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Check out the rhesus monkeys in Robert Bazell's report on robotic research to help paraplegics for NBC. They have learned to control a mechanical arm at a University of Pittsburgh laboratory by thinking: "When those neurons fired correctly the monkeys got food." And check out John McKenzie's A Closer Look into treatments for debilitating psychological depression at the Cleveland Clinic on ABC. Neurosurgeons stimulated the brain of mental patient Diane Hire with bursts of electricity, opening up her skull while she was awake. A small pulse--"I am starting to smile. I feel happy." Higher voltage--"I feel good." Turn the dial up some more: "I just feel happier." She walked away from surgery with a pacemaker in her chest, permanently wired to her non-depressed deep brain.
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