Brain Implant

This story is both fascinating and unsettling. Researchers at Johns Hopkins conducted a brain mapping experiment on a young man who suffered from epilepsy. Surgeons implanted a credit card-sized electrode array on the patient’s brain, intending to locate the precise area responsible for the seizures, but then they used the signals from the implanted array to control finger movement of a prosthetic arm/hand which was not attached to the patient. The experiment showed that the mind-controlled device was 88% accurate in moving individual fingers. What benefit this had for the young man’s epilepsy went unmentioned—for instance, where was the source of the seizures?  MORE

Image Credit: Guy Hotson and ScienceDaily.com