Human culture is unique among animals in its complexity, variability, and cumulative quality.
This article describes the development and diversity of cumulative cultural learning. Children …

Highlights•Affective social competence (ASC) is a key concern for developmental
psychologists.•Three main areas of ASC are:(a) emotional experience,(b) communication,(c) …

When interacting with infants, humans often alter their speech and song in ways thought to
support communication. Theories of human child-rearing, informed by data on vocal …

The complexity and variability of human culture is unmatched by any other species. Humans
live in culturally constructed niches filled with artifacts, skills, beliefs, and practices that have …

Developmental research has the potential to address some of the critical gaps in our
scientific understanding of the role played by cultural learning in ontogenetic outcomes. The …

Gaze is considered a crucial component of early communication between an infant and her
caregiver. When communicatively addressed, infants respond aptly to others' gaze by …

When speaking to infants, mothers often alter their speech compared to how they speak to
adults, but findings for fathers are mixed. This study examined interactions (N= 30) between …

Many Western industrialized nations have high levels of ethnic diversity but to date there are
very few studies which investigate prelinguistic and early language development in infants …

Caregiver-infant interactions in Western middle class often take place in dyadic play
settings, engaged in infant-initiated object stimulation, and surrounded by a positive …

Studies conducted in Western countries document the special role of mother–infant face-to-
face exchanges for early emotional development including social smiling. A few cross …