The role of children's verbal repetition of parents' utterances on vocabulary growth has been well documented (Masur, 1999). Nevertheless, few studies have analyzed adults' and children's spontaneous verbal repetition around the second birthday distinguishing between the types of repetition. We analyzed longitudinally Spanish-speaking parent-child…

The present study aimed to investigate the communicative characteristics of children with cochlear implants (CIs) and their mothers in interaction, whether and how they differ from those of mother-child dyads with normal hearing, and whether mother and child influence each other over the first year after implantation. Eighteen Italian-speaking…

Children with Down syndrome (DS) are at higher risk for both delayed expressive language and poor speech intelligibility. The current study utilized the quantitative automated language environment analysis (LENA) to depict mother and child vocalizations and conversational patterns in the home of 43 children with DS, chronologically aged 24-64…

Deferred imitation and early social communication skills were compared among speaking and nonspeaking children with autism and children developing typically. Overall, the children with autism showed a lower frequency on measures of deferred imitation and social communication compared with typically developing children. Deferred imitation was…

Thirty infants at 1;1 and their mothers were videotaped while playing for 18 minutes. Experimental stimuli were presented in three communicative intent contexts--proto-declarative, proto-imperative, and ambiguous--to elicit infant communicative bids that did and did not contain gestures. Mothers' responses were analyzed, and their verbal responses…