bone conduction Flashcards
purpose of bone conduction
establishes the type of hearing loss
difference between air and bone
bone OSSILATOR is placed on mastoid process of poorer ear
not touching pinna
raise hand when you hear sound
bone thresholds vs air
should be the same or better than air
~ 5-10 dB
sound field testing
- used when testing children under 3 YO
- special populations
- can use to see if person benefits from hearing aids or cochlear implants
can condition child to turn toward the sound and reinforce with a toy/video etc
X becomes S
designates that the person did not have headphones on
- shows how 2 ears work together
- if 1 ear doesn’t work, the person can still pass
BOA
behavioral observation audiometry
-looking for behavioral changes when sound presented (sucking patterning, breathing)
VRA
visual reinforcement audiometry
-speakers in corners, looking for head turn
conditioned play aud
respond with toy when sound is heard
mild hearing loss
will pass OAE and air testing
- difficult to detect
- has to work twice as hard to hear
moderate loss
person may miss out on 50-80%
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left ear
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right ear