John Ferraro, Ph.D., FASHA, FAAA, Professor Emeritus at the Department of Hearing and Speech at The University of Kansas (KU), explains how to mark an electrocochleogram waveform in order to calculate the SP/AP amplitude and SP/AP area ratios.
John A. Ferraro, Ph.D., FASHA, FAAA, is a professor in the Department of Hearing and Speech at The University of Kansas (KU). Prior to his arrival at KU, Ferraro held positions of assistant and associate professor at The Ohio State University's Speech and Hearing Science Section (1974-1981) and as clinical neurophysiologist at Swedish Medical Center, Englewood, Colo. (1981-1984). Ferraro's research interests are in the areas of auditory electrophysiology. He has pioneered techniques for using these potentials in the diagnosis, assessment and management of otological/neuro-otological disorders.