Neurofeedback is a method that helps people learn how to control their brain activity. This methodology involves tracking brainwaves, which are electrical impulses in the brain. Brainwaves can be measured using a tool called an EEG. The EEG records the various kinds of brainwaves, such as α, β, theta, and https://s3.us-west-1.amazonaws.com/neurofeedback-therapy-equipment/brain-computer-interface-bci-devices.html