Audio Visual Stimulation (AVS) Technology

Brain waves do not “determine” your state of mind – they are caused by it.” Source: Steven Novella, M.D.

Brain wave training has been found to yield excellent results in facilitation of human memory, attention span, and relaxation (Hutchinson, 1994). Furthermore, this research has been demonstrating brain-wave training as an effective intervention in impaired levels of functioning due to ADHD, learning disabilities, physical brain trauma, & psychological trauma (Ochs, 1993). Source: An Empirical Investigation into the Effect of Beta Frequency Binaural Beat Audio Signals on 4 Measures of Human Memory by Richard Kennerly.

Entrainment is the process of synchronization, where vibrations of one object will cause the vibrations of another object to oscillate at the same rate. External rhythms can have a direct effect on the psychology and physiology of the listener. Source:

“They (mind devices) are being used by scientists, educators, physicians and psychologists for everything from accelerated learning & athletic peak performance training to remediation of chronic medical and psychological problems. And all of these applications are based on the simple premise of making the brain more mentally fit – promoting awareness and control of the basic cycle of cortical relaxation and activation and the flexibility to move within the cycle at will. Source: Exercising Your Brain for Peak Performance by Dennis Campbell: Total Health, Aug 96, Vol. 18, Issue 4, pg. 34.

“Harold Russell, Ph.D. – reported research that showed L/S at Beta frequencies 18-21 Hz appeared to improve the cognitive functioning of ADHD children.” Reported at the Association of Applied psychophysiology & biofeedback annual meeting in Dallas, Texas – 1991. Source: The Clinical Guide to Sound & Light by Thomas Budzynski (see reference).

“The device [mind machine], with appropriately selected stimulation protocols has been observed by us to be an excellent neuropathway exerciser. … Furthermore, the long-term effects of regular use of the device on maintaining and improving cerebral performance throughout life and possibly delaying for decades the deterioration of the brain. Robert Cosgrave Jr. Ph.D., M.D. Source: Time Flashes: A Short History of Sound & Light Technology by Michael Hutchison, pg. 6

Audio Visual Stimulation

Audio Visual Stimulation (AVS) Technology plays a large role in the cognitive revolution that is sweeping through the 21st century. Although the use of sound and or light for healing, relaxation and achieving altered states of consciousness (ASC) has been used for centuries, it’s only recently that the scientific community has reawakened to its phenomenal potential.

AVS Technology is related to EEG Neurofeedback and Biofeedback technology. While EEG Neurofeedback is more of a precise system of brainwave stimulation (BWS) reading and delivery, AVS provides a more general application of BWS. EEG Neurofeedback is also much more complicated of a system to work with and as a result it requires specialized, extensive training for usage. Not to mention EEG Neurofeedback is also a much more expensive system to work with. The good news is that you can achieve similar results, though more general with an AVS system and if you decide to go into the field of EEG Neurofeedback, you will have learned much of the information through your study and experience with AVS technology.

There is a difference between biofeedback and AVS. Biofeedback is used to condition the nervous system, while AVS stimulates specific patterns of activity in the brain. With biofeedback you become aware of processes normally unavailable to conscious inspection. The awareness includes understanding how it feels to increase or decrease the selected process (a state of relaxation or arousal). In the end, both will get you to the same destination but the journey differs.

Benefits of Using AVS

Although results vary with the individual, the results on a whole have been favorable. Some of the benefits of sound and light brain entrainment reported are:
– Increases in I.Q. especially in children with ADD
– Improved memory and attention span
– Reduction of stress
– Better results in meditation (deeper trance achieved)
– Pain management and relief
– Addiction relief
– Replace lost sleep, reduce fatigue
– Higher scores on tests
– Improved cognitive ability
– Accelerated learning
– Easier access to hypnotic state

The more control you can acquire over your brain states, the more emotional and mental control you acquire over your life.

Brainwave Frequencies overview

A brainwave is an electrochemical rhythm which occurs across the surface of the brain known as the cerebral cortex. This rhythm measures cortical arousal which reflects a corresponding state of mind.

A brainwave is measured on the surface of the scalp where all the bioelectrical activity occurs. The cerebral cortex makes up 80% of the brain’s mass.

This biochemical electricity is produced in the brain through frequencies measured in hertz. “Hertz” is measured as beats per second.

We categorize groups of these frequencies according to the range that is associated with various states of mind.

These frequencies correspond to normally four measurable groups of frequencies – Beta, Alpha, Theta and Delta. Note: High Beta (24 – 70 Hz) is referred to as “Gamma”. Low Beta (12 – 15 Hz) is referred to as “SMR”.

Even though all four frequencies are found in the brain at all times, there will always be one or two dominant frequencies. Through entrainment, our goal is to make the desired frequency a dominant frequency at the desired time.

When creating a program, it’s best to use the range of frequencies in the target area instead of producing segments focusing on one frequency because A) habituation easily occurs when you only use one frequency, thus making the treatment less effective, and B) not every person responds the same way to a frequency. For example, while 10 Hz may produce the desired result in one person, 11 Hz will produce the same in another person.

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Relaxation, meditation, learning peak performance, stress reduction and deeper sleep; these are just a few reasons why so many individuals worldwide are discovering the benefits of Audio Visual Stimulation (AVS) devices or light and sound machines. Also known as “Mind machines” these devices can gently guide your mind into desired states, such as helping you relax, sleep better, reach meditative states more quickly… and more.

Whether you are a long time follower of neurotechnology or are just discovering its powerful possibilities, we have something for you here. Light/Sound synthesizer Photosonix machines have made it easier for many to reach that elusive few minutes of calm.

MindPlace Photosonix InnerPulse Light Therapy Sound Machine
Photosonix Nova MindPlace Pro Light & Sound Machine Sensory with Colortrack Glasses

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