222@31

Chimps, Chumps, and Language

Researchers     Primate                Style

1) Hayes'         Chimp                    Speech

2) Kellogg's'    Chimp                    Speech

3) Gardners'   Washoe             AmSign Lan

4) Terrace     Nim Chimpsky  AmSignLan

5) Premack    Sarah                Plastic Symbs

6) Savage-     Kanzi                Lexigram bd

     Rumbaugh                    13000 words

                                          20000combinations

2

Yerkes primate center: attends language classes with mother, Lana, and exhibits extraordinary observation and generative language. Kanzi's performance provides the best evidence available so far that a nonhuman not only can learn a substantial vocabulary but also can learn to form word combinations characterized by grammar.