Today, EEG machines are used for diagnosing epilepsy and sleep disorders, for determining dosages for anesthesia, and measuring the brain activity of people in comas or suffering from brain trauma. EEG machines also continue to play a role in researching and understanding brainwave entrainment and developing new and better methods for delivering the benefits of this form of brainwave modification. 
Depression: Currently there is no substantial evidence to support the idea that brainwave entrainment treats depression in adults. Some evidence goes as far as to suggest that the wrong entrainment protocol (e.g. slow wave stimulation) may actually increase certain measures of depression. Stimulation of delta and/or theta, will likely worsen the condition and alpha is unlikely to have an effect.

These sounds in these musical tracks are presented through monaural beats, binaural beats, isochronic tones, or a mixture involving combinations of all three of these modalities, described in detail below. Choose alpha brainwave tracks for calming anxiety and relaxing body and mind, and choose theta tracks for help in getting to sleep and for bringing hidden feelings to the surface. Some people also report out-of-body type experiences when in theta brainwave states.
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Hi Marko, that isn’t one of my videos you referred to, so I can’t really answer you properly as I don’t know how their track was created. For the best answer, you should really contact the video creator. There isn’t any research that I’ve seen to suggest that you could harm your health by looping a delta track. During a typical sleep cycle, your brainwave activity will usually go up and down between the delta and theta range. It may be that you won’t experience the same quality of sleep if you spend most of your time producing mainly delta activity. With my 8-hour sleep track, I fluctuate the frequency range to try and emulate a typical sleep cycle http://www.mindamend.com/shop/sleeping-and-dreaming/deep-sleep-8-hour-sleep-cycle/.

To further illustrate how brainwave entrainment enhances your meditation practice, here is an explanation. When an experienced and advanced meditator is hooked into equipment that reads their brainwave patterns, it is most common for their brain to move from whatever state they are in before they meditate (normally a Beta or higher Alpha state) slowly down into a deep Theta rhythm.  Very advanced meditators are able to bring their brain all the way into a Delta state, which is most normally where deep sleep occurs.  To be able to bring the brain into these deep brainwave states through the process of meditation can take years of meditative practice, and lots of discipline.


Basically, the brain produces a phenomenon that results in low-frequency pulsations in the amplitude (volume) and sound localization of a perceived sound when two tones at slightly different frequencies are presented separately, one to each of a person’s ears, using stereo headphones.  A beating tone will be perceived, as if the two tones mixed naturally, out of the brain. The frequencies of the tones must be below 1,000 hertz for the beating to be noticeable. The difference between the two frequencies must be small (less than or equal to 30 Hz) for the effect to occur; otherwise, the two tones will be heard separately, and no beat will be perceived.
I have discussed these findings with my sister, and two nice which are professionals in the fields of psychology, and medicine respectively (my sister and older nice have vast experience on the psychology arena, and my younger nice is a pediatrician), and they all agree this therapy can be of a great benefit applied in conjunction with traditional self-improvement programs.
Delta brainwaves, resonating at 1Hz-4Hz, usually only occur in the deeper levels of sleep. It is even uncommon to access Delta brainwaves through meditation, unless one is very advanced, or is using brainwave entrainment. Even while using brainwave entrainment technology, it will take some mental training and practice to be able to maintain conscious awareness and not fall asleep.
Relaxation: There is already evidence that brainwave entrainment helps improve relaxation. In studies analyzing short-term stress and anxiety, significant improvements were noted. This has been verified by other studies that suggest brainwave entrainment enhances muscle relaxation in biofeedback and can help with pain reduction and migraine headaches. The relaxation-induced response of entrainment may be responsible for a variety of the benefits.
While binaural beats are the most common technique we use for producing brainwave entrainment music, we do use other brainwave entrainment techniques such as isochronic tones, monaural beats and amplitude modulation. If these techniques have been used then you will find them mentioned in the written description of the music productions that include them. If not mentioned, then you can assume that binaural beats are the only brainwave entrainment technology in use.
I would like to start off by saying that many bold statements are made about this technology from people who have a self-interest in promoting or rejecting it. We have to face the truth by accepting that people are profiting from brainwave entrainment, and as a result of this other groups of people are being affected in a negative way (from a business point of view). This is a reason why you can find all kinds of claims from someone who has never used or tested the technology.  Unfortunately I have found in my own personal journey of using brainwave entrainment that there are some great people out there making some great products, and there are also some irresponsible and untrustworthy people out there trying to grab a slice of the pie.

How does brainwave entrainment work? Consistent, precisely engineered audio frequencies in the form of binaural beats cause the brain’s frequencies to match the stimulus. Your brain perceives two beats with slightly different frequencies (which are inaudible to the ear) through your headphones. It takes the difference between the two, and matches its own frequency to it. This is called the “frequency following” response.
In the 1980s, a researcher in Japan, Tsuyoshi Inouye described how light stimulation creates synchronization of brain hemispheres. Since then, other researchers have detailed the positive effects of hemispheric synchronization including a 1984 study by researcher Dr. Gene W. Brockopp stating that hemispheric synchronization resulted in improved intellectual functioning as well as improvements in long-term memory, and these effects are cumulative over time.

This BRAINWAVE MIND VOYAGES 24 CD SET includes the following BMV CDs: Lucid Dreaming, Astral Trance, Alpha Brainwaves, Theta Brainwaves, Delta Brainwaves, Tones, Astral Vibrations, Remote Viewing, Beta Brainwaves, Lucid Dream Cycle, Lucid Dreams Hypnosis, Guided Dream Incubation, The Whales CD, Rainstorm, The Waters CD, Nature Sounds, Heartbeat Meditation CD, The Om Meditation, Ganzfeld Effect/ White Noise, Breathing Silent Mindfulness, Breathwork Yoga Yogic Breathing Techniques, Tibetan Singing Bowls, Schumann Resonance, Sacred Healing Frequencies Solfeggio Healing Tones - Using embedded brainwave neurotechnologies, your brainwaves will become tuned to the specifically chosen brainwave ranges. For centuries, it has taken years of physical, mental and spiritual training to achieve peak states of consciousness. It is now possible to induce any specifically chosen state of consciousness. Now, you can tune your brainwaves to specifically designed brainwave states, simply by listening to a Brainwave Mind Voyages CDs. PEAK EXPERIENCES AT THE TOUCH OF A BUTTON! Your awareness will become free to explore new states of clarity as you experience the effects of the embedded brainwave entrainment technology. Your conscious awareness will become free to take flight into your mind's eye. You will explore new depths as the embedded brainwave entrainment ensures that you will enter the ideal brainwave range for maximizing your brain power. Brainwave Entrainment Technology- Advanced Brainwave Training- Multi-channel binaural beats/binaural beat frequencies- Monophonic brainwave entrainment tones - New BMV entrainment technique that works without the use of headphones! Autonomic Audio Pacing Technology (AAPT) - Only found on BMV CDs! Cutting-Edge Vibrational Sound Therapy- 3D Psychoacoustic Soundscapes. Geniuses like Albert Einstein, Nikola Tesla, Jefferson, Edison and many others have utilized their natural brainwave states and now, you can too by listening to these CDs!
Binaural beats can be experienced in any float session you book.  To this point in your floating practice you may, or may not, have heard of – or perhaps already experienced – binaural beats and their effective use of being a unique option/tool to listen to while in (or out of) the tank. But what exactly are binaural beats, how do they work and why choose to listen to them? All good questions, so here we go:

So discovering the field of Brainwave Entrainment is very exciting and promising. However intriguing, there are a few things that make me a bit sceptical towards it. F.i. I’m not too keen on having to rely on any external stimuli, as (regular) meditation is one of the very few things where you are absolutely independent from anything external to make a change within, which to me makes it so special.


Audio-Visual Entrainment (AVE) is a technique that utilizes pulses of light and sound at specific frequencies to gently and safely guide the brain into various brain wave patterns. By altering your brain wave frequencies, you have the ability to boost your mood, improve sleep patterns, sharpen your mind and increase your level of relaxation, all with the simple push of a button!
Audio-visual entrainment (AVE) is an effective tool for dissociating the depressed/anxious person out of his/her destructive thoughts. Even with increasing anxiety, AVE has been shown to reduce heart rate … reduce jaw tension from stress … increase blood flow in the eyes … and increase peak-alpha frequency … Many homes have two to three [AVE] systems in them for family members to use following a stressful, tiring day in the modern world.
Thanks Lorita. There hasn’t been any isochronic tones research that I’m aware of, for anti-aging, fat loss or attracting people, or any significant anecdotal feedback. You could combine positive affirmations or hypnosis scripts with isochronic tones to try and change habits and that could help with fat loss or build confidence to attract people. But it would be the affirmations and hypnosis doing most of the work, the isochronic tones would just be used to help relax the listener and put them in a more suggestible state. I don’t believe isochronic tones can affect those things, without being used in combination with some kind of vocal mental programming.

One RCT (n=108) showed significant reduction in anxiety from a single session of alpha/delta therapy for day surgery patients. A crossover RCT of a single session of theta stimulation in four healthy adults reported significant improvement from the intervention in one of five measures. Five pre/post studies reported significant benefit from the intervention for 16 of 27 outcomes.
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