 1, 2018. In January 2019, the "interim" tag was removed as she was appointed to the regular positions of department chair and co-director.
Following undergraduate study at Creighton University, Johnson completed her master's degree in 1995 at the University of Iowa. She worked as a clinical audiologist in Nebraska and Minnesota before serving on the University of Iowa faculty as a clinical assistant professor from 1997-1999. Johnson earned her doctorate at the University of Iowa (2003) and completed her postdoctoral fellowship (2003-2006) at Boys Town National Research Hospital, Omaha, Neb.
In addition to her responsibilities in the department, Johnson has been active in national groups including the American Speech-Language-Hearing Association and the American Academy of Audiology.
Johnson's research focuses on understanding how the human auditory system works in individuals with either normal or impaired auditory function. This work includes translational studies aimed at improving the identification and diagnosis of mild hearing loss in infants and young children. She is also investigating the impact of voluntary noise exposure on supra-threshold auditory function in individuals with normal behavioral thresholds.
These questions are addressed using a variety of techniques including otoacoustic emissions, auditory evoked potentials, and basic psychoacoustic and speech-perception tests. Work in Johnson's lab has been supported by grants from the American Academy of Audiology Foundation, the American Speech-Language-Hearing Foundation, and the National Institutes of Health–National Institute on Deafness and Other Communication Disorders.