Isochronic tones work by influencing your brainwave activity and they can’t directly affect the body. That said, the brain does control the body, so sensations and feelings can sometimes be felt in the body after stimulating your brainwave activity. Some people who are new listeners of this type of audio can sometimes feel tingling sensations in their body. Not everyone feels this and these sensations usually stop once you get more used to using the audios. Isochronic tones are considered as a safe technology. However, sometimes they can leave you feeling temporarily fatigued, especially if you listen to them for an extended period (hours) when you first start using them. If you felt fatigued, I would recommend using them for a much shorter period while you are getting used to them and ensure you are well-hydrated.

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Alpha (12hz – 8hz) – Awake, but deeply relaxed. Simply closing your eyes will produce alpha brainwaves. This category is associated with daydreaming, visualization, imagination, light meditation. Brainwave expert Anna Wise called the alpha range the bridge between beta and theta. (More information can be found in Wise’ book The High-Performance Mind)
Beta stimulation: There is evidence that stimulation within the beta range can improve attention, measures of intelligence, relieve short-term stress, decrease headaches, and decrease behavioral problems. Some evidence even suggests that beta could decrease emotion-based exhaustion. Many people with slower frequency brain waves may benefit from regular beta stimulation.

In 1984 medical researcher Dr. Gene W. Brockopp published a paper making several conclusions of audio and visual entrainment (AVE). Such conclusions were that hemispheric synchronization caused by AVE is related to increased intellectual functioning, practiced use of AVE overtime leads to a cumulative effect, and AVE may result in the recovery of early childhood experiences.
The training process allows you to consciously access deeper levels of your brain and consciousness. Your whole brain power and function expands. You become intuitive, relaxed yet focused, creative, your thoughts become clearer and information processing improves more and more. The left and right brain hemisphere synchronizes and you'll start using the full power of your left (analitycal - logical - Intelligence) and right (creativity - imagination - visualisation) hemispheres together. To say that this helps in all imaginable areas of your life is an understatement. You'll also begin to discover deeper realities beyond the physical. You become happier, more relaxed and balanced.

Holosync is often seen as the ‘gold standard’ of brainwave entrainment. The Holosync program features 13 different levels which are listened to for 4-6 months before your brain will have adjusted enough to the technology to be able to move on to the next level up. Starting at level 2 of the program, Holosync goes the extra mile by incorporating your own chosen positive affirmations – recorded in your own voice.
***NOTE: (Last one) Please do research on which brainwaves do what before just trying out the first track you find! Also read descriptions of what frequencies are being used in the track, so you know what you are training your brain to! (Example: You struggle with OCD and have some anxiety. You see a track titled “Clear, Focused Thinking” and you try it out w/o reading the description. You either do not experience anything or you end up with worse anxiety/headache than before. If you knew before starting, that your problems were caused by too much Beta wave activity in your brain and the track was all low Beta ramping up to high Beta – you would not listen to it!)
Absolutely. Binaural beats were first discovered over 150 years ago, and their use in brainwave entrainment audio has been the subject of a great deal of scientific exploration over the last 35 years in particular. Millions of people use brainwave entrainment music to enhance their quality of life and to experience deep relaxation. In fact, brainwave entrainment technology is now used for more than just meditation. It is also used by a variety of practitioners and private users for improving self-confidence, stress relief, pain management, relaxation, improving and concentration and improving the quality of one's sleep. If you would like to read an objective third party report on binaural beats, please refer to this Wikipedia article.

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.
All I want is the chance to prove to you that everything I’ve said in this letter is absolutely real and true and that Holosync®, and the program I’ve created around it, truly will change your life. With our No-Questions-Asked One-Year Money-Back Guarantee, there’s absolutely no risk to try Holosync® and find out for yourself just how dramatically it will improve your life.

Scalar waves are a constantly regenerating energy source that imprint a signature on your body with lasting positive effects. They strengthen chemical bonds within DNA, making it more resistant to damage and cleanse blood and cells to improve immune function. They impart energy that helps mental focus, and increase amplitude of all EEG frequencies, but particularly the lower levels where deep rejuvenation, relaxation and healing occur. They leave you feeling refreshed and energized, with lasting pleasant sensations that continue long after each brainwave entrainment session.


How brainwave entrainment works is quite simple. A tone or beat is overlayed into a track (usually with nature sounds or calming music) that pulses on and off at a specific rate. The frequency of that rate is matched by the brain, thus leading it to produce brainwaves that correspond with that particular frequency. The specific frequency range determines the brainwave produced (ie: alpha, theta, delta, gamma). For example, if the beat is pulsing on or off at a rate of 7hz, your brain will produce brainwaves at the frequency of 7hz, which are theta waves.
I just wanted to thank you guys for having such an outstanding product available. I used to meditate when I was younger but got away from it over the last 7-8 years. I had difficulty starting back up, but since I started using your cds I have no difficulties getting back into it; and am now meditating 2 hours per day and have never felt better. I have only been using them for a couple weeks but have already noticed a difference. Thanks again for creating such a wonderful product and I will be sure to recommend it to everyone.
A study by Tina Huang, PhD, and Christine Charyton, published in the September 2008 issue of the journal, Alternative Therapies examined the results of twenty previous studies measuring the effectiveness of brainwave entrainment for improvements in cognitive dysfunction and deficits, stress reduction, pain management, migraine and headache control, pre-menstrual syndrome, and behavioral difficulties, and all showed significant improvement in symptoms using entrainment techniques.
Regarding split hemisphere isochronic tones. Think of this as two separate isochronic tones tracks playing independently of each other, one playing in one ear and the other one in the opposite ear. Better still, imagine someone playing and recording a drum beat at a rate of 5 taps per second (5Hz – 5 cycles per second). Then a separate recording of a drum beat is made at a rate of 10 taps per second (10 Hz). You then make an audio track where the left ear/channel hears the 5 drum beats recording and the right ear/channel hears the 10 beat recording. With headphones on, each ear can only hear each respective drum beat and not the other. So you are hearing two different beat recordings at the same time, but it’s different in each ear. A split hemisphere isochronic tones track works just the same. You hear two beats at the same time, not two tones as with binaural beats that create a single beat, but two different speeds of beats in each ear. This is what enables you to stimulate and influence each side of the brain with a different frequency of beat. Binaural beats can only stimulate and influence a whole brain effect using a single beat.
In the past, the most common method of inducing specific brainwave states was through the use of binaural beats. One specific beat was played in one ear (through stereo headphones) and a different beat was played through the other. What the brain would naturally do in hearing these variated beats was create its own beat from the combination of the two (ie if a beat at 100 Hz was played in one ear, and a beat of 110 Hz was played in the other, the brain would resonate at 10Hz). Aside from this directing the brain into a specific state, it also causes the two hemispheres of the brain to synchronize, promoting whole brain functioning. More recently, other methods have been discovered for inducing specific brainwave states, such as isochronic tones, and monaural beats, but the bottom line is that
Hi Julie! You’re very welcome for the info. In answer to your question, I think some are probably good, and some not so good. There are many people putting brainwave entrainment out there these days and it is not so easy to figure out which ones are and aren’t of reliable quality without investing time and doing some research. I would say (in general) that paid products are probably better quality than free ones, but I couldn’t guarantee this is a golden rule. My best advice is to just do your research before spending too much time listening to the freebies.
EquiSync’s design is based on the 100’s of studies performed on the effectiveness of brainwave entrainment technology, and 1000’s of studies on the powerful benefits of meditation. If you are interested in better understanding the power of this technology and rapidly expanding field of research, then here is a very abbreviated bibliography, a very small sample of the studies out there:

Since it’s humble beginnings, the science of brainwave entrainment has evolved to be one of the most potent and powerful ways to unlock the full potential of the human mind. Our audios have been created by brainwave entrainment engineer, Ashton Aiden, and his years of research, expertise, personal experience, and creativity. We are confident that the audios we offer on this site are of the best quality you will ever find, anywhere.
Please feel free to browse through the reviews in the navigation bar, as I have personally tested each and every product listed for an extended amount of time.  Also, do check out the brainwave entrainment audios and bundles we offer as well. Only the best products have even been able to make it onto this site. Rest assured that the products you are reading up are the “cream of the crop” as far as brainwave entrainment audio quality, and overall effectiveness.
The activity of neurons generate electric currents; and the synchronous action of neural ensembles in the cerebral cortex, comprising large numbers of neurons, produce macroscopic oscillations. These phenomena can be monitored and graphically documented by an electroencephalogram (EEG). The electroencephalographic representations of those oscillations are typically denoted by the term 'brainwaves' in common parlance.[4][5]
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