ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,539, issued on May 19, was assigned to OptoCeutics ApS (Berkeley, Calif.).

"Modulation of the theta-gamma neural code with controlled light therapeutics" was invented by Marcus Carstensen (Frederiksberg C, Denmark) and Ngoc Mai Nguyen (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Gamma brain stimulation (around 40 Hz) is performed using light pulses. To perform theta brain stimulation (around 7 Hz) without perceptible flicker, the light source is also strobed at 47 Hz (also within the gamma range). The brain perceives the 40 Hz and a subtraction frequency of 7 Hz (in the theta range). The combined gamma and theta wave stimulation o...