Ten years ago, an audiologist noticed how some patients were being fit with hearing aids not appropriate for their hearing, so he decided to do something about it.
Sounds Emitted by the Ear Provide a Window Onto the Cochlea’s Frequency Tuning
We demonstrated that sounds emitted by the ear—called otoacoustic emissions (OAEs), specifically distortion-product OAEs—may provide a noninvasive window onto cochlear frequency tuning. OAEs are a byproduct of the amplification process mediated by outer hair cells and are often measured in clinical hearing screenings.