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 An Audiologist is…    A state licensed health-care professional who holds either a  An Audiologist is…    A state licensed health-care professional who holds either a

An Audiologist is… A state licensed health-care professional who holds either a - PowerPoint Presentation

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Uploaded On 2020-04-02

An Audiologist is… A state licensed health-care professional who holds either a - PPT Presentation

Audiologists perform any of the following functions prescribe and fit hearing aids assist in cochlear implant programs perform ear or hearingrelated surgical monitoring design and implement hearing conservation programs and newborn hearing screening programs ID: 774651

hearing loss ear sound hearing loss ear sound people hear canals sensorineural audiologist cochlea semicircular aids vibrations conductive middle

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An Audiologist is…

A state licensed health-care professional who holds either a doctoral degree or a master’s degree in audiology from an accredited university.

Audiologists perform any of the following functions:

prescribe and fit hearing aids

assist in cochlear implant programs

perform ear or hearing-related surgical monitoring

design and implement hearing conservation programs and newborn hearing screening programs

provide hearing rehabilitation training such as

auditory training

speech reading

listening skills improvement

Slide3

People with untreated hearing loss (people with hearing loss who do not wear hearing aids) can experience a decreased quality of life. SadnessDepressionAnxietyParanoiaPoor social relationships

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That is over 4 times the amount of people living in New York City!New York City!

Over 36 million Americans Suffer from Hearing Loss!

Over 18 million are under the age of 65.

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The outermost part of the ear is called the pinna. The pinna acts like a funnel directing sound waves into the ear canal.The sound waves then travel through the ear canal to the ear drum.The sound waves vibrate the ear drum and those vibrations are transmitted to the middle ear.

How We Hear: Outer Ear

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How We Hear: Middle Ear

The middle ear is made up of the hammer, anvil, and stirrup bones.These three bones are the smallest in the body and are collectively known as the ossicles. The ossicles amplify and transfer the sound vibrations from the ear drum to the inner ear.

hammer

anvil

stirrup

Slide7

How We Hear: Inner Ear

The inner ear is made up of the semicircular canals and the cochlea.Each part of the inner ear is very different in form and function to the human body.

semicircular canals

cochlea

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Inner Ear: Semicircular Canals

The semicircular canals are the portion of the ear that helps detect movement and maintain balance.The semicircular canals are filled with fluid, and as we move, it is that fluid that allows us to detect the movement and maintain our balance.

semicircular canals

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Inner Ear: The Cochlea

The cochlea houses the organ of Corti.As sound vibrations move through the cochlea, they vibrate the microscopic hair cells found within the organ of Corti. The vibrations of these hair cells trigger the electrical impulses sent to the brain from the auditory nerve, allowing us to hear.

cochlea

auditory nerve

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Types of Hearing Loss

Sensorineural Hearing Loss

Sensorineural Hearing Loss

Conductive Hearing Loss

Mixed Hearing Loss

The safest way to determine if you have a hearing loss is to visit your audiologist for a hearing evaluation. An audiologist can then work with you to determine the best treatment option for your hearing loss.

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Sensorineural Hearing Loss

Is permanent and sometimes preventable.

Is the most common form of hearing loss.

Can affect people of all ages.

Is a high-frequency hearing loss, that can occur from aging and/or

noise exposure

(noise-induced hearing loss).

Does not have any medical or surgical treatment options, in most cases.

Hearing aids are the primary treatment (an audiologist should be your primary health-care provider for testing and fitting hearing aids). A cochlear implant may be considered for patients with severe or profound cases of this form of hearing loss.

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Sensorineural Hearing Loss

Sensorineural hearing loss occurs when the microscopic hair cells within the organ of Corti are damaged.Once the hair cells are damaged, they do not regenerate.

From David J. Lim. Functional Structure of the Organ of Corti: A Review. Hearing Research, 22 (1986) 117-146 Elsevier

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KNOW THE SIGNS: Trouble hearing conversation in a noisy environment such as restaurants.Difficulty or inability to hear people talking to you without looking at them.A constant buzzing or ringing in your ears (tinnitus).

Do You HaveDo You Have Sensorineural Hearing Loss?Sensorineural Hearing Loss?

High-frequency hearing loss may be difficult to

“self-diagnose” because it occurs slowly over time.

People with this form of hearing loss often can still

hear, but they cannot hear clearly.

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Tinnitus

Is an internal sound often accompanying hearing loss that is often described as a:

Ringing, buzzing, hissing, crickets, roaring, shower-like noise, ‘shhhh’ sound, or humming.

It can be constant or intermittent.

Many people who suffer from tinnitus report that it is bothersome and say that it causes a decrease in quality of

life.

 

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Conductive Hearing Loss

Conductive losses occur when sound waves are prevented from reaching the inner ear.

Possible Causes:Blockage in the ear canal from:A foreign object.Ear wax (cerumen) build-up. Fluid occupying the middle ear space (due to ear infections, otitis media)Poor movement of the ossicles resulting from:Otosclerosis.Trauma separating the ossicles from one anotherAtresia or StenosisA condition where people are born with very small ear canals or a malformed/absent pinna and ear canal. 

Slide19

Mixed Hearing Loss

Hearing loss that involves both sensorineural and conductive hearing loss components

.

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Degrees of Hearing Loss

Audiologists use general terms to characterize the degree of hearing loss.

Normal

Mild

Moderate

Severe

Profound

The category of hearing loss represents the softest level of sound (decibels) you can hear at different pitches.

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The Hearing Evaluation

Audiologists perform a hearing evaluation to determine the type and severity of the hearing problem.

There are three parts to a hearing evaluation:

Review of your medical and hearing history.

Visual examination of the eardrums and ear canals.

The hearing test.

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The Hearing Test

An audiologist will place you in a sound booth to test your hearing at different pitches (frequency) and decibel levels.You will be asked to listen to a series of specific sounds and indicate which ones you hear.  The results are noted on an audiogram that your audiologist will review with you.

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People with untreated hearing loss (people with hearing loss who do not wear hearing aids) can experience a decreased quality of life.

Sadness

Depression

Anxiety

Paranoia

Poor social relationships

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If you think you or someone

you know might have a hearing problem, visit

www.HowsYourHearing.org

to find an audiologist near you.

Questions???

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