G - M

Hearing Threshold: The quietest sounds that a person can only barely hear. Aided threshold means the quietest sounds a person can just barely hear with his hearing aids on.

Impedance Testing: A small probe is placed in your child’s ear. This test helps to decide what kind of hearing loss your child has (conductive or sensorineural). Impedance testing gives the audiologist information about: (1) flexibility of the eardrum, (2) middle ear pressure, (3) functioning of the middle ear bones, (4) functioning of the Eustachian tube, and (5) the reflex contraction of a small muscle in the middle ear.

Inner Ear: The part of the ear that contains the cochlea and the auditory nerve.

Localized: Child turns his head towards a sound.

MAP: The “listening program” stored in the memory of the cochlear implant processor.

Middle Ear: The middle section of the ear that contains three tiny bones, through which sound is conducted from the eardrum to the inner ear. This is where ear infections are usually located.

Mild Hearing Loss: A child is unable to detect sounds until they are in the loudness range of 26 dB to 40 dB.

Moderate Hearing Loss: A child is unable to detect sounds until they are in the loudness range of 41 dB to 55 dB.

Moderately Severe Hearing Loss: A child is unable to detect sounds until they are in the loudness range of 56 dB to 70 dB.