According to scientific evidence, the cochlea has hair cells for different frequencies, as people age their ability to hear high frequency degrades because hair cells responsible for high frequencies are towards the middle ear.

Do low frequency sound travel through hair cells for high frequencies?

 

you can't be serious.

 

Last edited: Nov 23, 2021

I'm serious. Why do you think this is a silly question?

 

na čemu si ti

 

This isn't a medical forum, but you basically asked if the sky was blue and that maybe it wasn't.

The fluid filled cochlea is spiral shaped and is indirectly vibrated as sound enters the ear canal it vibrates the ear drum which acts in a chain with the Malleus -> Incus -> Stapes -> Fenestra Ovallium -> Cochlea.

Air doesn't directly vibrate cillia in the Cochlea. As we age any deficiency, efficiency loss or stiffening in any of those structures will affect higher frequency waves more because they contain less energy and must overcome greater inertial losses.

I am supposing that English is not your primary language, but the phrasing of your statement/non-question makes it seem like this an ambiguous or opaque process, it is not. There are also better places to look this up than this forum and better people to ask than musicians.

Your statement basically looks like this: According to scientific evidence, gasoline burns when there is oxygen. Gasoline burns in my engine but when my engine is old maybe not so well. Is it because we get fatter and the car is old we lean back in our seat more often.

Sometimes things just get lost in translation and sometimes it's better to ask an expert than to do research on the interwebs.

 

they go through the same path, but each region vibrates to it's own range of frequency. Here (4:14)

 

what? can you guys type a little louder

 

To really understand how this all works you need to look at how sound travels from the source to your ear, and then further into your sensory organs.

Firstly, a sound is made, let's say a guitarist plucks a string. The string vibrates the air and causes a soundwave to propagate, or move through the air.

This soundwave reaches your outer ear, or ear lobe. The ear lobe has been honed over thousands of years of evolution to reflect as much of the soundwave into your ear canal as possible.

 

Not sure exactly what you asked, but here the coarse frequency response for the cochlea (from "The physics of the piano" by Nicholas J. Giordano):

 

No, low frequency sounds do not travel through hair cells that are responsible for high frequencies. Hair cells in the cochlea are arranged in a tonotopic manner, meaning that each hair cell is tuned to respond to a certain frequency range. Low frequency sounds will only travel through the hair cells that are tuned to respond to low frequencies. As people age, the hair cells that are responsible for high frequencies may become less sensitive or even die off, resulting in a decrease in the ability to hear high frequency sounds.

 

You mean hair or air?
Yes. Low frequencies can travel through hair.

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