Individuals with sex chromosome trisomies (SCTs) have an increased risk of language delays and impairments. However, there are only a few data relative to their language development in early childhood. The present study aimed to investigate the preverbal skills shown by a group of 8-month-old children with SCTs to assess the presence of a possible…

Data from 492 Italian infants (8-18 months) were collected with the parental questionnaire MacArthur Bates Communicative Development Inventories to describe early actions and gestures (A-G) "vocabulary" and its relation with spoken vocabulary in both comprehension and production. A-G were more strongly correlated with word comprehension…

This study investigated the influence of the speaker's experience and addressee's developmental level on baby talk characteristics. A total of 240 mothers of only child infants (l-l8 months) or of children 2-3 years old responded to an Infant or Child Series of drawings with an attached list of sentences. Subjects described situations in drawings,…

An examination of the influence of early bilingualism (German and Italian) on personality, social behavior, perception, and linguistic competence of four- to six-year-old Italian preschoolers (N=65) found no significant differences in social behavior, but some differences in terms of self-confidence, self-control, memory, and oral skills. (CB)