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John M. Franchak; Kellan Kadooka; Caitlin M. Fausey – Developmental Psychology, 2024
How do age and the acquisition of independent walking relate to changes in infants' everyday experiences? We used a novel ecological momentary assessment (EMA) method to gather caregiver reports of infants' restraint, body position, and object holding via text messages sparsely sampled across multiple days of home life at 10, 11, 12, and 13 months…
Descriptors: Motor Development, Psychomotor Skills, Physical Activities, Child Development
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Jill Lany; Ferhat Karaman; Jessica F. Hay – Developmental Psychology, 2024
Infants' sensitivity to transitional probabilities (TPs) supports language development by facilitating mapping high-TP (HTP) words to meaning, at least up to 18 months of age. Here we tested whether this HTP advantage holds as lexical development progresses, and infants become better at forming word--referent mappings. Two groups of 24-month-olds…
Descriptors: Language Acquisition, Infants, Toddlers, Semantics
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Andres H. Mendez; Chen Yu; Linda B. Smith – Developmental Science, 2024
Traditionally, the exogenous control of gaze by external saliencies and the endogenous control of gaze by knowledge and context have been viewed as competing systems, with late infancy seen as a period of strengthening top-down control over the vagaries of the input. Here we found that one-year-old infants control sustained attention through head…
Descriptors: Infants, Eye Movements, Attention, Visual Learning
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Or Dagan; Carlo Schuengel; Marije L. Verhage; Sheri Madigan; Glenn I. Roisman; Kristin Bernard; Robbie Duschinsky; Marian Bakermans-Kranenburg; Jean-François Bureau; Abraham Sagi-Schwartz; Rina D. Eiden; Maria S. Wong; Geoffrey L. Brown; Isabel Soares; Mirjam Oosterman; R. M. Pasco Fearon; Howard Steele; Carla Martins; Ora Aviezer – Child Development, 2024
An individual participant data meta-analysis was conducted to test pre-registered hypotheses about how the configuration of attachment relationships to mothers and fathers predicts children's language competence. Data from seven studies (published between 1985 and 2014) including 719 children (M[subscript age]: 19.84 months; 51% female; 87% White)…
Descriptors: Parent Child Relationship, Attachment Behavior, Fathers, Mothers
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Valentina Gliozzi – Cognitive Science, 2024
We propose a simple computational model that describes potential mechanisms underlying the organization and development of the lexical-semantic system in 18-month-old infants. We focus on two independent aspects: (i) on potential mechanisms underlying the development of taxonomic and associative priming, and (ii) on potential mechanisms underlying…
Descriptors: Infants, Computation, Models, Cognitive Development
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Zhou, Xin; Wang, Luchang; Hong, Xuancu; Wong, Patrick C. M. – Developmental Science, 2024
The speech register that adults especially caregivers use when interacting with infants and toddlers, that is, infant-directed speech (IDS) or baby talk, has been reported to facilitate language development throughout the early years. However, the neural mechanisms as well as why IDS results in such a developmental faciliatory effect remain to be…
Descriptors: Child Language, Infants, Interpersonal Communication, Vocabulary Development
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Mackenzie S. Swirbul; Megan Shahnooshi; Rachel Ho; Catherine S. Tamis-LeMonda – Journal of Cognition and Development, 2024
Infants begin to produce abstract "math" words -- such as numbers (e.g., "two"), spatial terms (e.g., "down"), and magnitude words (e.g., "more") -- during their second postnatal year. Math words, as all words, are likely learned in the home setting during interactions with caregivers. However, everyday…
Descriptors: Infants, Mothers, Parent Child Relationship, Language Usage
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Emma Worthley; Rebecca Grzadzinski; Lonnie Zwaigenbaum; Stephen R. Dager; Annette M. Estes; Heather C. Hazlett; Robert T. Schultz; Joseph Piven; Jason J. Wolff – Journal of Autism and Developmental Disorders, 2024
This study investigated the extent to which sensory responsivity in infancy contributes to adaptive behavior development among toddlers at high-familial likelihood for autism. Prospective, longitudinal data were analyzed for 218 children, 58 of whom received an autism diagnosis. Results indicated that sensory profiles at age one year…
Descriptors: Profiles, Toddlers, Autism Spectrum Disorders, Sensory Experience
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Yueyan Tang; Marybel Robledo Gonzalez; Gedeon O. Deák – Developmental Science, 2024
Acquisition of visual attention-following skills, notably gaze- and point-following, contributes to infants' ability to share attention with caregivers, which in turn contributes to social learning and communication. However, the development of gaze- and point-following in the first 18 months remains controversial, in part because of different…
Descriptors: Eye Movements, Nonverbal Communication, Longitudinal Studies, Infants
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Federico Ricci; Giovanni Marozza; Enrica Crespi; Chiara Tanzi; Marco Broccoli – Early Years: An International Journal of Research and Development, 2024
This study presents data on the effectiveness of participatory training, called 'Improvement Groups', voluntarily adopted in four nurseries in Northern Italy to prevent episodes of violence by staff toward children. The interventions provided for the representation of problematic cases, experienced by participants, relating to factors of work…
Descriptors: Violence, Prevention, Toddlers, Preschools
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Lauren M. Dinour; Yeon Bai – Journal of American College Health, 2024
Objective: To evaluate the impact of a campus-based breastfeeding support campaign grounded in the Theory of Reasoned Action. Participants: Seventy-eight students and employees. Methods: An online survey was administered pre- and post-campaign to measure attitudes, subjective norm, normative and behavioral beliefs, intention, knowledge, and…
Descriptors: College Students, College Faculty, School Personnel, Infants
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Johanna Rüther; Ulf Liszkowski – Journal of Child Language, 2024
Index-finger pointing is foundational to language acquisition. Less is known about its emergence. In lab-based monthly longitudinal assessments from 8-13 months (N = 31) the study measured longitudinal predictors of index-finger pointing: parent pointing and infants' earlier emerging showing, hand-pointing, and point-following. All behaviors…
Descriptors: Foreign Countries, Infants, Language Acquisition, Nonverbal Communication
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Malachowski, Lauren G.; Salo, Virginia C.; Needham, Amy Work; Humphreys, Kathryn L. – Infant and Child Development, 2023
Children's daily contexts shape their experiences. In this study, we assessed whether variations in infant placement (e.g., held, bouncy seat) are associated with infants' exposure to adult speech. Using repeated survey sampling of mothers and continuous audio recordings, we tested whether the use of independence-supporting placements was…
Descriptors: Infants, Language Acquisition, Speech Communication, Linguistic Input
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Fuks, Orit – Journal of Deaf Studies and Deaf Education, 2023
The aim of this research was to analyze the use of iconicity during language acquisition of Israeli Sign language and spoken Hebrew. Two bilingual-bimodal infants were observed in a longitudinal study between the ages of 10-26 months. I analyzed infants' production of iconic words, signs, and gestures. The results showed that infants' use of vocal…
Descriptors: Infants, Sign Language, Language Acquisition, Nonverbal Communication
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Nallet, Caroline; Berent, Iris; Werker, Janet F.; Gervain, Judit – Developmental Science, 2023
Newborns are able to extract and learn repetition-based regularities from the speech input, that is, they show greater brain activation in the bilateral temporal and left inferior frontal regions to trisyllabic pseudowords of the form AAB (e.g., "babamu") than to random ABC sequences (e.g., "bamuge"). Whether this ability is…
Descriptors: Infants, Music, Auditory Stimuli, Brain
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