Chip reads mind of paralysed man
Ian Sample The Guardian science correspondent Thursday March 31, 2005 A severely paralysed man has become the first person to be fitted with a brain implant that allows him to control everyday objects by thought alone. Matthew Nagle, 25, was left paralysed from the neck down after a vicious knife attack in 2001. He uses a wheelchair and is unable to breathe without a respirator, and doctors say he has no chance of regaining the use of his limbs. But following an operation at New England Sinai Hospital in Massachusetts, Mr Nagle has become the first patient in a controversial trial of brain implants which could help disabled people to be more independent by tapping into their brain waves. During the three-hour operation, electrodes were attached to the surface of Mr Nagle's brain. They were positioned just above the sensory motor cortex, where the neural signals for controlling arm and hand movement are produced. Surgeons completed the operation by fitting a metal socket to Mr Nagl...