How Hearing Works

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LEARNING ABOUT HEARING LOSS

DICTIONARY OF CONDITIONS AND TERMS

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CAUSES OF HEARING LOSS

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WHAT CAN HELP?

HOW HEARING WORKS

NEWBORN SCREENING INFORMATION

FINDING A HEARING HEALTH PROFESSIONAL

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PSA 2012

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How Hearing Works

Hair cells in the inner ear convert sound information into electrical signals that enable the brain to ’’hear’’ the outside world. Hearing loss is permanent when the hair cells are damaged.

Click here to see a video on how hearing works.

To learn more about how hearing works, visit
Journey into the World of Hearing

ear diagram


Drs Marc Lenior and Remy Pujol Montpellier France Intact normal mammal hair cells showing a single row of inner hair cells and 3 rows of outer hair cells		Drs Marc Lenior and Remy Pujol Montpellier France Mammal hair cells after drug damage with inner hair cell row preserved and outer hair cells degenerated

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