Neurofeedback—hype or hope?

Research has shown that biofeedback is a viable alternative treatment especially for disorders like headache and hypertension. The aim of this review paper is to illustrate ideas of a promising application of electroencephalograph (EEG) in biofeedback. This sort of biofeedback is called neurofeedback and its efficacy in treating epilepsy and Attention Deficit Hyperactivity Disorder (ADHD) is discussed. Lastly, a brief history of the study of neurofeedback is presented.