Auditory Nerve – HEARING TEST 4

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Where does the auditory nerve first pass through?
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Auditory Nerve – HEARING TEST 4

The key terms of Hearing test 4 include, Auditory Nerve.


Where does the auditory nerve first pass through?

Enters brainstem at the cerebello pontine angle


Order that the nerve fibers pass through the cans

CN
SOC via lateral lemniscus
Inferior Colliculus
medial geniculate body
auditory cortex


How are the CANS organized and what does this mean

Tonotopically
cells responsive to diff freq are found in diff places at each level of CANS


Fibers from the base are on the ____ while fibers from the apex are on the ____

Outside
inside


APD

Auditory processing disorder
when people complain about not being able to hear speech in noise


HHIA

Hearing handicap inventory for adult
when it’s really high the it’s predictive of auditory processing disorder


Where is there cross over with bilateral info

SOC


Erber’s model of auditory skill development

Awareness/detection (hearing aids or cochlear implants)
discrimination
identification
comprehension


What happens to SNR in the words in noise tests?

SNR gets smaller


Tectorial membrane drapes over what

Organ of corti


Scala tympani starts where and what fluid

Round window
Periymph


Ototoxcity – 5 categories

Medications that cause damage to chochlea/vestib system
aminoglycosides
chemotherapy drugs
loop diuretics
salicylates
anti-malarial drugs


Nerve fibers of the CANS

Go from bottom of organ of corti into modiolus
form bundle of fibers which is the auditory nerve/cochlear nerve


Where does the auditory nerve first pass through?

Enters brainstem at the cerebello pontine angle


Order that the nerve fibers pass through the cans

CN
SOC via lateral lemniscus
Inferior Colliculus
medial geniculate body
auditory cortex


How are the CANS organized and what does this mean

Tonotopically
cells responsive to diff freq are found in diff places at each level of CANS


Fibers from the base are on the ____ while fibers from the apex are on the ____

Outside
inside


APD

Auditory processing disorder
when people complain about not being able to hear speech in noise


HHIA

Hearing handicap inventory for adult
when it’s really high the it’s predictive of auditory processing disorder


Where is there cross over with bilateral info

SOC


Erber’s model of auditory skill development

Awareness/detection (hearing aids or cochlear implants)
discrimination
identification
comprehension


What happens to SNR in the words in noise tests?

SNR gets smaller


Tectorial membrane drapes over what

Organ of corti


Scala tympani starts where and what fluid

Round window
Periymph


Ototoxcity – 5 categories

Medications that cause damage to chochlea/vestib system
aminoglycosides
chemotherapy drugs
loop diuretics
salicylates
anti-malarial drugs


Nerve fibers of the CANS

Go from bottom of organ of corti into modiolus
form bundle of fibers which is the auditory nerve/cochlear nerve


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