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Item type:Publication, Gesture development in Peruvian children and its relationship with vocalizations and vocabulary(John Benjamins Publishing Company, 2021-11-22)We examine gestural development, and correlations between gesture types, vocalizations and vocabulary at ages 8 to 15 months, employing data from MacArthur-Bates Communicative Development Inventories for Peruvian Spanish, in the first such study with Peruvian children. Results show (1) significant change with age in the production of gesture types, with older children producing more; (2) important correlations between gesture types, and both vocalization types and vocabulary after controlling for age effects; and (3) correlations between the trajectory of the pointing gesture in its two modalities (whole-hand and index-finger) with age, vocalizations, and vocabulary, an effect that persists with respect to vocalizations after controlling for age. Our findings, based on a sample from a non-weird population, support a key role for gesture production in early communicative and linguistic development. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Pragmatic Development in Peruvian Children: Modality and Lexical Development Between 8 and 15 Months of Age(John Benjamins Publishing Company, 2023-12-31)This study examines how 8- to 15-month-old Peruvian children1 (N=18) express pragmatic functions in terms of the modality and referential-specifcity level of each communicative behaviour. Results show that pragmatic functions were expressed mainly via the vocal modality, primarily with vocalisations; nevertheless, specifc functional patterns were found: declaratives involved more use of words, and imperatives more use of gestures. While older children produced more declaratives and less personal expressions, and more words, there was no signifcant change of preferred modality with age. Finally, vocabulary size and pragmatic production seem to be associated: children with larger receptive vocabularies produced more declaratives and less personal expressions, while those with larger expressive vocabularies produced fewer personal expressions and more words. This pragmatic approach allows for a more nuanced view of communicative development, with each function exhibiting a specifc trajectory.