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Briscoe, E. J. (2002) Grammatical Acquisition and Linguistic Selection. In Ted Briscoe, editor, Linguistic Evolution through Language Acquisition: Formal and Computational Models. Cambridge University Press.
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Grammatical Acquisition and Linguistic Selection
Ted Briscoe
ejb@cl.cam.ac.uk
http://www.cl.cam.ac.uk/users/ejb
Computer Laboratory University of Cambridge Pembroke Street Cambridge CB2 3QG, UK March 15, 1999 DRAFT CUP Evolution Book
1 Introduction This paper is part of an ongoing research effort (Briscoe, 1997, 1998, 1999a,b,c,d) to develop a formal model of language acquisition, demonstrate that an innate language acquisition device could have coevolved with human (proto)language(s) given plausible assumptions, and explore the consequences of the resulting model of both language and the language faculty for theories of language change. The paper builds on the earlier work by examining the model's ability to account for the process of creolization (Bickerton, 1981; 1984; 1988; Roberts, 1998) within a selectionist theory of language change. x1.1 and x1.2 describe the theoretical background to this research. x2 presents a detailed model of the LAD utilizing generalized categorial grammars embedded in a default inheritance network integrated with a Bayesian statistical account of parameter setting. x3 reports experiments with this model demonstrating feasible and effective acquisition of target grammars for a non­trivial fragment of UG. x4 de­ scribes the simulation of an evolving population of language learners and users. x5 reports experiments with the simulation model which demonstrate linguistic selec­ tion for grammatical variants on the basis of frequency and learnability. x6 reports further experiments demonstrating evolution of the LAD by genetic assimilation of aspects of the linguistic environment of adaptation. x7 describes the experiments modelling the demographic and linguistic context of creolization. x8 summarizes the main findings and outlines areas of further work. 1.1 Grammatical Acquisition Human language acquisition, and in particular the acquisition of grammar, is a partially­canalized, strongly­biased but robust and efficient procedure. It is a ...
BibTex
@incollection{briscoe02grammaticalAcquisition,
  author={E. J. Briscoe},
  title={Grammatical Acquisition and Linguistic Selection},
  year={2002},
  chapter={9},
  editor={Ted Briscoe},
  publisher={Cambridge University Press},
  booktitle={Linguistic Evolution through Language Acquisition: Formal and Computational Models},
  url={http://www.isrl.uiuc.edu/~amag/langev/paper/briscoe02grammaticalAcquisition.html}
}

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