Researchers believe that advances in microelectronics and medical imaging are “bringing us closer to a world where mind reading is possible and some blindness is overcome with visual prostheses.” But as alluring as some of the possibilities may be, the capabilities of such technology may very likely have a nasty downside. “Researchers may one day find brain activity that correlates with behavior patterns such as tendencies toward alcoholism, aggression, pedophilia, or racism.” If so, what will that mean for those so labeled?