Amazing 3D Video Demonstrates Human Hearing Process
All shooters, even rimfire enthusiasts, should always wear ear protection when at the range. A typical rifle gunshot is very loud — in the region of 140 to 170 decibels (the pain threshold is 130-140 db). Without ear protection, you can permanently damage your hearing during a single shooting session. We all know older shooters who are partially deaf, or who suffer from Tinnitus, because they didn’t use earplugs or muffs when they were younger.
How Humans Hear Sounds — Amazing Video Reveals All
The human sense of hearing involves multiple delicate internal membranes, bones, organs, and nerves. Shooters understand the importance of protecting their hearing, but they may not understand the bio-mechanics of human hearing. We hear sounds through Auditory Transduction. Sound waves vibrate the ear drum (tympanic membrane), but that is only the beginning. These vibrations are passed along via tiny rocker-arm-like bones to be “processed” in a spiral chamber, the cochlea. Vibrations moving through the cochlea are separated into frequencies and then sent as neural messages to the brain. It is an astonishingly complex process, one that truly seems miraculous when you examine the bio-engineering involved. In the Video below, the process of human Auditory Transduction is explained and illustrated with 3D animation. You really should watch this amazing video. By the end you will have a new-found appreciation for your ability to hear.
This remarkable VIDEO explains how humans hear sounds. We strongly recommend you take the time to watch and learn. The hearing you save may be your own!
Ear diagram courtesy Siemens Medical Solutions.
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We are fearfully and wonderfully made. This really makes you want to take better care of your hearing. So many delicate structures. Just amazing.
Wow!!!
That was cool!
Thanks for the link.
Lefty
P.S. Guys, whenever possible, wear muffs AND plugs when shooting. It doesn’t take much to kill those little hair cells. Ehhh?
At age 18, I bought my first rifle, a Sako .270 sporter and used reloading equipment. I was at the range or in fields searching for chucks every day. Back then I could not afford muffs, so I stuck cotton balls in each ear. Hearing loss runs in my family, but I was too stupid to recognize it as a future problem. Now, at age 77, I am deaf and have tinnitus in both ears. I wear 2 hearing aids, and they are a PIA, especially at matches. I remove them and wear good muffs now. Kinda like closing the barn door after the horse escapes. BTW – Many of the guys I shoot with are in the same boat. To you youngsters – always wear hearing protection.
I can vouch for the legitimacy of this video. It was used as a visual tool to learn how the ear works in my medical school. As tip shooting tip, if hunting/plinking with no hearing protection, not recommended of course, open your mouth when you fire. This will dramatically reduce the pain involved with the report of firearm.
Great video and very interesting! Thanks for posting. Featuring topics like this on the daily Bulletin is one of the reasons I continually read it, again, good job.
Too bad I didn’t see this when I was in my twenties (60’s now) – fired a .357 magnum revolver without hearing protection. After the firing session, I thought the ringing in my ears would go away…it never did, permanent damage.