Young children's (n = 108) and adults' (n = 40) ability to compute ad-hoc quantity conversational implicatures was assessed using a new implicit task that relied on eye-tracking. The children were 2 and 5 years old. Looking times reveal that all participants interpreted simple references by relying on implicatures. However, 2-year-olds failed to…

Most cooperative interactions involve interpersonal trust and the expectation of mutual reciprocation. Thus, understanding when and how humans acquire interpersonal trust can help unveil the origins and development of children's cooperative behavior. Here, we investigated whether prior sociomoral information about trading partners modulates the…

Several models of working memory (WM) have been proposed in the literature. Most of the research on the architecture of WM is based on adults or older children, but less is known about younger children. In this study, we tested various models of WM on a sample of 739 Italian children, ranging in age from 3 to 8 years, primarily of European…

Theory of mind refers to the ability to attribute beliefs to oneself and others. The present study used a dynamic systems approach to assess how environment may affect the development of second-order theory of mind (e.g., "John knows that Mary knows that he went out yesterday"). Theory of mind is divided into two major dimensions:…

Noun and verb acquisition was investigated in three- and five-year-old Italian children by means of picture naming of objects and actions, selected from Druks and Masterson (2000). The aim was to examine the previously reported advantage of nouns compared to verbs. Older children were faster than younger children, and naming latencies were faster…

Narratives have been extensively studied in recent decades, but studies investigating differences and similarities in the narrative features from a cross-cultural or cross-linguistic point of view are limited. This study investigated the narrative language of typically developing monolingual four- and eight-year-old Finnish, Italian and Canadian…

In the primate brain, sensory information is processed along two partially segregated cortical streams: the ventral stream, mainly coding for objects' shape and identity, and the dorsal stream, mainly coding for objects' quantitative information (including size, number, and spatial position). Neurophysiological measures indicate that such…

In this study, new evidence is presented of marked sex differences in the distribution of insecure attachment patterns in middle childhood. Attachment was assessed with the Manchester Child Attachment Story Task (MCAST) in a sample of 122 Italian 7-year-olds. The four-way distribution of attachment patterns was significantly unbalanced, with…

Studied 150 Italian children aged five to eight years to determine whether a significant relation existed between referential communication and comparison performance. Results indicated that the ability to compare in noncommunicative tasks was significantly related to communication effectiveness in referential tasks. (RJC)

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,…

Four experiments investigated phonemic and visual similarity effects in 5- and 10-year olds. Results suggested that young children rely on modality-dependent codes, which are probably automatically activated, and do not use a speech-based memory code for drawings and words. This pattern of findings appeared to be independent of culture and…

When Canadian parents look back on their own lives and the lives of their parents, they see changes across a generation that have profoundly affected their parenting experience, compared to when they themselves were young children. Supports for today's parents must take into consideration these changes that affect the care and nurturing of…