Scientists can use thoughts to operate computers , wheelchairs and Twitter . Score: 7 Neurosurgical Focus article says risks are slim now . According to Kohno and his colleagues , who published their concerns July 1 in Neurosurgical Focus , most devices carry few security risks . But security `` should proceed in lockstep with the technology , '' expert says .
Scientists can use thoughts to operate computers , wheelchairs and Twitter . Score: 7 Neurosurgical Focus article says risks are slim now . But security `` should proceed in lockstep with the technology , '' expert says .