Reo, a paralyzed chimpanzee, learned to walk on his hands thanks, in part, to a touch monitor. Scientists at the Primate Research Centre at Kyoto University in Japan used a touch monitor to display cognitive tasks and a feeder to present food rewards. This setup encouraged Reo to walk between the monitor and the feeder.
http://m.news24.com/news24/Green/News/chimp-uses-touch-screen-to-learn-to-walk-20160707
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Reo, a paralyzed chimpanzee, learned to walk on his hands thanks, in part, to a touch monitor. http://bit.ly/2aA0oTo