The perceptual system for speech is highly organized from early infancy. This organization
bootstraps young human learners' ability to acquire their native speech and language from …

Fundamental frequency (ƒ 0), perceived as pitch, is the first and arguably most salient
auditory component humans are exposed to since the beginning of life. It carries multiple …

Canonical babbling (CB) is critical in forming foundations for speech. Research has shown
that the emergence of CB precedes first words, predicts language outcomes, and is delayed …

This study evaluates whether early vocalizations develop in similar ways in children across
diverse cultural contexts. We analyze data from daylong audio recordings of 49 children (1 …

Phonological memory, or the ability to remember a novel word string well enough to repeat
it, has long been characterized as a time-limited store. An alternative embodiment model …

This book explores the role of phonological templates in early language use from the
perspective of usage-based phonology and exemplar models and within the larger …

Seeking to discern the earliest sex differences in language-related activities, our focus is
vocal activity in the first two years of life, following up on recent research that unexpectedly …

At the earliest break of ancient hominins from their primate relatives in vocal communication,
we propose a selection pressure on vocal fitness signaling by hominin infants. Exploratory …

Human neonates exhibit individually distinctive patterns of variation—sometimes called cry
“signatures”—in the acoustics of their cries. For tests of group differences (eg, age, health …

This study compared vocal development in Korean-and English-learning infants and
examined ambient-language effects focusing on predominant utterance shapes …