Do we want brain scanners to read our minds?

What nightmare could be worse than being buried alive? Conscious, terrified, but unable to communicate through the impenetrable barrier of a coffin lid and a metre of earth. In the past few days, this ultimate horror has been transformed from the stuff of bad dreams and B movies to two very different front page stories. - Do we want brain scanners to read our minds?

Study Finds Cognition in Vegetative Patients Wall Street Journal
Doctors communicate with vegetative state patient BBC News
New York Daily News - Medscape