Jan Scheuermann, who has quadriplegia, takes a bite out of a chocolate bar she has guided into her mouth with a thought-controlled robot arm. Research assistants Brian Wodlinger, Ph.D., and Elke Brown, M.D., watch in the background.  Over at the Defense Advanced Research Projects Agency, also known as DARPA, there are some pretty amazing (and often top-secret) things going on. But one notable component of a DARPA project was revealed by a Defense Department official at a recent forum, and it is the stuff of science fiction movies.  According to DARPA Director Arati Prabhakar, a paralyzed woman was successfully able use her thoughts to control an F-35 and a single-engine Cessna in a flight simulator.  It's just the latest advance for one woman, 55-year-old Jan Scheuermann, who has been the subject of two years of groundbreaking neurosignaling research.
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