hi. I was trying to find something similar recently and was unable to do it. Several years ago I was at the university in Russia at neurophysiological department and we were trying to create BCI (Brain-computer interface) - speller, the program that allows users to type messages without their limbs. while playing games is great the primary goal of this BCI approach is to help people with some disabilities to overcome them. The basic principal is that when a person pay attention to a letter on the screen for example a special electrical potential is generated in the person's mind and that specific potential (P300) can be noticed with the help of the special program which helps to understand what the letter that person was looking at and wishing to type. What was funny at that department is that there was a wheelchair which could be controlled by using the same BCI approach (by the power of our thoughts). excellent hunt and very useful!!! )
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