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Concept
Conceptual semantics
Résumé
Conceptual semantics is a framework for semantic analysis developed mainly by Ray Jackendoff in 1976. Its aim is to provide a characterization of the conceptual elements by which a person understands words and sentences, and thus to provide an explanatory semantic representation (title of a Jackendoff 1976 paper). Explanatory in this sense refers to the ability of a given linguistic theory to describe how a component of language is acquired by a child (as proposed by Noam Chomsky; see Levels of adequacy).
Recently, conceptual semantics in particular, and lexical semantics in general, have taken on increasing importance in linguistics and psycholinguistics. Many contemporary theories of syntax (how sentences are constructed from individual words) rely on elements that are idiosyncratic to words themselves. As a result, a sound theory accounting for the properties of the meanings of words is required.
Jackendoff has claimed that the goal of conceptual semantics is to investigate:
"...how linguistic utterances are related to human cognition, where cognition is a human capacity that is to a considerable degree independent of language, interacting with the perceptual and action systems as well as language."
Conceptual semantics distinguishes a single, universal meaning to a word. Instead of having a lexical semantic meaning in addition to the conceptual representation of the actual referent, here the two are combined into what Jackendoff calls "lexical concepts" (Murphy 2010:59). Conceptual semantics is considered to be not just a linguistic theory, but a theory on human cognition. As do many semantic theories, Jackendoff claims that a decompositional method is necessary to explore conceptualization. Just as one of the ways a physical scientist tries to understand matter is by breaking it down into progressively smaller parts, so a scientific study of conceptualization proceeds by breaking down, or decomposing, meanings into smaller parts. However, this decomposition cannot go on forever, for at some point, meanings can no longer be broken down.
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