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Wolf, Maryanne; Ullman-Shade, Catherine; Gottwald, Stephanie – Australian Journal of Learning Difficulties, 2016
This essay is about the improbable emergence of written language six millennia ago that gave rise to the even more improbable, highly sophisticated reading brain of the twenty-first century. How it emerged and what it comprises--both in its most basic iteration in the very young reader and in its most elaborated iteration in the expert reader--is…
Descriptors: Reading Skills, Child Development, Brain Hemisphere Functions, Dyslexia

Byrne, Brian; Delaland, Cara; Fielding-Barnsley, Ruth; Quain, Peter; Samuelsson, Stefan; Hoien, Torleiv; Corley, Robin; DeFries, John C.; Wadsworth, Sally; Willcutt, Erik; Olson, Richard K. – Annals of Dyslexia, 2002
Preliminary results from data on 146 Australian, 284 American, and 70 Norwegian preschool twins indicate reliable genetic influences on phonological awareness and memory and learning. Vocabulary, grammar, and morphology showed significant shared environment and negligible genetic effects. A print knowledge composite showed genetic and shared…
Descriptors: Beginning Reading, Biological Influences, Cognitive Processes, Dyslexia