Home » Music Medicine: Sound At A Cellular Level: Dr. Lee Bartel (Transcript)

Music Medicine: Sound At A Cellular Level: Dr. Lee Bartel (Transcript)

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Dr Lee Bartel at TEDxCollingwood

Full text of Dr. Lee Bartel’s talk titled “Music Medicine: Sound At A Cellular Level” at TEDxCollingwood conference.


Dr. Lee Bartel – Sound expert and researcher

Many years ago, I grew up on a honey farm in western Canada. And so every summer and fall, I’d be in the honey house extracting honey from the honeycomb. A very sweet job.

And without fail, a couple of drops of honey would land on one of the belts. So one of the machines and start to go squeak, squeak, squeak to drive me nuts.

And just as inevitably a cricket would walk into the honey house and would go chirp, chirp, and chirp.

What always amazed me was that it didn’t take very long before what started as a sort of a random chirp would synchronize with the squeak on the belt.

Why this was happening was a question that lingered in my head for very many years, until I discovered the principle of entrainment in physics; how one rhythmic vibrating object will synchronize with another.

And so I used that idea and started creating music to affect your brainwaves. Music like this pleasant music. But it had a very specific rhythmic structure that would allow me to help you go to sleep, help you relax, even help you focus.

Many years after I started doing this, I discovered that I could just use a single pitch like this… 40 Hertz, remember this sound very low, it’s like low E in the piano.

But with this, I found I could help people reduce their pain. Even reduce Alzheimer’s symptoms.

These three sounds, the cricket, the music and the low frequency pitch are all potentially music medicine. Each of these sounds features a rhythmic structure that allows it to impact cells in your body.

In fact, my research recently has shown that stimulating cells with sound of this sort can reduce the risk and impact of some common health problems. This is where you’re supposed to say, wait, what?

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So there are two parts to this that I need to unpack for you so you can understand what I’m getting at.

The first is how sound impact cells in the body. Sound which includes music but not all sound is music, but all music is sound, is in essence vibration, molecular compressions in the air that come to your ear or to your skin if you feel it as vibration as you may have done with a 40 hertz.

The ear has hair cells in the cochlea that translate this vibration into electric signals so that the auditory nerve carries this to the brain. So when you encounter a click, like this, what’s happening is that compressions of air, air molecules are coming to your ear and your ear is translating that into an electric impulse and sending it to your brain, something like this.

So it goes up the nerve and into the neuron. Except it’s not one neuron. It’s probably a thousands or millions of neurons that are responding right to that click. Just a bit of information here. When we have one click coming to our ear, we call it one Hertz, it’s a measure per how many per second. When it’s five per second, we call it five hertz. When it’s 40, we call it 40 hertz.

And the brain wave is measured in the same way as Hertz. So 40 per second or 40 hertz sound will be called Gamma because it’s in the category of gamma brainwaves.

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