Cognitive precursors of receptive vs. expressive language

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Abstract
Although cognitive precursors of language production have received considerable attention, the relationship of cognitive development to language comprehension development remains unexplored. In the present research, the relationship of object permanence and classification skills to receptive, as well as expressive, language development was investigated in infants between 0; 9 and 1; 3. Results indicated that object permanence, classification, and parent–child verbal interaction ratings were about equally related to language comprehension functioning. No prerequisite stage of object permanence functioning could be discerned. On the other hand, object permanence was more strongly related to language production than were classification and verbal interaction. Furthermore, it appeared that a minimum of Stage 5 object permanence functioning was necessary prior to the onset of language production.

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