Jun 09, 2011 · Infant-directed speech (IDS), compared with adult-directed speech (ADS), is characterized by a slower rate, a higher fundamental frequency, greater pitch variations, longer pauses, repetitive intonational structures, and shorter sentences. Despite studies on the properties of IDS, there is no direct demonstration of its effects for word learning in infants.Cited by: 154.
Baby talk is a type of speech associated with an older person speaking to a child. It is also called caretaker speech, infant-directed speech (IDS), child-directed speech (CDS), child-directed language (CDL), caregiver register, or motherese.. CDS is characterized by a "sing song" pattern of intonation that differentiates it from the more monotone style used with other adults e.g., CDS has.
Two experiments were designed to assess 7-week-old infants' attentional and/or affective preference for infant-directed (ID) over adult-directed (AD) speech as delivered by both a male and female speaker. In Experiment 1, infants were tested in a sequential preferential looking procedure.Cited by: 254.