Thursday, 25 March 2010

The Truth About Isochronic Tones

Isochronic tones are an auditory means for achieving brain entrainment. Brain entrainment refers to the ability of outside stimuli to affect the brain and cause it to produce specific brainwave patterns i.e. to entrain the brain to a certain brainwave frequency such as alpha, beta, theta, delta etc.

If you are familiar with the use of binaural beats as a means of brain entrainment then you will already understand the immense potential power of isochronic tones as they essential do the same thing.

However isochronic tones differ from binaural beats in on every important fact. Binaural beats require the use of stereo headphone for the effect to be felt and for them to have any impact on the brain. Isochronic tones, on the other hand, can be used independently of headphones or earphones and can be listened to through any normal playback device such a s CD player MP3 player etc., and the brain entrainment will still take place.

As you may already know binaural beats are by no means a new technology as they were first discovered in 1839 by Heinrich Wilhelm Dove although he was totally unaware of their ability to entrain the brain. It wasn't until the 1973 when research into binaural beats, conducted by Gerard Oster, was published in the Scientific American that people realized the vast potential binaural beats have.

Oster showed that these beats could be used to entrain the brain into specific states by creating brainwaves of certain frequencies.

Binaural beats work on two natural things that occur naturally in the brain.

1. When you hear a noise you will hear it from both your right and your left ear. But because the left ear and right ear are separated on the side of your head you hear the same sound slightly differently through each ear (as you ear will hear the sound louder than the other and the ear furthest away will hear the sound slightly more muffled than the other etc.).

In order to avoid this confusion between the two ears the brain merges the input into one sound, thus ensuring that you hear only one sound and not two. This is a little like your eyesight in the fact that you see only one image instead of two images - one from each eye!

2. When the brain is subjected to external rhythmic stimuli it tends to mimic that outside stimuli. Think of a steam train chugging along and putting a passenger to sleep to get an idea of what I mean.

Binaural beats entrain the brain by presenting it with a specific frequency which the brain mimics by producing brainwaves in the same frequency range.

Binaural beats are created by sending one sound to one ear and then sending an almost identical sound to the other ear only ensuring it has a slightly different frequency.

The brain thinks that these two sounds are the same and therefore merges them as it would with any outside sound presented to both ears. However, because the two tones have different frequencies the merged tone produced by the brain has a warble effect (or beat type effect) which has a frequency that is the difference between the original two tones i.e. tone 1 - tone 2 = binaural beat.

So if tone 1 had a frequency of 200 hertz and tone 2 had 210 hertz the binaural beat would be 10 hertz (210 - 200 = 10).

As you can see it is necessary to listen to the tones through headphones or the binaural beat effect will just not happen.

However, isochronic tones use the latest audio technology to produce brain entraining tones independent of the need for headphones.

A great deal of self improvement audio products use this technology to help entrain the brain for easier imprinting of post hypnotic suggestions or subliminal commands as in some types of subliminal software.

Would you like to test the effectiveness of isochronic tones for yourself by using a free recording that is designed to force your brain to manifest your desires? Then sign up for the free personal development newsletter at isochronic tones and get an instant download now!

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