ONDA de FORMA de la VOZ -- WAVEFORM of the VOICE

http://ondadeformadelavoz.blogspot.com/

https://ograndejardim.com/2016/02/05/compreendendo-as-ondas-cerebrais-e-os-tons-isocronicos/

Delfinoterapia 

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.psicologia.pt/artigos/textos/TL0093.pdf&ved=2ahUKEwiWgYmKrsfvAhVoHrkGHVKrCRQQFjAFegQIBhAC&usg=AOvVaw3S8u8xPXHt5K7ZDoEVOdUT