How does Binaural beats change brain chemistry? Like deeper sleep, better focus, brain hemisphere synchronisation? Does it actually work?

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How does Binaural beats change brain chemistry? Like deeper sleep, better focus, brain hemisphere synchronisation? Does it actually work?

In: Biology
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Apparently yes. We had some studies that proved they had an effect on your mood.

It works better when the target frequency is close to the current brain frequency, so combining them with an EEG that measures your brain frequency and adjusts the Binaural beats to slowly guide your brain improves the effect. This is called “Mindmachine”

It works because different frequencies in our brain relate to different states (sleeping, high activity and so on). A binaural beat sends such a frequency from the outside, and our brain has a tendency to follow it. Since those frequencies are outside of the acoustic spectrum we have to “cheat” the frequency in as the difference between both ears.