“Researchers in the UK have been testing a thought-operated computer system to reduce the symptoms of Attention Deficit Hyperactivity Disorder (ADHD) in children. The system, called Play Attention, involves the child playing a fun, educational computer game while wearing a helmet. The helmet picks up brain activity in the form of EEG waves related to attention. As long as the child concentrates they control the game — as soon as their attention waivers the game stops.” 
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