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The LENS, or Low Energy Neurofeedback System, is a neurofeedback system that uses feedback directly to the skin of the scalp, and requires no visual or conscious feedback. The feedback directly to the scalp insures that it is the client's self regulation, rather than the therapist's regulation that regulates the feedback. The feedback travels down the same wires carrying the brain waves to the amplifier and computer. Although there is no measurable feedback signal, the feedback produces a measurable change in the brainwaves without conscious effort from the individual receiving the feedback, which makes it ideal for children. The LENS software allows the EEG signals that are recorded at the scalp to control the feedback. ​Neurofeedback uses a feedback frequency that is different from, but correlates with, the dominant brainwave frequency. When exposed to this feedback frequency, the EEG amplitude distribution changes in power. Most of the time the brain waves reduce in power; but at times they also increase in power. In either case the result is a changed brainwave state, and much greater ability for the brain to regulate itself.

FAQ

1. Which type of symptoms and conditions are appropriate for Neurofeedback?

LENS treatment can be used in addressing a variety of conditions that appear to be associated with irregular brain wave activity. Some of these conditions are hyperactivity and ADD, learning disabilities, conduct problems, sleep disorders, depression, anxiety, traumatic brain injury (TBI), post-concussion syndrome, seizure disorders, autism spectrum disorders, migraines, chronic pain, and addiction among others.

2. How many treatments does it take?

As many as it takes for each unique individual to feel substantially better on most symptoms identified on the CNS Questionnaire. Generally after an intake, map and three sessions, a therapist might be willing to make a prognosis (ten sessions might do it, or “this looks like a longer process, twenty minimum and maybe more–are you up for it?”). It is generally better to spread the treatments out more and more and “taper off” rather than stopping abruptly, and our clinical experience has been that the effects last longer.

3.Can the LENS harm my brain?

We have no recorded instances of the LENS causing harm from structural changes to anyone in over twenty years of use of the LENS and its predecessors. The LENS provides information in the form of biofeedback. By using feedback frequencies that are closer to the brain’s own than something like the powerful MRI field, tRMS, or even pulsed magnetic stimulation, the LENS achieves brainwave changes with gentle feedback information that may also be obtained with considerably stronger signals. We have no indication among professional providers (who talk to each other daily on a list-serve) of any long term “messing up” of anything, rather the reverse. And while no harm has ever been recorded, any kind of change process, even beneficial ones, can be temporarily disruptive The clinician providing the service can give you an estimate of just how disruptive one might expect the changes to be by evaluating your symptoms, sensitivity, hardiness, reactivity, and your history to maximize the support for you.

4.Are the effects of LENS treatment permanent, or do they fade?

The longer the course of treatment with continual improvements, the more “permanent”. If, however, during an early “honeymoon phase” (a not infrequent experience) the person is so much better that they think they are "fixed" and stop abruptly. In this case, there may be regressions, and the old patterns (brain memory, muscle memory, old habits) may reassert themselves. However, for people who are quite robust underneath, but had a sudden setback, a very few treatments may suffice. Under these circumstances, the nervous system and body prefer the flexible and healthy state, and it can last even with so few treatments.

5.​Do you treat yourself?

No, LENS treatment is provided by Certified LENS Practitioners only. You can visit our FIND A PROVIDER page for a complete and current listing of certified providers around the globe.

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