How efficent is Neurofeedback for ADHD ?

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Neurofeedback has now been shown in a meta-analysis of controlled research studies carried out in a number of countries world-wide, to have the highest level of efficacy for the treatment of ADHD.

Also other studies (example, ARNS) show that Neurofeedback in contrast to medication, does have long term effects (in contrast to the effects of other approaches such as education and medication)