Jan Scheuermann, who has quadriplegia, brings a chocolate bar to her mouth using a robot arm she is guiding with her thoughts. Researcher Elke Brown, M.D., watches in the background. Click the photo to download it in high resolution. (Credit: UPMC)

Woman With Quadriplegia Feeds Herself Chocolate Using Mind-Controlled Robot Arm

Dec. 17, 2012 — Reaching out to “high five” someone, grasping and moving objects of different shapes and sizes, feeding herself dark chocolate. For Jan Scheuermann and a team of researchers from the University of Pittsburgh School of Medicine and UPMC, accomplishing these seemingly ordinary tasks demonstrated for the first time that a person with longstanding quadriplegia can maneuver a mind-controlled, human-like robot arm in seven dimensions (7D) to consistently perform many of the natural and complex motions of everyday life.

In a study published in the online version of The Lancet, the researchers described the brain-computer interface (BCI) technology and training programs that allowed Ms. Scheuermann, 53, of Whitehall Borough in Pittsburgh, Pa. to intentionally move an arm, turn and bend a wrist, and close a hand for the first time in nine years.

Read more: Woman with quadriplegia feeds herself chocolate using mind-controlled robot arm — Science Daily.

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