![]() ![]() Specific frequencies are thought to be involved in specific cognitive tasks. The frequency of this synchronous firing can be measured with EEG (electroencephalograpy) electrodes on the head. It is thought that large groups of neurons can fire together to share information within the brain. The brain is made of billions of nerve cells (neurons), which transmit information to one another across huge networks of interconnections. ![]() What are these different types of brain waves? In other words, listening to binaural beats allegedly promotes brain waves associated with our most relaxed states. The purported relaxing effect is allegedly due to the fact that these frequencies are similar to the frequency of brain waves that occur during deep sleep, as opposed to the higher-frequency brain waves associated with conscious activities. It has been claimed that this third frequency prompts brain cells to begin firing at the same frequency – a process called “entrainment”. The resonance between the two frequencies is interpreted as a third sound (termed a “binaural beat”, because it involves two sound inputs, and is heard as a frequency in between the two played frequencies). Here’s three hours’ worth – are you relaxed yet? What are binaural beats?īinaural beats is a perceptual illusion that occurs when two slightly different frequencies (notes) are played into each ear separately, typically using headphones.
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