Does Neurofeedback Work?

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2004-09-28 08:51

When an ADHD child is given a task requiring attention, instead of increasing beta waves, sometimes he increases theta waves, the daydreaming brain wave. These children have what is known as a high theta/beta ratio. Using neurofeedback, a technique was developed to train ADHD children to increase the beta/theta ratio.

This is how it works: Over a series of 40 or more neurofeedback sessions, children are gradually taught to inhibit the brains production of theta waves and increase the brains use of beta waves. A large number of children can learn to make these changes. As the children learn to adjust their brain wave patterns, they show an improvement in cognition, and a reduction in ADHD symptoms and behavior. This symptomatic improvement is similar to what we see when the children take stimulant medication. There is one significant difference, however.

When children take stimulants, the effects last a few hours. As the medicine wears off, the ADHD symptoms return. When children learn to control their brain waves using neurofeedback, the improvement in ADHD symptoms does not disappear. The child is better.

I'll say it again differently. When a child completes his neurofeedback training and the treatment is successful, he now has a normal beta/theta ratio, and many or all of his ADHD symptoms disappear. This improvement is permanent. There have been follow-up studies over a decade. Any gains the child makes stays with him.

This means that when the treatment is successful, it probably works for life. This makes neurofeedback a very significant treatment. No other treatment makes a permanent change like this. All of this is extremely exciting, provided that it is true.

The Counterclaim

However, many ADHD researchers, most notably Russell Barkley, say it is not true. Barkley claims that there is little or no evidence that neurofeedback works at all. He maintains that the supporting research is sloppy and does not prove anything. In an interview, Barkley expressed his skepticism.

"Case studies prove nothing because they're totally uncontrolled. There's an aura of medical intervention here. High technology in a medical environment has a high placebo effect... It's not the equipment. It's the exercises, the mental exercises they are telling these kids to do. (Some kids may be getting better) with maturation alone and some kids don't have ADD."

Another critic of neurofeedback is neurophysiologist, Sam Goldstein. Goldstein is not quite as negative as Barkley, but he echoes many of the same reservations.

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Comments

Could it still be effective on a 21 yr old adult who has been plauged with ADHD type symptoms his (my) entire life?
I have had it done and I am 38 along with my fraternal twin brother. Speaking for me and my brother, we are cured. I felt the difference by the 4th treatment and had my 20th 6 weeks ago. We took the IVA-plus test (The best test out there for this) in the beginning and at the end of treatment and ranked above average on all categories tested for. My brothers’ first test had very low scores at about 30 in all categories and average is 100. I have four kids and my two oldest tested positive for ADHD. One is 9(boy) and the other 7(girl). My 4 year old shows all signs for it and my one year old, just can't tell yet. They just finished their 20th treatments and no real significant changes to be said and this based on taking the test before and after their treatment. Maybe they need more sessions but for now, do not feel that it would make a difference.
My son, who is now 27, was afflicted with ADHD all through his school life. However, he did not have this treatment, but as he grew up, git a job and worked hard, he controlled his ADHD and lives a 'normal' life. There is on cure for ADHD, it's just that as sufferers grow, they are more able to cope and control their symptoms. In fact my son knows exactly what situations are bad for him, but he can now deal with them. He is a lovely, well adjusted young man. My advice is don't waste your money, the are plenty of tried and tested strategies to help.

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