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Abstract
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Research on the development of the gesture-speech integrated system suggests that thetemporal alignment becomes closer with progression in linguistic skills. In this study, themultimodal communicative combinations of pointing gestures with speech (vocalizations andfirst words) in two groups of 18-month-old children with different developmental trajectoriesin their linguistic development were analyzed: a group of typically developed children and agroup of children delayed in language acquisitionas attested retrospectively by astandardized test. Using the reliable paradigm of the decorated room to elicit pointing behaviorin children, the analyses focussed on the timing between the two modalities and the temporaldistances between gesture and speech onsets. Similar patterns of gesture-speech integrationwere found for both groups.

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