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Brainwave Entrainment 101

The science behind brainwave entrainment can be explained quickly and easily.

To begin, let's start by understanding what "brainwaves" are.

We all experience different states of mind each day: states such as sleep, focus, or creativity, for example. Every state of mind has a unique electrical signature that can be detected in the brain. These signatures are known as “brainwaves.” Using specialized equipment, these waves (or frequencies) can be measured and recorded, allowing us to map what brainwaves are present during certain key states of mind.

"Brainwave entrainment" is the process of (typically) using audio and/or visual stimulation to actually change brainwave patterns. By changing your brainwave patterns, you can actually recreate certain states of mind - again, such as sleep, focus or creativity.

Usually, this works by listening to a particular brainwave pattern (a specific pulsed frequency, encoded in audio). The brain then follows (entrains) to that pattern, and as a result, changes your state of mind.

Quick example: Brainwave readings (with an EEG machine) have shown that brainwaves of 2Hz occur when an individual is asleep. Scientists can create special audio recordings, which contain an encoded 2Hz frequency. While listening to such audio, the brain naturally follows (entrains) toward that 2Hz frequency, lowering its brainwave patterns. That's "brainwave entrainment." The net result is that when listening to such an audio recording, you (the listener) will naturally fall asleep.

But it doesn't stop there. By mapping common states of mind - such as intense concentration, creativity, and relaxation - scientists are able to create recordings which replicate any of these states, simply using audio and/or visual stimulation.

In practical terms, that means we can change how we feel - simply by listening to the right "scientific" sounds.

In other areas, scientists have used brainwave entrainment to reduce chronic pain, minimize ADD symptoms, increase IQ levels, and lessen the need for anaesthetic during operations.

That's brainwave entrainment in a nutshell.

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