Sounds like hype: there's scant evidence the 'binaural beats' illusion relaxes your brain
Binaural beats are an auditory illusion that has stress-busing properties. Proponents claim that listening to binaural beats can boost focus, promote relaxation, and reduce stress and anxiety.
However, some studies concluded that the impact of binaural beats on cognitive performance "remains to be seen."
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Many companies are making daring affirmations that binaural beats work like “digital drugs” to “biohack” your brain, that have the power to unlock your memory and creativity while keeping away stress, headaches and insomnia. An entire industry has sprung up around the concept.
But the evidence for binaural beats’ therapeutic powers is not at all conclusive. A lot of big claims have been made without adequate verification.
They may boost our attention span, calm our anxiety and promote pain relief, although evidence is still insufficient. Studies showed that the effects increased the longer people listened.
But whatever mechanism is creating these changes remains unknown.
You can hear these beats best with a pair of good headphones. When each ear picks up a slightly different pitch, the brain tries to compensate and finds a frequency somewhere in the middle. This supposedly causes both hemispheres of the brain to harmonize their brainwaves, a phenomenon called neural entrainment.
Brainwaves are the regular patterns that firing neurons create in our brains, so binaural beats could be bringing these rhythmic patterns into alignment (some research still debates this).
Any kind of exercise, be it aerobic, walking or Yoga, changes the brain's composition, structure and the way it operates. The changes that happen to the brain:
The brain's electric impulses change, and the Beta waves increase during and after exercise, putting it in a better, more alert state.
Exercise makes our senses sharper and clearer, and we are more perceptive and have better sensitivity to our surroundings.