Different types of brain waves - Deepstash

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Sounds like hype: there's scant evidence the 'binaural beats' illusion relaxes your brain

Different types of brain waves

Specific frequencies are thought to be involved in specific cognitive tasks.

  • During deep sleep, the predominant brain activity occurs with frequencies between 1 and 4 Hertz (delta waves.) Delta waves are associated with learning and motivation.
  • Theta waves (4-7Hz) are linked to memory and emotional regulation.

Brain entrainment - where brain cells fire at the same frequency - is a real effect that happens in response to particular rhythmic frequencies perceived by our senses. A deep-pitched musical tone can cause your brain cells to start firing at the same frequency.

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The claims of the binaural beats industry
The claims of the binaural beats industry

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.

Binaural beats might affect our brains in some way

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.

How binaural beats work

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).

Exercise Benefits The Brain

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:

  • Brain waves increase
  • Increased sensitivity to surroundings
  • The building of neurotransmitters and increased neuro-connections
  • De-ageing.
Brain Waves increasing

The brain's electric impulses change, and the Beta waves increase during and after exercise, putting it in a better, more alert state.

More Sensitive To The World

Exercise makes our senses sharper and clearer, and we are more perceptive and have better sensitivity to our surroundings.