Answer:
Option D, to help keep measures of brain activity within a certain range, is the right answer.
Explanation:
Neurofeedback is a kind of biofeedback that utilizes real-time images of the activity of the brain generally electroencephalography in an attempt to develop self-regulation of the functions of the brain.
Usually, sensors are fixed on the scalp to cover electrical movement, with measurements presented employing video displays. The main goal of Neurofeedback is to help keep measures of brain activity within a certain range