Mind-controlled prosthetic arm debuts Looking like something out of a Hollywood sci-fi movie, the new Atom Touch prosthetic arm allows users to control movement, and even individual fingers, using their minds Support: Arm attaches to lightweight, breathable garment to distribute weight (approx 2kg) Cuff: Sensors detect electrical signals from residual limb muscles and instruct robotic arm to move Price: $25,000 – same as currently used body-powered prosthetic hooks Forearm: Houses battery and computer Control: When user thinks of moving part of their missing arm, neural signals are sent from brain to residual limb and read by cuff worn on upper arm – process called electromyography Powered wrist: Enables natural degrees of movement to turn door knob, hold glassof wine and many other routine tasks Thumb: Bends at each joint like real thumb Fingers: Control individual digits, with haptic feedback from each one aiding user’s motor controls Pictures and illustration source: Atom Limbs Sources: CNET, Atom Limbs