Characteristics of Developmental Dyslexia in Japanese Kana: From
al Ab gic no lo rm o a h l i c t y i e s s Ogawa et al., J Psychol Abnorm Child 2014, 3:3 P i Journal of Psychological Abnormalities n f o C l DOI: 10.4172/2329-9525.1000126 h a i n l d ISSN:r 2329-9525 r u e o n J in Children Research Article Open Access Characteristics of Developmental Dyslexia in Japanese Kana: from the Viewpoint of the Japanese Feature Shino Ogawa1*, Miwa Fukushima-Murata2, Namiko Kubo-Kawai3, Tomoko Asai4, Hiroko Taniai5 and Nobuo Masataka6 1Graduate School of Medicine, Kyoto University, Kyoto, Japan 2Research Center for Advanced Science and Technology, the University of Tokyo, Tokyo, Japan 3Faculty of Psychology, Aichi Shukutoku University, Aichi, Japan 4Nagoya City Child Welfare Center, Aichi, Japan 5Department of Pediatrics, Nagoya Central Care Center for Disabled Children, Aichi, Japan 6Section of Cognition and Learning, Primate Research Institute, Kyoto University, Aichi, Japan Abstract This study identified the individual differences in the effects of Japanese Dyslexia. The participants consisted of 12 Japanese children who had difficulties in reading and writing Japanese and were suspected of having developmental disorders. A test battery was created on the basis of the characteristics of the Japanese language to examine Kana’s orthography-to-phonology mapping and target four cognitive skills: analysis of phonological structure, letter-to-sound conversion, visual information processing, and eye–hand coordination. An examination of the individual ability levels for these four elements revealed that reading and writing difficulties are not caused by a single disability, but by a combination of factors.
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