![]() Though the majority of people can engage in binaural beat therapy without any issues, those with neurological or cardiac issues should be cautious. What Can Be Some Dangers of Binaural Beats? Some use binaural beat tracks to get into lucid dreams while sleeping. Other people choose to listen to binaural beats in the Gamma state for working on assignments for work or school. Some binaural beat tracks will take you through many different stages to ease you into a deeply relaxed state. So if you’re really stressed out and want to meditate, you can listen to binaural beats in the Alpha, Theta and/or Delta range. This is also called Brainwave entrainment. ![]() But once the brain starts to generate the difference between the two tones (the binaural beat), then your brain starts to mimic or follow the wave that you’ve selected to listen to. If it wasn’t for our brain’s “ Frequency Following Response” (FFR) listening to binaural beats would just be an interesting listen. If you play the tones through a stereo rather than headphones the tones will mix, and you’ll hear the sound, but, because you are hearing the sound, you brain doesn’t make up the difference. But when you’re listening to both sides at once, your brain starts to make up that difference. If you take off one ear bud, you’ll just hear a regular tone, and the same goes for the other side. That is the resonating pulse you hear when you listen to them. If you hear the frequency of 172 Hz on one side, and 177 Hz on the other side through headphones, your brain makes up the difference, 5 Hz. The word binaural means “having or related to two ears”, the “bi” portion of the word is for two and the “aural” portion is related to ears. ³ This effect was discovered in 1839 by Heinrich Wilhelm Dove. How Do Binaural Beats Work?Ī binaural beat (or binaural tone) is an auditory illusion that occurs when you are listening with headphones to two different pure tone sine waves, both with frequencies lower than 1500 Hz, with less than a 40 Hz difference between them. Some researchers found lucid dreamers as high as 40 Hz. When you become lucid in a dream you may end up in the Gamma state. You may end in REM sleep and start dreaming, which would be the Gamma state. When you sleep your brain doesn’t just stop processing it actually starts to process more. ² Or if you meditated before bed you might slip into the Alpha, Theta, or Delta state. If you went home and switched on the TV, you would likely switch to Alpha within a minute of watching it. Once you get back from work you become more relaxed and may go from the Beta state into the Alpha state. When you have to really use your brain for more difficult problem-solving tasks you might enter the Gamma state. Then once you get to work, there might be a very challenging project you have to work on. The “zoning out” is called highway hypnosis (or white line fever) and you might have dipped back into the Theta brainwave state. After getting ready for work, you might get onto the highway and “zone out”. But as soon as you started thinking about what you have to do that day, you’d end up in the Beta state. Our brainwaves are constantly changing, so you might wake up in a drowsy state from your dreams which would be Theta or Alpha state. If they were constantly in a state of Delta we wouldn’t be able to think properly or learn things. If our brains were constantly operating in a state of Beta we wouldn’t allow our bodies time to relax and heal themselves. The five frequencies that our brain can be operating on are: Gamma, Beta, Alpha, Theta, and Delta. Listening to binaural beats can change the frequency of our brain into another state and some people use them in order to relax more easily after an intense day at work, tap into their more creative side in order to solve a problem or work more efficiently, or even to plant affirmations into their subconscious to reprogram themselves.
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