Brain Training with 40Hz Gamma Light and 40Hz Sound HIGHLIGHTS • Use 40Hz gamma light alone or combine with brain games and 1000+ book library • 40+ cognitive games designed for people with low computer skills: Chess, Sudoku, Tic-Tac-Toe, Clocks, and 100+ other brain games, from very easy to challenging • A personalized Life Coach that includes Guided Meditations, Exercises, Daily Planner, and more New research suggests that light and sound delivered at a certain frequency —40 flashes or cli