http://www.telegraph.co.uk/technology/news/7957664/Computers-that-read-minds-are-being-developed-by-Intel.html

From the article:
Unlike current brain-controlled computers, which require users to imagine making physical movements to control a cursor on a screen, the new technology will be capable of directly interpreting words as they are thought.

Intel’s scientists are creating detailed maps of the activity in the brain for individual words which can then be matched against the brain activity of someone using the computer, allowing the machine to determine the word they are thinking.