Sound 1 Sound 2 Sound 3 Ear Ear Causes of hearing loss Disease Some illnesses affect the ear and can cause hearing loss Drugs Some medicines can damage the ears if they are used for a long time ID: 916840
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Slide1
Sound Matters!
Slide2Good and bad sounds
Sound 1
Sound 2
Sound 3
Slide3Ear
Ear
Slide4Causes of hearing loss
Disease
Some illnesses affect the ear and can cause hearing loss.
Drugs
Some medicines can damage the ears if they are used for a long time.Trauma
Things poked in the ear, sudden changes in air pressure and very loud noises can all damage the ear.
AgeHigher frequencies are harder to hear after the age of 20. People don’t usually notice until they are over 55.
NoiseHearing loud noises (over 85dB) for a long time causes hearing loss.
Slide5Inside an Ear
Slide6Ear Camera
Entrance to the ear canal
Slide7Ear Camera
The ear canal
Slide8The Ear Drum (tympanic membrane)
Normal Eardrum
Burst (perforated) eardrum
Slide9Normal hair cells
Damaged hair cells
Hair cells in the inner ear
Rows of hair cells
Slide10Which platform?
Listen to the recordings and go to the right platform
Slide11Which platform?
Announcements:
Normal conditions
When the ear cannot respond to higher frequencies.
A whooshing sound to simulate tinnitus
When people have trouble understanding speech when background noise is present. This is especially a problem for people with hearing loss in one ear.
Slide12Which platform?
And the whole thing again, under normal conditions