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About hearing

Hearing is the process of perceiving sound. A hearing loss can restrict communication and social interaction with others causing quality of life to suffer.

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How does hearing work?

Sound waves travel down the ear canal and hit the eardrum, causing it to vibrate. These vibrations set the fluid of the cochlea into motion which stimulates 15,000 sensory cells, called “hair cells”, that convert the vibrations into electrical signals. The brain processes this raw data, making it possible to hear and enjoy things like music or an engaging conversation.

Physiology of hearing

Your ear can be divided into 3 parts. The outer ear and middle ear help collect and amplify sound. The inner ear converts sound waves to messages that are sent to the brain.

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    Outer ear

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    Middle ear

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    Inner ear

What is hearing loss?

Get an overview of the causes, types, and symptoms of hearing loss.

About hearing loss

Interesting facts about hearing

  • The smallest bones are the ossicles in the middle ear: the incus, the malleus, and the stapes.
  • The inner ear is the circumference of a pencil eraser.
  • Your ears never stop hearing, even when you sleep. Your brain just ignores incoming sounds.
  • Ears are more than just necessary for hearing; they also help you keep your balance.

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Do you think you have hearing loss?

Take our online hearing test now.

Take the hearing test

What the path to better hearing looks like