Validating the efficacy of neurofeedback for optimising performance tallahassee speed dating
Length of training depends can vary between individuals.
For problems of recent onset (such as a recent head injury, or a depression, or a situation-triggered anxiety) with a person who has a fairly healthy neurological system, the training may be short—from 10 to 20 sessions.
Half an hour of voluntary control of brain rhythms was shown to be sufficient to induce a lasting shift in cortical excitability and intracortical function.
Another drawback is that much of the research is focused on a small sample size due to funding issues.
Arns, M, de Ridder, S, Strehl, U, Breteler, M, & Coenen, A. Efficacy of neurofeedback treatment in ADHD: The effects on inattention, impulsivity and hyperactivity: A meta-analysis.
Biofeedback treatments of generalized anxiety disorder: Preliminary results.
For problems of longer duration, 20-40 sessions may be required.
For deeply entrenched, chronic problems, treatment may be commensurate with the amount of time the condition has existed. Efficacy of neurofeedback treatment in ADHD: the effects on inattention, impulsivity and hyperactivity: a meta-analysis.