Early action and gesture "vocabulary" and its relation with word comprehension and production |
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| Authors: | Caselli Maria Cristina Rinaldi Pasquale Stefanini Silvia Volterra Virginia |
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| Institution: | Institute of Cognitive Sciences and Technologies, National Research Council, Rome, Italy. cristina.caselli@istc.cnr.it |
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| Abstract: | Data from 492 Italian infants (8-18 months) were collected with the parental questionnaire MacArthur Bates Communicative Development Inventories to describe early actions and gestures (A-G) "vocabulary" and its relation with spoken vocabulary in both comprehension and production. A-G were more strongly correlated with word comprehension than word production. A clear developmental pattern for the different types of A-G was found. These findings are similar to those of different Western languages, indicating a common biological and cultural basis. The analysis of individual A-G and their relations with early words with a related meaning showed interesting similarities between the production of A-G with and without object manipulation and the comprehension and production of corresponding words. Results indicate that the transition from A-G to spoken language is mediated by word comprehension. |
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