Communicating through your thoughts alone is possible — with a little technical assistance.
Scientists at the University of Washington’s Center for Neurotechnology have figured out how to network human minds together to collaborate to move Tetris-like shapes on a computer screen using only thoughts.
It works like this: Three players, including one main player, sit in separate rooms and watch game pieces cascade down a computer screen. Using telepathy (and a lot of hardware, including a heavily wired brain cap), two players “tell” the main player which way to move the pieces to clear the bottom row.
Link: Full Article – How Computer-Assisted Telepathy Helps Humans Communicate