Three studies investigated toddlers' judgments and communications about how desires, perceptions, and emotions connect in people's lives and minds. Findings indicated that in appropriate circumstances, young children realized that a person's perception of desirable or undesirable objects leads to related emotional experiences. Children's…

Examined infants' tendency, from a few days to nine months of age, to prefer infant-directed over adult-directed speech. Results suggest that exaggerated pitch contours that characterize infant-directed speech may become salient communicative signals for infants through language-rich, interactive experiences with caretakers and increased…