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Margaret Cychosz; Rachel R. Romeo; Jan R. Edwards; Rochelle S. Newman – Developmental Science, 2025
Children learn language by listening to speech from caregivers around them. However, the type and quantity of speech input that children are exposed to change throughout early childhood in ways that are poorly understood due to the small samples (few participants, limited hours of observation) typically available in developmental psychology. Here…
Descriptors: Child Language, Language Acquisition, Young Children, Speech Communication
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Dailey, Shannon; Bergelson, Elika – Developmental Science, 2022
For the past 25 years, researchers have investigated language input to children from high- and low-socioeconomic status (SES) families. Hart and Risley first reported a "30 Million Word Gap" between high-SES and low-SES children. More recent studies have challenged the size or even existence of this gap. The present study is a…
Descriptors: Linguistic Input, Infants, Socioeconomic Status, Child Language
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Huber, Elizabeth; Ferjan Ramírez, Naja; Corrigan, Neva M.; Kuhl, Patricia K. – Developmental Science, 2023
Interventions focused on the home language environment have been shown to improve a number of child language outcomes in the first years of life. However, data on the longer-term effects of the intervention are still somewhat limited. The current study examines child vocabulary and complex speech outcomes (N = 59) during the year following…
Descriptors: Parent Education, Coaching (Performance), Linguistic Input, Measures (Individuals)
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Áine Ní Choisdealbha; Adam Attaheri; Sinead Rocha; Natasha Mead; Helen Olawole-Scott; Maria Alfaro e Oliveira; Carmel Brough; Perrine Brusini; Samuel Gibbon; Panagiotis Boutris; Christina Grey; Isabel Williams; Sheila Flanagan; Usha Goswami – Developmental Science, 2024
It is known that the rhythms of speech are visible on the face, accurately mirroring changes in the vocal tract. These low-frequency visual temporal movements are tightly correlated with speech output, and both visual speech (e.g., mouth motion) and the acoustic speech amplitude envelope entrain neural oscillations. Low-frequency visual temporal…
Descriptors: Infants, Child Development, Diagnostic Tests, Speech Communication
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A. Delcenserie; F. Genesee; F. Champoux – Developmental Science, 2024
Recent evidence suggests that deaf children with CIs exposed to nonnative sign language from hearing parents can attain age-appropriate vocabularies in both sign and spoken language. It remains to be explored whether deaf children with CIs who are exposed to early nonnative sign language, but only up to implantation, also benefit from this input…
Descriptors: Sign Language, Linguistic Input, Phonology, Nonverbal Communication
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Tamis-LeMonda, Catherine S.; Kuchirko, Yana; Luo, Rufan; Escobar, Kelly; Bornstein, Marc H. – Developmental Science, 2017
Methods can powerfully affect conclusions about infant experiences and learning. Data from naturalistic observations may paint a very different picture of learning and development from those based on structured tasks, as illustrated in studies of infant walking, object permanence, intention understanding, and so forth. Using language as a model…
Descriptors: Infants, Language Acquisition, Play, Observation