There's no shortage of apps and technology that claim to shift the brain into a "theta ... beta is linked with higher anxiety and more active states, with attention often directed externally alpha ...

A personalized electronic facial tattoo that wirelessly monitors the brain can tell when the organ is being overworked and ...

When we fall asleep we go from drowsy, light attention that’s easily roused (alpha), to being relaxed and no longer alert (theta), to being deeply asleep (delta). The question on many people’s ...