Cockatoos Understand Full Object Permanence - Including Invisible Trajectories

At a young age, kids learn that the cookies are still there, even though they have been placed in a jar. And they learn that a car driven into a tunnel will reappear on the other side.  The ability to represent and to track the trajectory of objects which are temporally out of sight is important in many aspects - and also cognitively demanding. In non-human primates, only the great apes have shown convincing abilities there. Alice Auersperg and her team from the University of Vienna and Oxford have shown that "object permanence" abilities in the Goffin Cockatoo (Cacatua goffini) equals apes and four year old human toddlers.  read more

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