The Emergence of Category Representations During Infancy: Are Separate Perceptual and Conceptual Processes Required?
A long-standing issue in cognitive development concerns the manner in which the earliest, presumably perceptually based, categorical representations of young in- fants, become knowledge-rich categories, concepts in most theoretical descrip- tions, that are often interconnected and permit causal explanations of their properties. In her feature article, Mandler’s (this issue) position on this question presumes that it is wrong to posit a single form of categorical representation that is perceptually based. Although there exist perceptual categories (or schemas) that detect and compile surface features of objects useful for the recognition and identi- fication of cats versus dogs, for example, true concepts that represent object kind information and meaning emerge from a markedly different process from that of perception, namely, perceptual analysis of the analog percept.
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