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How we hear

The ear is a sophisticated, sensitive and complex organ. In order to understand what it means to have hearing loss, it’s probably best to look at how the ear works.

The ear consists of three sections:
  • The outer ear is made up of the external part that sits outside your head and the ear canal conn3ected to it. At the end of this ear canal is an eardrum, which forms the country to the middle ear. Think of your outer ear as a satellite dish that picks up sound waves and conducts them into your eardrum

  • The middle ear is an air-filled space where air pressure is regulated by the Eustachian tube, which connects the middle ear to the throat. There are three tiny bones in the middle ear called the hammer, the anvil, and the stirrup. These bones help conduct the vibrations from the eardrum into your inner ear

  • The inner ear, also called the cochlea, is shaped like a snail shell and filled with fluid. The movement of the fluid activates the hair cells in the inner ear. When these hair cells are activated, they send impulse via the acoustic nerve to the brain, which perceives these impulses as sound
This complex process helps your hear the sounds around you. When something goes wrong in this system you may develop a hearing loss.