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Within the field of neurotechnology, Neurofeedback , also called neurotherapy, neurobiofeedback or EEG biofeedback is a therapy technique which presents the user with real-time information about activity within their brain, as measured by electrical or blood-flow sensors on the scalp.
Brain activity is monitored and processed to provide feedback to the user in one of several ways, for example a video game rocket ship might accelerate when desired brainwaves are produced , or a film or music might pause when undesired brainwaves are produced. The user then uses this feedback to develop the brainwaves they wish to create and as a consequence, learn to gain more control over their brainwaves and therefore how they think and feel in every day situations. Neurofeedback has been used to help a range of conditions including ADHD and addictions.