Moving Brain Implants

A device that automatically pushes electrodes into the brain to seek out the strongest signals is taking the idea of neural implants to a new level. Scary as this sounds, its developers say such devices will be essential if brain implants are ever going to allow paralysed people to control artificial arms or work a computer. The problem with fixed implants is that the signal fades after just a few months. The researchers expect to fit a paralysed person with a moving implant within a year