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Do You Want To Discover The Power Of Brainwave Entrainment?

Oct 8, 2007
Any auditory response related to brain signals refers to binaural beat which originates from the nucleus of each cerebral hemisphere.

A binaural beat is produced when two different auditory impulses of different frequencies crossover, run parallel or interact. Theoretically, binaural beat can be used to influence specific neural rhythms and can possibly be utilized to manage consciousness, or to entrain (draw along) the brain to a specific response.

Binaural beat was discovered by Heinrich Wilhelm Dove, a German scientist in 1839. The human reaction to binaural beat is an adaptation, a proof of evolution; the structure of the human brain has developed so that it can process two tonal elements so they sound like one.

Classical example is the effect of a stereophonic headset where both channels feed different frequencies to the left and right ear. The resulting harmony is comparative to a binaural beat. The measurement of the cranium dictates what binaural beat a man can detect.

Carrier waves below 1000 Hz are most effective because at this frequency the signal wave length is proportionately longer than the entire diameter of a grown man's skull.

Sound frequencies below 1000Hz are diffracted by the skull, which can also be observed in radio wave projection. The distance that the sound needs to cover as it traverses across the skull produces different incoming signals; each ear gets only a fraction of the soundwave.

Despite this disparity, the brain "hears" the input as another frequency, one that is an integration of both. Binaural beats can also be described as fluctuating rhythms composed of the resulting difference between auditory inputs of two different frequencies. Tones of higher frequencies are less detectable. At 8000 Hz it is the external ear that is activated.

Unofficial findings point to the ability of a binaural beat to facilitate the redirecting of brain waves and effect an altered state of consciousness. Depending on the end frequency of the beat, listening to binaural beat can either be relaxing or stimulating.

Binaural beats between 1 and 4 Hz , as well as from 4 to 8 Hz can induce relaxation and can condition the listener into a meditative state. This type of binaural beat can be relied on to encourage restful asleep. Beats with a higher range of between 8 and 12 Hz can increase brain waves of the Alpha category.

Those in the range of 12 to 16 Hz, on the other hand, are associated with increased alertness and enhanced memory.

Simply hearing binaural beats per se may not necessarily propel human beings into altered states of consciousness; there are several factors that influence stimulation like the openness and capacity of the listener to let go, calm down and concentrate.

All these contribute to the effectiveness of inducing changes of a person's state of mind.


These are generated sounds, specially designed to alter ones brainwaves generating a change in the state of mind, such as joy, creativity, or relaxation. They're organically safe, non-addictive, and can be played as often as one needs to.

Scientists have been aware of certain frequencies that are associated with certain states of mind. Take for example the alpha frequency of 8 to 12Hz. This wave is accredited for the "superlearning", positive-thinking modes which can usually be obtained through meditation. This can be verified through an electroencephalograph (EEG) reading.

The ears can typically pick up only those frequencies between 20 and 20,000Hz; those as low as 8Hz simply don't register. If there was a way somehow to get the mind to hear those lower frequencies, such states of mental bliss could literally be commanded on demand.

That is exactly what Dove did. He found out that the inside brain can produce beats of a specific frequency that had direct influence on the brainwaves and ones state of mental state.

With the joint advancement of scientific research, complimented by EEG reading, these states of mind and their corresponding feelings or emotions have been identified as the object of binaural beat recordings.

Delta 1 - 3 Hz Deep sleep, dreaming, high level immune functions

Theta 4 - 7 Hz more relaxation, meditation and focus

Alpha 8 - 12 Hz Light relaxation and positive thinking

Beta 13 - 25 Hz Normal alertness and anxiety

Further studies have beefed up the concept that exposure to the featured frequencies is better at coaxing the desired state. A session that lasts more than 30 minutes at 5 Hz more than aptly substitutes around 2 to 3 hours rest from sleep.

Insomnia can be remedied with a ten minute exposure to frequencies from 4 Hz and 6 Hz, and lowering it to below 3.5 Hz for twenty to thirty minutes, then dropping to 2.5 Hz and fading out. Accelerated learning, on the other hand, can take place when exposed to binaural beats from 7 Hz to 9 Hz.


These states of mind were reflected in EEG traces when the brain was exposed to frequencies below 30 Hz:

State Frequency Range State of Mind

Delta 0.5 Hz - 4 Hz Deep sleep
Theta 4 Hz - 8 Hz Drowsiness (also first stage of sleep)
Alpha 8 Hz - 14 Hz Relaxed but alert
Beta 14 Hz - 30 Hz Highly alert and focused

The dominant frequency in the EEG pattern determines what shall be called the current state of the brain. If the amplitude of the alpha range frequencies is highest, then the brain is said to be in the alpha stage. Note, that other frequencies still exist and it is impossible to give any "exact frequency your brain is operating on."

However, later references to the brain states use the simplification of assuming that such a single frequency exists.

Entraining the brain to a desired state

The right external stimulus can entrain or draw the brain frequency along from one stage to another. A person in the beta (highly alert) stage can drift off to full relaxation when exposed to a binaural beat stimulus of 10Hz. This is also called the frequency following response.

The nearer the brain's state to the applied stimulus, the more efficient entrainment works. Executing a sweep from one frequency to another would be easier if the starting frequency is as close to the current brain state as possible. The sweep speed should be that your brain can switch easily.

This can be determined with the aid of an EEG. Playing it by ear or by simple common sense would tell that during the day it can be assumed that the brain is in the beta stage (about 20Hz); the sweep can start safely from there. If the state is already somewhat relaxed, starting frequency can be set at 15Hz or a few Hz lower.

Treatment of certain mental diseases

Depression, low self-esteem, attention deficit disorder, drug/alcohol addiction and autism, have been reported to have been remedied by brainwave entrainment. The same goes for headaches and migraines.


Even sex drive has also been reported to have been addressed by brainwave entrainment.
About the Author
Thomas Breher is an self-improvement expert.
Find out more about his program here: http://www.hiddenmindpower.com
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