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How Hearing Works

Story at-a-glance -

  • Your ears capture sound traveling through the air as vibrations in air pressure
  • The outer part of your ear, or pinna, catches the sound waves first and helps you determine whether they come from behind you, above you or below you
  • Once sound waves pass your outer ear, they enter your ear canal and trigger vibrations to your eardrum, which are amplified by tiny bones called ossicles
  • The amplified vibrations from your eardrum travel to the cochlea in your inner ear, where sounds are translated into nerve impulses that your brain can recognize and understand as distinct sounds

By Dr. Mercola

It’s easy to take your hearing for granted, but the complex process that occurs when your ears pick up a sound and translate it into information your brain can understand is truly remarkable.


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