The same neurons that track the hand may be trained to track the hammer. Many people when driving a car get this sense of the boundaries of the car, like it's part of their own body. This line of research may one day help people with prosthetic limbs to successfully incorporate the devices into their body schema, said Graziano. If we could understand the body schema sufficiently, we could perhaps devise better fake limbs or better training methods to allow people to adjust quickly to their new limbs. The Bulletin is published weekly during the academic year, except during University breaks and exam weeks, by the Office of Communications, Princeton University, Princeton, NJ 08544.
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