Origins of word-learning principles

Imai Mutsumi

doi:10.11225/jcss.4.1_75

Researchers have agreed that children learn words in a principled (e.g., Carey, 1982; Markman, 1989). Several important word learning principles, including the whole object assumption, the taxonomic assumption, the shape bias, the mutual exclusivity assumption, have been suggested (Markman, 1989, 1992; Landau, Smith, & Jones, 1988; Imai, Gentner, & Uchida, 1994). However, there has been an unsettled debate in the literature as to the exact nature of these principles, particularly with respect to their origin. In this paper, I discuss the origin of the whole object assumption and taxonomic assumption, especially in light of innateness and domain- specificity.<br>Reviewing the literature of children's early word production and comprehension and that of crosslinguistic comparison of early vocabulary development, I suggest that the whole-object and taxonomic assumptions are likely to be universally applied independent of the structure of linguistic input but that these principles are not necessarily applied at the onset of word learning. I argue that it is not likely that the whole-object and taxonomic assumptions are innately specified as abstract rules. I argue that these word-learning principles are formed from a combination of domain general, basic cognitive facilities (such as detecting similarity among entities and putting similar things together to form categories, and extracting and generating abstract rules from a small amount of experience) and domain specific, pre-linguistically available ontological knowledge about the world. Finally, I evaluate the necessity of the whole-object assumption and the taxonomic assumption in the face of the position that social-pragmatic force is sufficient to guide word learning.

Origins of word-learning principles

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