Coupled Audio-Visual Sensory StimulationC. Using headphones and LED glasses, light and sound are transmitted simultaneously to stimulate and enhance Gamma brain rhythms at a 40Hz frequency for a duration of 1 hour. The audio and visual stimulus is delivered in the form of square waves as these are more activating then other periodic waveforms, sine waves or sawtooth for instance. The stimuli is presented at a 50/50 duty cycle as research indicates these have the largest frequency following response in the human brain. Two white LED’s are used for light stimulation which pulse at 40 times per second. Sound is delivered through over the ear headphones pulse at 40 times per second. The devices are calibrated to 40hz with a minimum accuracy of 99.997% over a period of one hour. No claim is made regarding this device to treat or diagnose any illness. The item “Gamma 40Hz Light and Sound Stimulation Device” is in sale since Friday, September 27, 2019. This item is in the category “Health & Beauty\Natural & Alternative Remedies\Light Therapy Devices”. The seller is “b.m.e.electronics” and is located in Carbondale, Illinois. This item can be shipped to United States.
- Brand: Undisclosed