Wednesday, February 3, 2010
This blog is all about various stimulation technologies:
1) Audio-visual entrainment (AVE): Also known as brainwave entrainment (BWE). Some people also refer to this technology as "mind machines." Using flashes of light and pulses of tones, AVE can safely and easily guide people into various brainwave states depending on the rate of stimulation.
2) Cranio-electro stimulation (CES): By attaching small electrodes behind the ear (or on the ear lobe) and pulsing a small current, CES can help the brain produce endorphins. There are over 120 studies on CES, covering drug/alcohol rehabilitation, depression, anxiety, insomnia and mental performace.
3) Transcranial direct current stimulation (tDCS): By putting a small polarized DC current across the cranium, tDCS can enhance or reduce brain activity under the electrode. Most people use it to enhance brain function, but sometimes it is used to inhibit brain activity for reducing seizures. There are over 75 studies on tDCS, most of them from the University in Gottingen, Germany and some from Harvard Medical School.
In this blog, we will also be discussing nutrition, which also stimulates the brain in a chemical way. Many health challenges can be improved with a proper diet and healthier lifestyle.
We are interested in promoting non-drug approaches to reducing the symptoms of psychological disorders and improving overall well-being. We will be sharing information and suggestions to help you feel great and keep your "mind alive".
Now, let's have some FUN!
I have two questions regarding light stimulation, and one regarding audio stimulation.
My first question relates to whether it makes a difference in how the brain responds to Field-Independent Stimulation via Tru-Vu Eyesets, if the eyes are kept opened vs closed - i.e. light entering directly through the exposed pupil as in the diagram on the Website, versus light striking the closed eyelids first and diffusing within the eyeball?
My second question relates to how the brain reacts to light stimulation if the stimulus is omitted from the closest regions to the ridge of the nose – i.e. stimulus coming from the extreme left corner of the left eye & extreme right corner of the right eye, only?
My last question is whether it is best to use only visual stimulation and avoid audio stimulation for people who are deaf of one ear?
Thank you for sharing of your knowledge & research… your published manuals are my most trusted source of information.
If the stimulation is omitted from the nasal area, then the brainwave driving will be cut in half and dissociation (drifting into trance) will be reduced and perhaps not possible for some people.
The audio produces about 1/3 of the entrainment, so using the headphone will reinforce the AVE mildly to that hemisphere. More importantly, a noisy environment hampers entrainment, so the headphones will help to reduce ambient external noise.
Also, even though I haven't used my DAVID machine yet, my daughter took the headphones and they are now "overused" and one side doesn't work. I too would like to know if it is safe to use any other headphones with the unit.
Yes, you can just use regular stereo headphones for your units. We also sell replacement headphones for $39 USD/CAN.
Unfortunately, we are not offering training this year at our Edmonton location. The only AVE training offered this year will be in Atlanta, Georgia. The information for this training is available at:
We are often asked about seizures, so Dave has written a new blog post responding to your question.
“CES has been in clinical use in the U.S.A. since 1963 and Europe since 1953. Hundreds of thousands of patients have been treated with CES over the years… ” (Smith, 2007, p. 19)*
You do not need to feel the stimulation in order for it to be effective. We usually recommend increasing intensity until you can feel the stimulation, then decreasing intensity so that you can just barely feel it or not at all. “High intensity” is not required for it to work.
*Smith, R. B. (2007). Cranial electrotherapy stimulation: its first fifty years, plus three: a monograph. Mustang, OK: Tate Publishing.
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Are any of the sessions on the David Pal good to use to bring BP down?
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