In this article, I am going to discuss about Binaural Beats and how they affect the brain. There are lots of claims about binaural beats over the internet. But what actually these binaural beats do to you? Some people say they can evoke meditative state, which is true to some context. Other people may claim that they can make a drug effect which is absolutely false. By binaural beats, you can alter your consciousness. It’s more like meditation.
Binaural Beats effect the brain in multiple ways. We really understand what binaural beats are? Because most of the times, people think that I am plugging the ear-phones into my ears and listen to the beats over head phones and so I am listening to the beat.
But actually you are not listening to the beats. You are listening to two different separate tones. One tone you are listening in your left ear and another tone you are listening in your right ear, both with different frequencies. Now the question comes, if it both has tones then from where the beat comes in?
The answer is, it comes in right in your brain and it’s called “Auditory Brainstem Response (ABR)”.
To better understand this, please look at the image. You have one tone (Wave 1) is playing in your left ear and another tone (Wave 2) in your right ear. Remember both are from different frequencies. Then all those spots when they cross are the binaural beat as shown in Green Wave and your brain interprets that beat in your brainstem. The beat turns out to be the difference between these two tones. Let’s say if you have 315Hz tone in one ear and 325Hz tone in another. The difference which is 10Hz would be the Binaural Beat. The binaural beat will be equal to ABR.
It’s really cool when you think about it. You are not actually hearing that beat. It’s sort of tricking brain, it’s working on, a mechanism within our brain that help us to process sound.
So next question is How Does this Auditory Brainstem Response works?
One of the things that happen is called a Frequency Following Response (FFR). FFR happens in the particular neurons. Neurons have the action potentials. That is how they transmit information from one neuron to the next. During the ABR, when those neurons interpreting the binaural beat of such low frequency, FFR happens in neurons. As a result, neurons start to entrain. It’s also called Brainwave Entrainment.
It’s like making a wave in lake and when you do that it will start rippling. If you keep making waves, then they will start constant waves going to the constant action. In the very similar way, your brainwave becomes entrain. It starts in one area of your brain and spread to various areas of your brain and simulates your brain in a positive way.
The FFR happens because your neurons are interpreting your binaural beats. So they rapidly fire action to a consistent beat. So, if it 10Hz, they are going to fire action on 10Hz.
Now the next question comes into mind is, if there is any scientific evidence that can prove the benefits of the brainwave entrainment or if brainwave entrainment affects Human Growth Harmone?
Fortunately, the answer of this question is ‘YES’.
Dr Vincent Giampapa, the head of Longevity Institute International and Past-President of the American Board of Anti-Aging Medicine, tested the effect of audio brainwave entrainment on hormones. He found increase levels in melatonin and DHEA, and reduced levels in cortisol.
To sum up briefly this is what they found
In certain brain wave frequencies the brain releases numerous highly beneficial substances, including (HGH) human growth hormone. As we become older, the brain creates lesser quantities of these beneficial substances and we therefore develop various ageing symptoms and diseases.
- At the slower Alpha and Theta brainwave patterns, production of DHEA and melatonin increases significantly.
- One study noted an increase in DHEA of as much as 44%.
- Some even had DHEA increases of up to 90%.
Impressive and encouraging findings, I’m sure you will agree.
Now I am going to share some really great tips to get the best out of Binaural Beats
Use over the head stereo headphones. If you can afford then use noise canceling stereo headphones. Normal one could cost you about $19 on major online stores but believe me it’s worth investing this much amount of money. Don’t use the regular ear buds. Sure, they will come with your iPods or with your portable devices but they will not give you good sound quality as desired. So, ear buds are not recommended.
Use good quality eye mask. If you will search on Amazon with Memory Foam Eye Mask, you will find that one. You can also get some cheaper eye masks, but I still recommend memory form eye mask as it’s a bit bigger and block all the light with its special little pockets underneath your eyes. In other words, it seals all the areas around your eyes to avoid the light comes into your eyes.
So, to get the best out of the binaural beats just lay down. Use the over head headphones and Memory Foam Eye mask as mentioned above, keep your spine straight and be completely still. The more you will move your body or muscles, the more you will destruct your brain.
So, relax your body and enjoy the binaural beats.
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