The 40Hz Protocol: Ashtanga Yoga as a Multimodal Gamma Entrainment System

Neuroscientists are designing elaborate protocols to induce gamma oscillations in the human brain — flickering lights, transcranial currents, near-infrared light helmets. A 2024 review in Frontiers in Neuroscience catalogues four distinct stimulation methods to achieve what the brain needs to perceive clearly, move well, and regulate emotion. Reading it, I kept having the same thought: Ashtanga yoga already does all of this. Not metaphorically. Simultaneously, and without a single device