An early achievement in language is carving a variable acoustic space into categories. The
canonical story is that infants accomplish this by the second year, when only unsupervised …

At the macrostructure level of language milestones, language acquisition follows a nearly
identical course whether children grow up with one or with two languages. However, at the …

We report three eyetracking experiments that examine the learning procedure used by
adults as they pair novel words and visually presented referents over a sequence of …

Long before we learn to talk, our expectations concerning novel members of a category are
shaped by our experience with already-encountered members. We expect, for example, that …

Previous studies have suggested that the perception of vowels and consonants changes
from language-universal to language-specific between 6 and 12months of age. This report …

In this article, I present a selective review of research on speech perception development
and its relation to reference, word learning, and other aspects of language acquisition …

There is an ongoing debate about the meaning of lexical words, ie, words that contribute
with content to the meaning of sentences. This debate has coincided with a renewal in the …

Adults typically use an exaggerated, distinctive speaking style when addressing infants.
However, the effects of infant‐directed (ID) speech on infants' learning are not yet well …

Infants segment words from fluent speech during the same period when they are learning
phonetic categories, yet accounts of phonetic category acquisition typically ignore …

How do infants reason about simple physical events such as containment, tube, and support
events? According to the two-system model, two cognitive systems, the object-file (OF) and …