How Do We Hear?
Of our senses, the auditory organs are the most sophisticated. The ears are made up of nine parts: the outer ear or pinna, ear canal, ear drum, the hammer, anvil, stirrup, cochlea, Eustachian tube, and the auditory nerve. Compressional waves only turn into sound once your inner ear processes them and sends them to the brain via the auditory nerve. It is the brain that interprets them into sound.
So how do we hear? The pinna locates the source of the sound, and directs it into your ear canal. The eardrum, at the end of the ear canal, vibrates in response to the waves hitting it and then the hammer sends the vibrations to the anvil which passes them on to the stirrup. From there the vibrations pass onto the inner ear which is the cochlear with liquid inside. The Eustachian tube controls the amount of pressure in the ear and the auditory nerve carries the vibrations to the brain where the brain interprets it as sound.
The production of the compressional waves, to your brain interpreting them, is all happening within milliseconds. If your hearing is healthy, surrounding sounds will be constantly monitored by your brain and help you to place yourself within your surroundings.
Here is a link to a You Tube video by the National Institute on deafness and Other Communication Disorders, that visually explains how sound is produced by the ear and brain.
Sounds that damage your ears
Over exposure to loud noises makes the tiny hair cells in our cochlear get over stimulated and over time, stiffen and petrify, no longer responding to sound waves or distorting them instead. This can cause hearing loss and tinnitus.
To avoid exposure to excessive noise and gradual hearing loss as we age, we should take precaution with wearing ear protection. If you work in an industrial environment, you should be wearing industrial quality ear muffs or ear plugs.
If you are a musician or someone who likes to socialise in loud environments, there are high quality ear plugs that filter out harmful sounds and lower the decibels entering your ears. A lot of us listen to music on our devices with earbuds delivering the music straight into our ear canal. It is predicted that the younger generation will have greater hearing loss when they age than ever seen before. It is important not to blast our ears with our favourite music.
We have a quick little video from You Tube by Centre for Disease Control and Prevention that effectively demonstrates how loud noise effects the tiny hairs in the cochlear.
The Hearing Cub
The Hearing Club is a local and independent hearing service provider. Our aim is to assist the hearing impaired to achieve the greatest enjoyment from life.
We are a family business accredited to provide services through the Commonwealth Office of Hearing Services system, WorkSafe and experienced in excellence providing services to private clients in the area. We are proud of our history and commitment to the local community improving lifestyle through better hearing.
To make an appointment with one of our professional staff please call 1800 627 728. If you need some good quality ear plugs that are specially moulded to your ears, please give one of our professional staff please a call on 1800 627 728. To find a clinic near you, contact us online today.