Schedule

October 28, 2021
  • Annemarie Kocab October 28, 2021  16:30 - 18:00

    Title: The Origins of Language: Evidence from Nicaraguan Sign Language
    Abstract: All human societies have languages capable of expressing the richness of human thought. To what extent is this achievement an historical accomplishment, similar to mathematics or science, and to what extent does it rely on our evolved cognitive capacities? I study these questions by looking at language creation in different communities, including Nicaraguan Sign Language (a new language only 45 years old), homesign systems, and laboratory-created communication systems. I will present results on how a new language comes to have temporal language, quantifiers like “some” and “all", and devices for marking event participants. In these cases, I find evidence for rapid emergence of linguistic structure within a few generations. One possible explanation for these findings is that features that emerge early are those that reflect underlying shared semantic structures that are universal (or nearly) in languages. In contrast, the features that emerge later (e.g., grammatical morphology) may be those that vary across languages and require convergence and iterated learning.

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