Computational constraints on syntactic processing in a nonhuman primate

被引:376
作者
Fitch, WT [1 ]
Hauser, MD
机构
[1] Univ St Andrews, Sch Psychol, St Andrews KY16 9AJ, Fife, Scotland
[2] Harvard Univ, Dept Psychol, Cambridge, MA 02138 USA
关键词
D O I
10.1126/science.1089401
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The capacity to generate a limitless range of meaningful expressions from a finite set of elements differentiates human language from other animal communication systems. Rule systems capable of generating an infinite set of outputs ("grammars") vary in generative power. The weakest possess only local organizational principles, with regularities limited to neighboring units. We used a familiarization/discrimination paradigm to demonstrate that monkeys can spontaneously master such grammars. However, human language entails more sophisticated grammars, incorporating hierarchical structure. Monkeys tested with the same methods, syllables, and sequence lengths were unable to master a grammar at this higher, "phrase structure grammar" level.
引用
收藏
页码:377 / 380
页数:4
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