Introduction Synchronous behaviors between individuals are nonverbal signs of closeness
and common purpose. In the flow from initial attraction to intimate sexual interaction …

Maternal care is considered a universal and even cross-species set of typical behaviors,
which are necessary to determine the social development of children. In humans, most …

This study examines the role of language environment (number of conversational turns) in
the development of socioemotional competencies between 18 and 30 months. The …

Similarly to humans, rhesus macaques engage in mother-infant face-to-face interactions.
However, no previous studies have described the naturally occurring structure and …

This study sought to understand the wide variability in vocabulary development among
autistic children by testing potential social and linguistic correlates of vocabulary size. The …

Adult-infant early dyadic interactions have been extensively explored by developmental
psychologists. Around the age of 2 months, infants already demonstrate complex, delicate …

There is a long-standing debate about the extent to which vowel hyperarticulation, the
production of acoustically exaggerated vowels, occurs in Infant-Directed Speech (IDS). This …

There is emerging evidence that infants with autism spectrum disorder (ASD) demonstrate
differences in dyadic coordination of vocalization and pauses with their caregivers …

Early communication among infants is very helpful especially on the growth and mental
ability of the child. Infants' early communication, as they have limited verbal skills and may …