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Luan Li; Ming Song; Qing Cai – Developmental Science, 2025
Early vocabulary development benefits from diverse lexical exposures within children's language environment. However, the influence of lexical diversity on children as they enter middle childhood and are exposed to multimodal language inputs remains unclear. This study evaluates global and local aspects of lexical diversity in three…
Descriptors: Vocabulary Development, Lexicology, Child Language, Speech Communication
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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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Mayberry, Rachel I.; Hatrak, Marla; Ilbasaran, Deniz; Cheng, Qi; Huang, Yaqian; Hall, Matt L. – Developmental Science, 2024
The hypothesis that impoverished language experience affects complex sentence structure development around the end of early childhood was tested using a fully randomized, sentence-to-picture matching study in American Sign Language (ASL). The participants were ASL signers who had impoverished or typical access to language in early childhood. Deaf…
Descriptors: Young Children, Language Enrichment, Educationally Disadvantaged, Language Acquisition
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Sarah Berger; Laura J. Batterink – Developmental Science, 2024
Children achieve better long-term language outcomes than adults. However, it remains unclear whether children actually learn language "more quickly" than adults during real-time exposure to input--indicative of true superior language learning abilities--or whether this advantage stems from other factors. To examine this issue, we…
Descriptors: Child Language, Language Acquisition, Learning Processes, Language Skills
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Benjamin D. Zinszer; Joelle Hannon; Anqi Hu; Aya Élise Kouadio; Hermann Akpé; Fabrice Tanoh; Madeleine Wang; Zhenghan Qi; Kaja Jasinska – Developmental Science, 2024
Studies of non-linguistic statistical learning (SL) have often linked performance in SL tasks with differences in language outcomes. Most of these studies have focused on Western and high-income educational contexts, but children worldwide learn in radically different educational systems and communities, and often in a second language. In the west…
Descriptors: Emergent Literacy, Foreign Countries, Rural Areas, Grade 5
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Natalia Reoyo-Serrano; Anastasia Dimakou; Chiara Nascimben; Tamara Bastianello; Daniela Lucangeli; Silvia Benavides-Varela – Developmental Science, 2025
The boundary effect, namely the infants' failures to compare small and large numerosities, is well documented in studies using visual stimuli. The prevailing explanation is that the numerical system used to process sets up to 3 is incompatible with the system employed for numbers >3. This study investigates the boundary effect in 10-month-old…
Descriptors: Infants, Language Acquisition, Speech Communication, Language Processing
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Seyda Özçaliskan; Ché Lucero; Susan Goldin-Meadow – Developmental Science, 2024
Blind adults display language-specificity in their packaging and ordering of events in speech. These differences affect the representation of events in "co-speech gesture"--gesturing with speech--but not in "silent gesture"--gesturing without speech. Here we examine when in development blind children begin to show adult-like…
Descriptors: Blindness, Vision, Nonverbal Communication, Children
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Ansgar D. Endress – Developmental Science, 2024
In many domains, learners extract recurring units from continuous sequences. For example, in unknown languages, fluent speech is perceived as a continuous signal. Learners need to extract the underlying words from this continuous signal and then memorize them. One prominent candidate mechanism is statistical learning, whereby learners track how…
Descriptors: Syllables, Brain Hemisphere Functions, Diagnostic Tests, Memory
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Lynn K. Perry; Daniel S. Messinger; Ivette Cejas – Developmental Science, 2025
Although vocabulary size is thought to index children's language abilities, an increasing body of work suggests that regularities in children's vocabulary composition, particularly the proportion of shape-based nouns (e.g., cup), support language development. Here we examine initial vocabulary composition in children with hearing loss following…
Descriptors: Vocabulary, Language Acquisition, Children, Assistive Technology
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Keshavarzi, Mahmoud; Di Liberto, Giovanni M.; Gabrielczyk, Fiona; Wilson, Angela; Macfarlane, Annabel; Goswami, Usha – Developmental Science, 2024
The prevalent "core phonological deficit" model of dyslexia proposes that the reading and spelling difficulties characterizing affected children stem from prior developmental difficulties in processing speech sound structure, for example, perceiving and identifying syllable stress patterns, syllables, rhymes and phonemes. Yet spoken word…
Descriptors: Dyslexia, Speech Communication, Syllables, Intonation
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Youngon Choi; Minji Nam; Naoto Yamane; Reiko Mazuka – Developmental Science, 2024
Perceptual narrowing of speech perception supposes that young infants can discriminate most speech sounds early in life. During the second half of the first year, infants' phonetic sensitivity is attuned to their native phonology. However, supporting evidence for this pattern comes primarily from learners from a limited number of regions and…
Descriptors: Language Minorities, Phonemes, Infants, Korean
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Frédéric Thériault-Couture; Célia Matte-Gagné; Annie Bernier – Developmental Science, 2025
Executive functions (EFs) emerge in the first years of life and are essential for many areas of child development. However, intraindividual developmental trajectories of EF during toddlerhood and their associations with ongoing development of language skills remain poorly understood. The present three-wave study examined these trajectories and…
Descriptors: Executive Function, Toddlers, Child Development, Language Acquisition
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Marina Kalashnikova; Leher Singh; Angeline Tsui; Eylem Altuntas; Denis Burnham; Ryan Cannistraci; Ng Bee Chin; Ye Feng; Laura Fernández-Merino; Antonia Götz; Lisa Gustavsson; Jessica Hay; Barbara Höhle; René Kager; Regine Lai; Liquan Liu; Ellen Marklund; Thierry Nazzi; Daniela Santos Oliveira; Anne Marte Haug Olstad; Anthony Picaud; Iris-Corinna Schwarz; Feng-Ming Tsao; Patrick C. M. Wong; Pei Jun Woo – Developmental Science, 2024
We report the findings of a multi-language and multi-lab investigation of young infants' ability to discriminate lexical tones as a function of their native language, age and language experience, as well as of tone properties. Given the high prevalence of lexical tones across human languages, understanding lexical tone acquisition is fundamental…
Descriptors: Auditory Discrimination, Infants, Monolingualism, Bilingualism
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Charlotte Dumont; Marie Belenger; Arnaud Destrebecqz; Mikhail Kissine – Developmental Science, 2025
Statistical learning refers to the ability to detect regularities from sensory input, including speech. Statistical learning plays a key role in language acquisition, particularly for complex structures, such as nonadjacent dependencies, that are ubiquitous in natural language syntax. This study investigates nonadjacent dependency learning in…
Descriptors: Bilingualism, Autism Spectrum Disorders, Children, English (Second Language)
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Jennifer Sander; Caroline F. Rowland; Amy M. Lieberman – Developmental Science, 2025
Children's ability to share attention with another social partner (joint attention) plays an important role in language development. However, our understanding of the role of joint attention comes mainly from children learning spoken languages, which gives a very narrow, speech-centric impression of the role of joint attention. This study broadens…
Descriptors: Sign Language, Attention, Deafness, Interpersonal Relationship
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