In feedback systems loop gain, open loop gain, and closed loop gain are all concepts that are important to understand. The transfer function for closed loop gain is: The quantity A is known as the ...

Neurofeedback is a type of biofeedback in which neural activity is measured and presented through one or more sensory channels to the participant in real time to facilitate self-regulation of the ...

Researchers propose a novel closed-loop system merging brain-computer interfaces and peripheral nerve stimulation to enable ...