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Phase 2 of CATALISE: a multinational and multidisciplinary Delphi consensus study of problems with language development: terminology
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Pupillometry registers toddlers' sensitivity to degrees of mispronunciation
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Language Outcomes at 7 Years: Early Predictors and Co-Occurring Difficulties
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Subgroups in language trajectories from 4 to 11 years: the nature and predictors of stable, improving and decreasing language trajectory groups
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Acquisition of Maternal Education and Its Relation to Single-Word Reading in Middle Childhood: Annalysis of the Millennium Cohort Study
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Language and social-emotional and behavioural wellbeing from 4 to 7ars: a community-based study
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Pupillometry registers toddlers’ sensitivity to degrees of mispronunciation
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Abstract:
This study introduces a method ideally suited for investigating toddlers’ ability to detect mispronunciations in lexical representations: pupillometry. Previous research has established that the magnitude of pupil dilation reflects differing levels of cognitive effort. Building on those findings, we use pupil dilation to study the level of detail encoded in lexical representations with 30-month-old children whose lexicons allow for a featurally balanced stimulus set. In each trial, we present a picture followed by a corresponding auditory label. By systematically manipulating the number of feature changes in the onset of the label (e.g., baby ∼ daby ∼ faby ∼ shaby), we tested whether featural distance predicts the degree of pupil dilation. Our findings support the existence of a relationship between featural distance and pupil dilation. First, mispronounced words are associated with a larger degree of dilation than correct forms. Second, words that deviate more from the correct form are related to a larger dilation than words that deviate less. This pattern indicates that toddlers are sensitive to the degree of mispronunciation, and as such it corroborates previous work that found word recognition modulated by sub-segmental detail and by the degree of mismatch. Thus, we establish that pupillometry provides a viable alternative to paradigms that require overt behavioral response in increasing our understanding of the development of lexical representations.
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Keyword:
Brief Report
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URL: http://www.ncbi.nlm.nih.gov/pubmed/27692796 https://doi.org/10.1016/j.jecp.2016.07.014 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5111158/
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Phase 2 of CATALISE: a multinational and multidisciplinary Delphi consensus study of problems with language development: Terminology
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A qualitative case study in the social capital of co-professional collaborative co-practice for children with speech language and communication needs
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CATALISE: a multinational and multidisciplinary Delphi consensus study. Identifying language impairments in children
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CATALISE : a multinational and multidisciplinary Delphi consensus study. Identifying language impairments in children
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A qualitative case study in the social capital of co-professional collaborative co-practice for children with speech language and communication needs
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BASE
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Levers for Language Growth: Characteristics and Predictors of Language Trajectories between 4 and 7 Years
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Triggering word learning in children with Language Impairment: the effect of phonotactic probability and neighbourhood density*
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