Malformation of the inner ear.
Apical Region
The tip of the snail-shell-shaped cochlea. The apical region is where low frequency sounds are detected and sent to the brain.
Anvil
The second of the three bones in the middle ear. Technically called the Incus.
Analog Hearing Aid
A type of hearing aid that provides amplification by continuous changes in the voltage of the sound signal being amplified. All the older hearing aids worked this way. Modern hearing aids are mostly digital hearing aids.
AN
Auditory Neuropathy. (See Auditory Neuropathy Spectrum Disorder.)
Amplitude
The physical intensity of a sound. (Subjective impression of “loudness.)