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What Is The BrainWave Generator
The BrainWave Generator is an MS Windows-based computer program that generates stereo sound capable of inducing an altered state of consciousness, including the alteredstates of consciousness ideal for learning how to have an out-of-body experience. The program is shareware, meaning only certain functions are available to non-registered users. In the case of the BrainWave Generator, you cannot import or export "presets" unless you register the program. (More on "presets" in a moment.) All other functions work normally. Unlike recorded sound, the BrainWave Generator produces sound programmatically through the sound card on your personal computer. The controls for each sound program are pre-set to play for a certain amount of time at given frequencies; often there are different voices and layers of sound, sometimes modulated to create a rich, overall experience. Each program’s pre-set sound controls are referred to as a “preset”. The BrainWave Generator can be downloaded for free at www.bwgen.com. It comes with several default presets such as "Sleep Induction", "Meditation", "Learning Aid", etc. Mastering Astral Projection: 90-day Guide to Out-of-body Experience includes a CD-ROM that comes with a special version of the BrainWave Generator. This version has 25 different default presets, each one custom designed for learning to have an out-of-body experience. (These 25 presets are also available for free download in the BrainWave Generator on-line presets library.)


The Technology Behind the BrainWave Generator
Brainwaves are attributed to electrical activity in the brain, which can be measured by an electroencephalogram (EEG) when electrodes are placed on the scalp. The dominant brainwave frequency is said to be the current state of brain activity or one’s state of consciousness. States of consciousness have been classified into various categories:
State Frequency range State of Consciousness

Beta 14Hz - 30Hz Awake, alert
Alpha 8Hz - 14Hz Relaxed meditative state
Theta 4Hz - 8Hz Drowsiness (also first stage of sleep)
Delta 0.5Hz - 4Hz Deep Sleep

Theory Behind BrainWave Generator

EEG and the brain's state

EEG (Electroencephalography) technology is used to measure brain's electrical vibrations from the surface of the scalp. The resulting EEG pattern will contain frequency elements mainly below 30Hz. The frequencies are categorized into four states as follows:

State	Frequency range	State of mind
Delta	0.5Hz - 4Hz	Deep sleep
Theta	4Hz - 8Hz	Drowsiness (also first stage of sleep)
Alpha	8Hz - 14Hz	Relaxed but alert
Beta	14Hz - 30Hz	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

If external stimulus is applied to the brain, it becomes possible to entrain the brain frequency from one stage to another. For example, if a person is in beta stage (highly alert) and a stimulus of 10Hz is applied to his/her brain for some time, the brain frequency is likely to change towards the applied stimulus. The effect will be relaxing to the person. This phenomenon is also called frequency following response.

When the brain's state is close to the applied stimulus, entrainment works more efficiently. Thus, when doing a sweep from one frequency to another, the starting frequency should be as close to your current brain state as possible. The sweep speed should be such that your brain's state changes steadily with it, so that the difference never gets very large. In practice, it is difficult to determine your brain state without extra equipment (like EEG devices). However, you can quite safely assume that during the day your brain is in the beta stage (about 20Hz) and you can start the sweep from there. If you are already somewhat relaxed, you can use a start frequency of 15Hz or a few Hz lower.

Stimulating the brain with binaural beat frequencies

The easiest way of applying stimulus to the brain is via ears. Other senses could be used as well, and vision is actually used quite often (often in addition to hearing). However, humans cannot hear sounds low enough to be useful for brain stimulation, so special techniques must be used. One such special technique used is called binaural beats.

If the left ear is presented with a steady tone of 500Hz and the right ear a steady tone of 510Hz, these two tones combine in the brain. The difference, 10Hz, is perceived by the brain and is a very effective stimulus for brainwave entrainment. This 10Hz is formed entirely by the brain. When using stereo headphones, the left and right sounds do not mix together until in your brain. The frequency difference, when perceived by brain this way, is called a binaural beat.

The effect of the audible frequencies used

To get a stimulus of 10Hz, you may use tones of 500Hz and 510Hz, or 400Hz and 410Hz, or 800Hz and 810Hz, or so on. The only requirements are that the tone is heard well enough and that it is below about 1000Hz. Below 1000Hz, the wavelength of the skull is sufficiently small so that the sound waves curve around it.

You may try out different audible tones with BrainWave Generator and see which ones work best for you.

Altered brain states

As mentioned above, applying a stimulus to the brain will eventually bring the brain's state closer to the stimulus frequency. The following paragraphs describe some possible effects of this.

Note, however, that just passively listening to binaural beats does not necessarily alter your state of consciousness. For example, willingness and ability to relax and focus attention affects how effective the binaural beat stimulus is for inducing state changes.

Helping in meditation

Meditation is essentially about willingly being able to alter one's brain frequency to a desired state. While meditators have traditionally used several years to learn the techniques of meditation, you can now attain the same effect with brainwave entrainment. No special training or great discipline is required. Good meditation frequencies are in the alpha range, from 8Hz to 13Hz.

When a certain brainwave state is experienced and practiced over a period of time, the brain will "learn" the state change and it will become easier to self-produce the desired brainwave state at will. Thus, using brainwave entrainment, you can expect to get some of its effects later even without any entrainment.

Reducing learning time

The theta stage (4hz - 7Hz) has been found to increase learning capabilities. In fact, children spend more time in theta stage than adults, which probably explains the accelerated learning capabilities of children.

Alpha frequencies are also useful for learning purposes. You can play language cassettes, subliminal tapes, etc. during an entrainment session for a maximum effect.

Reducing sleep needs

Some people have found that half an hour a day of the Theta stage can replace up to 4 hours of sleep.

Treatment of certain mental diseases

Brainwave entrainment is used in treatment of depression, low self-esteem, attention deficit disorder, drug and alcohol addiction and autism, to name a few.

Brainwave entrainment has also been found helpful in alleviating headaches and migraines.

Miscellaneous

Some users have also reported increases in their sex drive as a result of brainwave entrainment.