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Lexical leverage: category knowledge boosts real-time novel word recognition in 2-year-olds.
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In: Developmental science, vol 19, iss 6 (2016)
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Semantic structure in vocabulary knowledge interacts with lexical and sentence processing in infancy
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Lexical leverage: Category knowledge boosts real-time novel word recognition in two-year- olds
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Visual Prediction in Infancy: What is the Association with Later Vocabulary?
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In: Ellis, Erica M; Gonzalez, Marybel Robledo; & Deák, Gedeon O. (2013). Visual Prediction in Infancy: What is the Association with Later Vocabulary?. Language Learning and Development, 10(1), 36 - 50. doi:10.1080/15475441.2013.799988. UC San Diego: Retrieved from: http://www.escholarship.org/uc/item/71f4g312 (2013)
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Lexical leverage: category knowledge boosts real-time novel word recognition in 2-year-olds.
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Abstract:
Recent research suggests that infants tend to add words to their vocabulary that are semantically related to other known words, though it is not clear why this pattern emerges. In this paper, we explore whether infants leverage their existing vocabulary and semantic knowledge when interpreting novel label-object mappings in real time. We initially identified categorical domains for which individual 24-month-old infants have relatively higher and lower levels of knowledge, irrespective of overall vocabulary size. Next, we taught infants novel words in these higher and lower knowledge domains and then asked if their subsequent real-time recognition of these items varied as a function of their category knowledge. While our participants successfully acquired the novel label-object mappings in our task, there were important differences in the way infants recognized these words in real time. Namely, infants showed more robust recognition of high (vs. low) domain knowledge words. These findings suggest that dense semantic structure facilitates early word learning and real-time novel word recognition. ; R03 DC013638, F31 DC012254, R01 DC005650, F32 DC010106, R01 HD053136 ; This NIH-funded author manuscript originally appeared in PubMed Central at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4826629.
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Keyword:
Child; Humans; Knowledge; Language Development; Preschool; Recognition (Psychology)/physiology; Semantics; Speech Perception/physiology; Vocabulary
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URL: http://diginole.lib.fsu.edu/islandora/object/fsu%3A620256/datastream/TN/view/Lexical%20leverage.jpg
http://purl.flvc.org/fsu/fd/FSU_pmch_26452444
https://doi.org/10.1111/desc.12343
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Semantic Structure in Vocabulary Knowledge Interacts With Lexical and Sentence Processing in Infancy.
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