OAE

Otoacoustic Emissions (OAE) testing is a non-invasive and objective diagnostic method used to assess the functionality of the inner ear, specifically the cochlea. This test measures the sounds generated by the inner ear in response to acoustic stimulation and can provide valuable information about hearing health, especially in infants, children, and individuals who may have difficulty with traditional hearing tests. Here is a description of OAE:

Purpose:

OAE testing is primarily used to evaluate the functioning of the outer hair cells within the cochlea. These hair cells play a crucial role in amplifying and transmitting sound signals to the brain. OAE testing helps identify cochlear dysfunction and is particularly useful for screening hearing loss in newborns and young children.

Test Setup:

OAE testing can be conducted in a variety of clinical settings, including hospitals, audiology clinics, and pediatric offices. It is typically performed in a quiet environment to reduce external noise interference.

Equipment:

The test is conducted using a small probe that contains a microphone and speaker. The probe is placed in the ear canal, where it delivers acoustic stimuli (usually clicks or tone bursts) and records the emissions generated by the cochlea.

Procedure:

• During OAE testing, the patient usually sits quietly or lies down. The audiologist or healthcare professional inserts the probe into the patient's ear.
• The probe emits sound stimuli, which are transmitted into the ear canal. The inner ear's response is recorded as otoacoustic emissions, which are sounds generated by the cochlea's outer hair cells in response to the acoustic stimulation.
• The emissions are measured and analyzed by a computer to determine their presence and characteristics.