Journal
EARLY HUMAN DEVELOPMENT
Volume 87, Issue 4, Pages 265-272Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.earlhumdev.2011.01.029
Keywords
Preterm children; Social-communicative development; Language outcome; Mediation
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Language delay is a well documented problem that occurs on a higher rate in preterm children compared to full term children. Preverbal social skills, such as the ability to share attention to an object with another person (i.e., triadic interaction), are suggested to reflect part of the processes through which children learn language. This longitudinal study examined preverbal and verbal skills in 25 preterm and 35 full term children in order to investigate if birth status affects language development through the proposed mediating processes of preverbal dyadic and triadic skills. Dyadic initiatives during the still-face episode were assessed at 6 months. Triadic responsiveness (gaze following) was examined at 9 and 14 months. Triadic initiatives (joint attention and behavioral request) were also assessed at 14 months. At 30 months, receptive and expressive language was examined. The data showed group differences in 6-month dyadic initiatives, 9-month triadic responsiveness, 14-month triadic behavioral request initiatives and 30-month receptive and expressive language skills at the expense of the preterm children, confirming their risk for a less favorable preverbal and verbal development. Multiple mediation analyses confirmed the hypothesis that birth status affects language development partially through preverbal skills, which is important for clinical practice. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
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