How did vocal language originate? Before trying to determine how referential vocabulary or
syntax may have arisen, it is critical to explain how ancient hominins began to produce …

Research on infant vocal development has provided notable insights into vocal interaction
with caregivers, elucidating growth in foundations for language through parental elicitation …

Human infant vocalization is viewed as a critical foundation for vocal learning and language.
All apes share distress sounds (shrieks and cries) and laughter. Another vocal type, speech …

Both vocalization and gesture are universal modes of communication and fundamental
features of language development. The gestural origins theory proposes that language …

Long before their first words, children communicate by using speech-like vocalizations.
These protophones might be indicative of infants' later language development. We here …

Female humans appear to have an advantage in language, from early childhood through
late adulthood, reported to include a larger vocabulary, more complex utterances, greater …

Language is a signature of our species and our primary conduit for conveying the contents
of our minds. The power of language derives not only from the exquisite detail of the signal …

From the first months of life, human infants produce “protophones,” speech-like, non-cry
sounds, presumed absent, or only minimally present in other apes. But there have been no …

In the second month of life, human infants begin to produce sounds and proto phones that
are different from crying. In the past, most protophones were generically categorized as …

From a newborn's cry to a child's first word at approximately 12 months of age, a wide variety
of sounds is produced. Many of these have much in common with sounds produced by other …