When speaking to infants, adults often produce speech that differs systematically from that
directed to other adults. To quantify the acoustic properties of this speech style across a wide …

Many authors have speculated about a close relationship between vocal expression of
emotions and musical expression of emotions, but evidence bearing on this relationship has …

Psychological scientists have become increasingly concerned with issues related to
methodology and replicability, and infancy researchers in particular face specific challenges …

Parental language input is one of the best predictors of children's language achievement.
Parentese, a near-universal speaking style distinguished by higher pitch, slower tempo, and …

Since the mid-20th century, scientists have observed unique features in speech, facial
expression, and content directed to infants and toddlers in comparison to speech directed to …

What are the basic dimensions of temperament? How does temperament influence
children's relationships to their physical and social worlds--and their behavior and …

Abstract Language experience systematically constrains perception of speech contrasts that
deviate phonologically and/or phonetically from those of the listener's native language …

Various aspects of motherese also known as infant-directed speech (IDS) have been
studied for many years. As it is a widespread phenomenon, it is suspected to play some …

There is ample empirical evidence for an asymmetry in the way that adults use positive
versus negative information to make sense of their world; specifically, across an array of …

There are reasons to believe that infant-directed (ID) speech may make language
acquisition easier for infants. However, the effects of ID speech on infants' learning remain …