Neurofeedback is a type of biofeedback that measures brain waves to produce a signal that can be used as feedback on brain activity to teach self-regulation. Neurofeedback is commonly provided using video or sound, with positive feedback for desired brain activity and negative feedback for brain activity that is undesirable.
Further Reading:
4 Options for Using Neurofeedback at Home
Biofeedback vs. Neurofeedback: What’s the Difference?