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[Otoacoustic emissions. A futuristic objective hearing test]
1HNO-Klinik, Universität Tübingen.
Fortschritte Der Medizin
|October 20, 1993
Summary
Otoacoustic emissions, sounds from inner ear hair cells, offer quick, harmless hearing tests. These tests, including TEOAE and DPOAE, are valuable for newborn screening and early hearing loss detection.
Area of Science:
- Otoacoustic Emissions (OAEs)
- Auditory Neuroscience
- Audiology
Context:
- Normal hearing individuals exhibit inner ear sounds generated by hair cell movement.
- Acoustic stimulation reliably provokes otoacoustic emissions in healthy ears.
Purpose:
- To detail the application of otoacoustic emissions for hearing assessment.
- To highlight the utility of transitory evoked otoacoustic emissions (TEOAE) and distortion products of otoacoustic emissions (DPOAE) in audiology.
Summary:
- Otoacoustic emissions, including TEOAE and DPOAE, serve as non-invasive hearing tests.
- DPOAE specifically indicates inner ear damage.
- These tests are rapid, safe, and age-independent.
Impact:
- Facilitates universal newborn hearing screening.
- Enables early diagnosis of hearing impairments and ototoxic agent effects.
- Aids in differentiating sensorineural hearing loss.