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Links between Early Prelinguistic Communication and Later Expressive Language in Toddlers with Autistic and Non-Autistic Siblings
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Jennifer E. Markfeld; Zoë Kiemel; Pooja Santapuram; Samantha L. Bordman; Grace Pulliam; S. Madison Clark; Lauren H. Hampton; Bahar Keçeli-Kaysili; Jacob I. Feldman; Tiffany G. Woynaroski – Journal of Speech, Language, and Hearing Research, 2025
Purpose: The present study explored the extent to which early prelinguistic communication skills predict expressive language in toddlers with autistic siblings (Sibs-autism), who are known to be at high likelihood for autism and language disorder, and a comparison group of toddlers with non-autistic older siblings (Sibs-NA). Method: Participants…
Descriptors: Nonverbal Communication, Communication Skills, Expressive Language, Toddlers
Parent Language Proficiency Is a Source of Variance in CDI Scores for Bilingual Children
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Cynthia Core; Joanna Pfister; Rosario Rumiche; Erika Hoff – International Journal of Behavioral Development, 2025
We investigated the role of bilingual parents' language proficiency in their reports of their children's vocabulary size. Sixty-four Spanish-English bilingual mothers whose L1 was Spanish reported their bilingual children's English and Spanish vocabularies and 37 monolingual L1 English-speaking mothers reported their monolingual children's English…
Descriptors: Bilingualism, Language Proficiency, Vocabulary, Mothers
Testing Theories of the Vocabulary Spurt with Monolingual and Bilingual Infants
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Miranda Gómez Díaz; Laia Fibla; Rachel Ka-Ying Tsui; Krista Byers-Heinlein – Developmental Psychology, 2024
Sometime before their second birthday, many children have a period of rapid expressive vocabulary growth called the vocabulary spurt. Theories of the underlying mechanisms differ: Accumulator models emphasize the accumulation of experience with words over time to yield a spurtlike pattern, while cognitive models attribute the spurt to cognitive…
Descriptors: Infants, Toddlers, Vocabulary Development, Monolingualism
Examining Concurrent Associations between Gesture Use, Developmental Domains, and Autistic Traits in Toddlers with Down Syndrome
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Chelsea La Valle; Gabriela Davila Mejia; Carol L. Wilkinson; Nicole Baumer – Journal of Speech, Language, and Hearing Research, 2025
Purpose: Toddlers with Down syndrome (DS) showcase comparable or higher rates of gestures than chronological age-- and language-matched toddlers without DS. Little is known about how gesture use in toddlers with DS relates to multiple domains of development, including motor, pragmatics, language, and visual reception (VR) skills. Unexplored is…
Descriptors: Toddlers, Down Syndrome, Autism Spectrum Disorders, Symptoms (Individual Disorders)
Adaptation and Validation of the Word Complexity Measure for Persian-Speaking Toddlers
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Golnoosh Golmohammadi; Farhad Sakhai; Faezeh Asadollahpour; Kiana Nouhi; Naemeh Jafari; Zahra Baghejari – First Language, 2024
This study aimed to adapt and validate the Word Complexity Measure (WCM) for Persian-speaking toddlers. The WCM is a tool for assessing phonological complexity, originally proposed by Stoel-Gammon. The study was conducted in two phases: (1) adapting the WCM parameters to the Persian language and (2) conducting a validation study with 60…
Descriptors: Toddlers, Measures (Individuals), Indo European Languages, Pictorial Stimuli
Longitudinal Relations between Early Sensory Responsiveness and Later Communication in Infants with Autistic and Non-Autistic Siblings
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Jacob I. Feldman; Varsha Garla; Kacie Dunham; Jennifer E. Markfeld; Sarah M. Bowman; Alexandra J. Golden; Claire Daly; Sophia Kaiser; Nisha Mailapur; Sweeya Raj; Pooja Santapuram; Evan Suzman; Ashley E. Augustine; Aine Muhumuza; Carissa J. Cascio; Kathryn L. Williams; Anne V. Kirby; Bahar Keceli-Kaysili; Tiffany G. Woynaroski – Journal of Autism and Developmental Disorders, 2024
Early differences in sensory responsiveness may contribute to difficulties with communication among autistic children; however, this theory has not been longitudinally assessed in infants at increased familial versus general population-level likelihood for autism (Sibs-autism vs. Sibs-NA) using a comprehensive battery of sensory responsiveness and…
Descriptors: Infants, Autism Spectrum Disorders, Sensory Experience, Siblings
Socioeconomic Deprivation Detrimentally Influences Language Outcomes in Toddlers with Cleft Palate
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Robert Brinton Fujiki; Kari M. Lien; John Munday; Susan L. Thibeault – Journal of Speech, Language, and Hearing Research, 2024
Purpose: The purpose of this study was to examine the influence of socioeconomic deprivation on language and developmental outcomes in toddlers with cleft palate with or without cleft lip (CP ± L). Other factors known to influence language outcomes were also considered, including home language history, history of hearing problems, syndromic…
Descriptors: Toddlers, Physical Disabilities, Socioeconomic Influences, Child Development