Other less common but promising targets of neurofeedback for anxiety include alpha asymmetry in the frontal cortex, and pre-frontal and limbic ‘connectivity,’ perhaps treatable through fMRI feedback. This includes frequencies in the alpha, beta and theta ranges, comprising almost half the typically measured spectrum of frequencies. However, anxiety neurofeedback has since used a wide enough range of EEG target frequency-bands and protocols. The studies thus far challenge us with many positive study results that are nevertheless contradicted by some high quality placebo-controlled studiesĪ wide range of target frequencies and protocolsĮnhancement of the widely studied alpha activity in the EEG was one of the first studied neurofeedback applications (for an intro on neurofeedback see here). Although anxiety is an adaptive response to stress, prolonged anxiety can have devastating effects on health and life, and because of the cost, unpredictability and side effects of anxiety medication, patients and care-givers alike are seeking alternative treatments. Promises, Placebos, and New Directions: Neurofeedback for anxiety shows some promising results, placebo effects and potential for new discoveryĪnxiety, according to the NIMH, affects at least 18.1% of American adults, 4% severely, and 60% more women than men.
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