By allocating frequencies of waves produced by the brain measuring changes in electrical activity and infrastructure of thought technology using it in treatment is called neurofeedback. It is a system visualizing the relationship between thought and waves produced by the brain. Biofeedback is a thought technology, a system that measures skin resistance body temperature, respiratory rate, muscle tension and heart rate with special electrodes and visualizes the relationship between physical sensations and thought. It is a successful treatment option for psychiatric cases that causes experiencing of anxiety and physical symptoms of anxiety, attention training, stress management and thought control. In our institutes we are using Neuroguide Nbf system and normative data base.