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The Brain Song Audio Program: 12-Minute Daily Mental Clarity
The Brain Song holds the promise of stimulating natural BDNF production through the use of sound frequencies designed to “awaken” underused regions of the brain responsible for memory and clarity.
https://ppgh.fflch.usp.br/sites/ppgh.fflch.usp.br/files/webform/qualificacao_humana/_sid_/TheBrainSong1Reviews-hy7va.pdf