Field Ledger Archive
13,278 entries across the years, 2003–2026.

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
Read the essay →Currents
This week kept circling back to the same question: where is your energy actually going? It showed up everywhere. In the prana vayus—those five currents that move breath and life force through the body—the practice isn't about forcing energy somewhere new. It's about noticing where…
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