Gamma frequency sensory stimulation in mild probable Alzheimer’s dementia patients: Results of feasibility and pilot studies
Fig 2
GENUS device and 40Hz stimulation schematic.
(A) Light and sound stimulation device. The white board is a programmable LED light display panel that measures at 2 feet x 2 feet. Sitting at the center of the light panel is a tablet loaded with videos to keep the viewer’s attention on the device. The black bar below the light panel is the programmable soundbar audio system. The device is supported by the legs of a black easel and positioned so the tablet is eye level when the viewer is seated 5 feet away. (B) Schematic of the electrical signals that turn the white light and the click sound pulses on or off for concurrent light and sound stimulation at 40Hz.