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 …

Objectives: Language development is a multifaceted, dynamic process involving the
discovery of complex patterns, and the refinement of native language competencies in the …

This Instructor's Resource Manual has been written to accompany the seventh edition of
Nonverbal Communication in Human Interaction by Mark L. Knapp, Judith A. Hall, and Terry …

Purpose: The purpose of this study is to determine whether and how learning American Sign
Language (ASL) is associated with spoken English skills in a sample of ASL–English …

Over the first year of life, infant perception changes radically as the child learns the
phonology of the ambient language from the speech she is exposed to. Since infant …

When mothers engage in infant-directed (ID) speech, their voices change in a number of
characteristic ways, including adopting a higher overall pitch. Studies have examined these …

Purpose Differences across language environments of prelingually deaf children who
receive cochlear implants (CIs) may affect language acquisition; yet, whether mothers show …

This study investigated effects of profound hearing loss on mother–infant interactions before
and after cochlear implantation with a focus on maternal synchrony, complexity, and …

Talkers hyperarticulate vowels when communicating with listeners that require increased
speech intelligibility. Vowel hyperarticulation is said to be motivated by knowledge of the …

Automatic speech processing devices have become popular for quantifying amounts of
ambient language input to children in their home environments. We assessed error rates for …