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Orthographic knowledge and morphological awareness in kindergarten predict children's reading fluency in fifth grade
Jie Chen1, Yinan Wei2, Ningxin Zhao3
1Beijing Key Laboratory of Applied Experimental Psychology, National Demonstration Center for Experimental Psychology Education, Faculty of Psychology, Beijing Normal University, Beijing 100875, PR China; State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing 100875, PR China.
Abstract:
We examined the neural mechanisms underlying how early orthographic and morphological awareness support the development of reading fluency in Chinese. We followed Mandarin-speaking Chinese children from kindergarten (Mage = 5.74 years) to Grade 5 (Mage = 11.07 years). Results of hierarchical regression analysis showed first that after controlling for age, gender, nonverbal IQ, phonological awareness, and rapid automatized naming (RAN), orthographic knowledge and morphological awareness in kindergarten explained 4.6-7.0 % of unique variance in reading fluency in Grade 5. Next, results of mediation analysis showed that the functional connectivity between the left precentral gyrus and the right supramarginal gyrus mediated the association of orthographic knowledge (Time 1) and reading fluency (Time 2), and that the functional connectivity between the left fusiform gyrus and the left middle temporal gyrus mediated the relationship between morphological awareness (Time 1) and reading fluency (Time 2). These findings suggest that, over time, the dorsal and ventral pathways are crucial in how early orthographic and morphological awareness predict reading fluency later on.
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