The present study examined maternal responses to infants' spontaneous communicative behaviors in a sample of 20 extremely-low-gestational-age (ELGA) infants and 20 full-term (FT) infants during 30 minutes of play interaction when infants were 12 months of age. Relations between maternal responses and infants' communication skills at 12 and 24…

Given the dependent nature of parent-infant interactions necessary for language development, it is important to understand how context may influence these interactions. This study examines how contextual variables influence communicative, cognitive and social measures of parent-infant interactions. Specifically, how do feedback toys and…

Southern Peruvian Quechua is an indigenous language spoken primarily in rural communities in the Peruvian Andes. The language includes a syntactic construction, "-paq", that expresses purpose or function, thus providing an opportunity to trace how parents and children with little formal education express teleological concepts. The…

The study aims to account for the distribution of finite versus non-finite verbs during a developmental period when children use both types of verb forms in contexts requiring finiteness. To meet this goal, longitudinal samples from three Hebrew-acquiring children (aged 1;4-2;6) are examined from the onset of verb production and across the…

To investigate possible influences on and consequences of mothers' speech, specific infant behaviors preceding and following four pragmatic categories of mothers' utterances--responsive utterances, supportive behavioral directives, intrusive behavioral directives, and intrusive attentional directives--were examined longitudinally during dyadic…