Word: rumbaugh
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Dates: during 1980-1980
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...University of California at Santa Barbara, using plastic symbols of different shapes and colors to represent words, taught his prize pupil, Sarah, some 130 words and reported that she had also mastered some phrases. At the Yerkes Regional Primate Research Center in Atlanta, the husband-wife team of Duane Rumbaugh of Georgia State University and Susan Savage-Rumbaugh, employing a language of their own invention, called Yerkish (its symbols are projected onto a screen when an ape presses the appropriately marked key on a console), even got two chimpanzees to communicate with each other in this artificial "tongue...
...researchers are taking a long, hard look at their own work. Premack, now at the University of Pennsylvania, thinks that Terrace's tactic of trying to treat Nim like a human baby was "silly and ill-advised," but he agrees that animals are incapable of spontaneous conversation. The Rumbaughs maintain that their more recent experiments preclude the possibility of trainers giving cues, consciously or sub consciously, to the subjects, but they have their own reservations about the linguistic ability of apes. Acknowledges Duane Rumbaugh: "There is no solid evidence to date that would indicate that...