Patent ID: 8734317

Claim:
A method to improve at least one of concentration, memory, cognitive performance, and stress-relief in a subject by audio-visual entrainment, the method comprising: a) selecting a subject in need of improvement in the at least one of concentration, memory, cognitive performance, and stress-relief; b) administering artificially synchronized flashes of light and pulsed tones to the subject, wherein the artificially synchronized flashes of light are in the frequency range of 4-12 Hz and wherein the artificially synchronized pulsed tones are in the frequency range of 4-12 Hz, and c) measuring of the at least one of concentration, memory, cognitive performance, and stress-relief in the subject, wherein the measurement of the at least one of concentration, memory, cognitive performance, and stress-relief in the subject is improved, wherein the flashes of light have a wavelength in the range of 400 to 720 nm and a brightness in the range of greater than 0 to less than or equal to 16 Lx, and wherein the flashes of light include a wave form with a varying frequency.