Schumann resonance can be loosely defined as resonant frequency of earth and ionosphere if they are modeled as waveguide. The frequency can be written as: f=7.5n Hz, where 7.5 Hz is defined as fundamental frequency (n=1). See http://www.hese-project.org/hese-uk/en/papers/schlegel_schumann.pdf

Some people think that Schumann resonance may be used to improve human brain's healthy function, because it corresponds to alpha state of brain.

So do you think that Schumann resonance has anything to do to improve human brain's function? And if yes, then what is the mechanism? Your comments are welcome

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