Device to Move Your Fingers for You, Sony and Tokyo University Study

In an interesting meshing of robotics and prosthetics development, Japanese researchers from Tokyo University working in conjunction with Sony Corporation, have created an external forearm device capable of causing independent finger and wrist movement. Introduced on the Rekimoto Lab website, the PossessedHand as it’s called can be strapped to the wrist like a blood pressure cuff and fine tuned to the individual wearing it. The PossessedHand sends small doses of electricity to the muscles in the forearm that control movement, and can be "taught" to send preprogrammed signals that replicate the movements of normal wrist and finger movements, such as plucking the strings of a musical instrument.

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