Auditory 1
Auditory 2
Auditory 3
Hearing Loss 1
Hearing Loss 2
100

Processes the acoustic signals of speech

What is the Auditory System?

100

What is another name for eardrum?

What is the tympanic membrane?

100

Where is the Cochlea located?

What is the inner ear?

100

  • Around 10% of the U.S. population (1.5 million people) report having hearing loss (www.betterhearing.org)

What is the prevalence of HL in the US?

100

  • Noise exposure

  • Presbycusis (age-related)

  • Disease

What are etiologies of a sensorineural loss?

200

collects, localizes, and resonates sound

What is the pinna/auricle?

200

What does the tympanic membrane do?

What is 

  • Transfers sound

  • Converts sound (air waves 🡪 vibrations)?

200

  • Sound produces vibrations

  • Passes through air molecules to outer ear

What is the atmosphere?

200

3 in 10 people over age 60 have hearing loss

What are adults?

200

  • Loss in outer and/or middle + inner

    • Combination

    • Etiologies

      • Cerumen impaction + presbycusis

      • Otitis media + noise exposure

What is a Mixed Hearing Loss?

300

  • Funnels / channels sound into middle ear

  • Resonates sound

What is the external auditory meatus (ear canal)?

300

What does the eustachian tube do?

What is

  • Equalizes air pressure between outer ear and air-filled middle ear space

300

  • Pinna collects/amplifies vibrations, channels them into ear canal

  • Vibrations strike TM, enter middle ear

What happens in the outer ear during sound travel?

300

  • 1 to 6 per 1,000 infants born in US have congenital HL (ASHA)

  • Up to 15% of school-age population have temporary hearing loss (CDC)

What are children?

300

  • Audiology Tests (video)

  • Aural/oral approach


    • Amplification

    • Auditory training

  • Manual communication American Sign Language (ASL) ,Manually Coded English (fingerspelling, SEE, cued speech)

What are testing and treatment of Hearing Loss?

400

  • Glands produce cerumen (ear wax)

  • Hair follicles help move wax out

What is the outer 1/3 of cartilage?

400

Where is the eustachian tube located?

what is the middle ear?

400

  • Ossicles vibrate 

  • Stapes moves to pass sound to inner ear

What happens in the middle ear during sound travel?

400

  • Loss in outer &/or middle ear


    • Usually temporary

    • Amplified sound helps problem

  • Etiologies


    • Impacted cerumen (wax build-up)

    • Otitis media (ear infection)

    • Perforation of TM (hole in ear drum)

      • Foreign objects



What is a conductive loss?

400

  • collects sound vibrations, converts to electrical energy, sends to processor

  • filters and processes signal from microphone

  • transmits signal from processor to internal coil via FM radio waves



What does the external component of the Cochlear Implant do?

500

  • Curved

  • Protects tympanic membrane (ear drum)

What is the inner 2/3 of bone?

500

  • Snail shape

  • Fluid-filled

  • Hair cells

  • Discriminates differences in sound



What is the Cochlea?

500

What happens in the inner ear during sound travel?

What is?

  • Movement of stapes causes waves in fluid of cochlea

  • Waves stimulate (neurochemical) reaction of hair cells



500

A sensorineural loss is describe as

What is 

  • Loss in inner ear

    • Difficulty discriminating

    • Amplified sound does not totally help

500

The functions of the internal components of the Cochlear Implant

What are?

  • receives FM signal from transmitter, converts back to electrical energy, sends to electrodes

  • stimulates nerve cells, sends signal directly to auditory nerve



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