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The Biological Origin of Linguistic Diversity ...
Abstract: In contrast with animal communication systems, diversity is characteristic of almost every aspect of human language. Languages variously employ tones, clicks, or manual signs to signal differences in meaning; some languages lack the noun-verb distinction (e.g., Straits Salish), whereas others have a proliferation of fine-grained syntactic categories (e.g., Tzeltal); and some languages do without morphology (e.g., Mandarin), while others pack a whole sentence into a single word (e.g., Cayuga). A challenge for evolutionary biology is to reconcile the diversity of languages with the high degree of biological uniformity of their speakers. Here, we model processes of language change and geographical dispersion and find a consistent pressure for flexible learning, irrespective of the language being spoken. This pressure arises because flexible learners can best cope with the observed high rates of linguistic change associated with divergent cultural evolution following human migration. Thus, rather than genetic ...
Keyword: FOS Biological sciences; FOS Computer and information sciences; FOS Physical sciences; Multiagent Systems cs.MA; Physics and Society physics.soc-ph; Populations and Evolution q-bio.PE
URL: https://dx.doi.org/10.48550/arxiv.1302.2937
https://arxiv.org/abs/1302.2937
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The Biological Origin of Linguistic Diversity
Baronchelli, Andrea; Chater, Nick; Pastor-Satorras, Romualdo. - : Public Library of Science, 2012
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