AAO-HNSF Certificate Program for Otolaryngology Personnel

Evoked Potential System • The evoked potential system is composed of a stimulus generator, an amplifier, and a signal averager

• These are several evoked potential measures including measurement of the compound action potential, early latency components and the cortical components

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

22

Otoacoustic Emissions Systems • The newest of the audiological battery • There are three types of OAEs –Transient echo* –Distortion product* –Spontaneous

• *these are used clinically

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

23

Otoacoustic Emissions System • Otoacoustic emissions are not a measure of hearing

• Absence of OAE responses does not mean there is no hearing; presence of OAE response does not mean hearing is present

• OAEs provide more information that can be used in

combination with other tests to develop a clinical picture

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

24