The Guardian report on some interesting researchwhich suggests a way of better understanding the minds of the great apes. (Gorilla thriller: scientists direct short movies for apes)
Researchers made a couple of short films involving humans and a human dressed as a gorilla. Thy showed the films to bonobos and chimpanzees and traced their eye movements,, when they first saw the film and when they were shown a very similar film 24 hours later.
This research suggests ways of exploring something about how our ape cousins se and understand the world around them.