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Monday, 26 July, 1999, 17:33 GMT 18:33 UK
Chimps' language skills in doubt
![]() Kanzi is reputed to be one of the LRC's brightest pupils
By Environment Correspondent Alex Kirby
Reports that apes have an innate linguistic ability and can be taught to communicate with humans have been questioned by several authorities on primates. The reports say that chimpanzees and other apes at Georgia State University's Language Research Center (LRC), using a computer system attached to a voice synthesiser, have learnt enough words to make simple sentences. The computer is a flat panel with hundreds of touch-sensitive squares, each bearing a symbol or image corresponding to a word in the animal's vocabulary. Touching the square makes the synthesiser produce the appropriate word. One bonobo (pygmy chimpanzee), Kanzi, can use the system to say: "I want a cup of coffee, please". Another, Panbanisha, is said to know around 3,000 words.
"They can use language effectively to make requests", he said. "But whether they're understanding what they're doing is a much more difficult mystery to disentangle." Dr Sambrook was asked whether the LRC's work did not at least show that humans and great apes were closer than many people believed. "I personally have no problem with being as close as possible to the chimpanzees. "But if you look at their production of language, you'll find it's vastly different from the manner in which, for example, a child uses language. Dr Sambrook quoted an earlier researcher's verdict: "Were a four-year-old child to use language in the way a chimpanzee uses it, we would consider that child disturbed." Jim Cronin is director of the Monkeyworld ape rescue centre in Dorset.
Mr Cronin, speaking on BBC Radio Five Live, said: "What do the chimpanzees or orangutans ever get out of all this?" "I look at all this research, and everybody says: 'Should the chimps have human rights?' "They don't have any rights here at all. I would get a 400-pound pygmy chimp - three times overweight - who's been isolated, and wonder 'Is that cruel?' "I hear about a gorilla who's been raised since 1972 on his own, in isolation, because it would seem that isolation's the key to being taught this. "And I wonder who's barbaric here." |
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11 Feb 99 | Science/Nature
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