How Brain-Computer Interfaces can Aid in Communication

University of Maryland Press Releases
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Technological advances are now allowing the brain to communicate directly with computers. This will have many very significant advances in the far future but one of the uses which we can expect to see reasonably soon is the use of computers to display works and sentences of patients who are unable to communicate in the traditional way.

Experiments done in Jacksonville Florida 2009 had very promising results as there were successfully able to display words on a computer monitor using just the brain as in interface. 

This will be a great help to people suffering from paralysis or other conditions such as Locked-In Syndrome, which is where the sufferer is completely conscious but has no control of almost all voluntary muscles. When this technology becomes available, it would once again allow them and others to communicate with the outside world again.