This article describes an experiment in Berlin using Magnetic Resonance Imaging (MRI) brain scans to predict what a person is going to think and do. Professor Greely is quoted.

"These technologies, for the first time, give us a real possibility of going straight to the source to see what somebody is thinking or feeling, without them having any ability to stop us," said Dr. Hank Greely, director of Stanford University's Center for Law and the Biosciences.

"The concept of keeping your thoughts private could be profoundly altered in the future," he said.