AAO-HNSF Certificate Program for Otolaryngology Personnel

When to mask for air conduction?

Ex. AD/AC – 10 dB, AS/AC – 60 dB

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

7

Masking – Bone Conduction How does sound cross to the other ear? –Testing with the bone oscillator sets the bones of the skull into vibration. –This vibration stimulates both cochleas.

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

8

Masking – Bone Conduction

The interaural attenuation when using the bone oscillator is 0 dB. Cross-over – when the stimulus presented to the test ear is heard in the non test ear.

AAO-HNS/F

Certificate Program for Otolaryngology Personnel Workshop

9