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Erin Campbell; Robyn Casillas; Elika Bergelson – Developmental Science, 2024
What is vision's role in driving early word production? To answer this, we assessed parent-report vocabulary questionnaires administered to congenitally blind children (N = 40, Mean age = 24 months [R: 7-57 months]) and compared the size and contents of their productive vocabulary to those of a large normative sample of sighted children (N =…
Descriptors: Vision, Language Acquisition, Parent Attitudes, Vocabulary Development
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Dilks, Daniel D.; Hoffman, James E.; Landau, Barbara – Developmental Science, 2008
Evidence suggests that visual processing is divided into the dorsal ("how") and ventral ("what") streams. We examined the normal development of these streams and their breakdown under neurological deficit by comparing performance of normally developing children and Williams syndrome individuals on two tasks: a visually guided action ("how") task,…
Descriptors: Vision, Cognitive Processes, Child Development, Developmental Stages