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Peer reviewedRonnberg, Jerker; Andersson, Jan; Samuelsson, Stefan; Soderfeldt, Birgitta; Lyxell, Bjorn; Risberg, Jarl – Journal of Speech, Language, and Hearing Research, 1999
This case study describes a 25-year-old Swedish woman with hereditary moderate hearing loss since birth who acquired both sign language and spoken language in her early preschool years and reached normal developmental milestones in each. Analysis revealed that her speech reading expertise is associated with cognitive functions such as high…
Descriptors: Adults, Case Studies, Cognitive Development, Congenital Impairments
Direct linkSamuelsson, Stefan; Byrne, Brian; Quain, Peter; Wadsworth, Sally; Corley, Robin; DeFries, John C.; Willcutt, Eric; Olson, Richard – Journal of Educational Psychology, 2005
Individual differences in measures of prereading skills and in questionnaire measures of 4-5-year-old twins' print environments in Australia, Scandinavia, and the United States were explored with a behavioral-genetic design. Modest phenotypic correlations were found between environmental measures and the twins' print knowledge, general verbal…
Descriptors: Foreign Countries, Environmental Influences, Genetics, Prereading Experience
