With mind-reading speller, free-for-all conversations that are silent and still | Science News | Scoop.it
From medicalxpress.com - June 29, 2012 3:15 AM
Researchers have come up with a device that may enable people who are completely unable to speak or move at all to nevertheless manage unscripted back-and-forth conversation.

Reference:  Current Biology, July 24, 2012 print issue.

http://www.cell.com/current-biology/retrieve/pii/S0960982212005751