Monkeys Think, Moving Artificial Arm as Own—Past studies have shown humans who have been paralyzed for years can control a cursor on a computer screen with a cursor. This new study, conducted by the National Institute of Biomedical Imaging and Bioengineering, shows that two monkeys with sensors implanted in their brains, can control a mechanical arm to reach for food and even adjust to the size and stickiness of morsels. Experts not involved in the study said the findings were likely to accelerate interest in human testing, especially given the need to treat head and spinal injuries in veterans returning from Iraq and Afghanistan. (Source: New York Times, May 29, 2008)

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