The Science
Physiological
https://www.sciencedirect.com/science/article/pii/B9780128037263000031
Management of Chronic Pain
https://psycnet.apa.org/record/1993-14776-001
Braintap
https://braintap.com/braintap-science/
Technical Overview
https://cdn.shopify.com/s/files/1/0589/0726/3156/t/3/assets/BT-TechnicalOverview-v01-SEP2019.pdf
The History
Not long after the discovery of the Alpha brainwave by Hans Berger in 1929, researchers found that the strength of the wave could be "driven" beyond its natural frequency using flickering lights.