What made me start paying attention to the vagus nerve noise was this: https://www.sciencedaily.com/releases/2020/08/200806092437.htm https://www.sciencedaily.c

What made me start paying attention to the vagus nerve noise was this: https://www.sciencedaily.com/releases/2020/08/200806092437.htm https://www.sciencedaily.com/releases/2020/08/200806092437.h... This claims to improve language learning through selective non invasive stimulation. The great confusion with these things is given how the body has a tendency to recalibrate dynamically to new stable levels of stimulation the trick would be finding what sort of on/off routine is needed to create the desired effect.