The early development of vocalic and consonantal production in Mandarin-learning infants was studied at the transition from babbling to producing first words. Spontaneous vocalizations were recorded for 24 infants grouped by age: G1 (0 ; 7 to 1 ; 0) and G2 (1 ; 1 to 1 ; 6). Additionally, the infant-directed speech of 24 caregivers was recorded…

Compares and analyzes speech samples of Mayan and American mothers addressing their infant children. Results indicate that although higher pitch has been described as a universal feature of baby talk registers worldwide, the Mayan mothers do not utilize this feature. It is suggested that pitch-raising strategies may be sociolinguistically…

Speech directed towards young children ("motherese") is subject to consistent systematic modifications. Recent research suggests that gesture directed towards young children is similarly modified (gesturese). It has been suggested that gesturese supports speech, therefore scaffolding communicative development (the facilitative…

Compares the prosodic modifications in mothers' and fathers' speech to preverbal infants in American and British English, French, German, Japanese, and Italian. Speech samples were instrumentally analyzed to measure mean fundamental frequency, variability, utterance, duration, and pause duration. (67 references) (Author/CB)

Addresses phenomena exhibited by young children such as suffixed and free articles, double definiteness, genitives, pronouns, and "nominal style." Shows that analysis of these early data must invoke at least one functional projection above the noun phrase. Findings argue against any claim about the universal absence of functional…