Hello. Today, I would like to introduce a potential medical device. It may not have been popularized, seen in medical clinics or hospitals, and it may not be a controversial subject in the study of neuro-medicals. So, what is this device? The name of the device is neuro-feedback. As you can see, the word is composed of two words, -‘neuro’ and ‘feedback’. ‘Neuro’ is a prefix, which has the meaning of nerve, and ‘feedback’ is the progress of someone telling you how well or badly you are doing, and how you could improve. The amalgamation of these two meanings brings us to a conclusion – neuro-feedback is a device that helps you with your nerve problems using the established form of feedback. When we apply this device on a patient, the first