FOIA deep study · declassified archive
Hemi-Sync & Brainwave Coherence Language in FOIA
Official language: strengthen amplitude/frequency coherence of brainwaves.
The Gateway assessment describes training designed to bring enhanced strength, focus, and coherence to brainwave output between the hemispheres. That phrasing is the cleanest official bridge to modern binaural-beat product language — exploratory, not a clinical trial database.
Educational FOIA index entry. Always verify wording on the official primary PDF.