排序方式： 共有7条查询结果，搜索用时 719 毫秒
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Saskia Kohnen Lyndsey Nickels Ruth Brunsdon Max Coltheart 《Journal of Research in Reading》2008,31(1):157-177
This paper presents a treatment study with a developmental dysgraphic girl, KM, and addresses the mechanisms by which orthographic learning of spelling rules might occur. Before treatment, KM's spelling of words and nonwords was impaired. Analyses of spelling errors indicated poor knowledge of sound‐to‐letter correspondences. Treatment focused on two spelling rules and was successful: spelling improved for both regular words and nonwords. Untrained words that included the training rules also improved, but later than nonwords and trained words. This delayed generalisation was explained through feedback mechanisms between orthographic lexicon and graphemic buffer. 相似文献
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This paper reports a single case treatment study conducted with R.F.L., a young man with developmental mixed dysgraphia. The intervention focused on teaching spelling rules and was a replication of a previous successful study. The results of the present study provided further insights into the mechanism that operates to update faulty lexical representations for regular words. We argue that the level of spelling accuracy in combination with the error types present before the intervention are important to consider when choosing intervention methods. 相似文献
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Timothy C. Bates Anne Castles Michelle Luciano Margaret J. Wright Max Coltheart Nicholas G. Martin 《Reading and writing》2007,20(1-2):147-171
We develop and test a dual-route model of genetic effects on reading aloud and spelling, based on irregular and non-word reading
and spelling performance assessed in 1382 monozygotic and dizygotic twins. As in earlier research, most of the variance in
reading was due to genetic effects. However, there were three more specific conclusions: the first was that most of the genetic
effect is common to both regular and irregular reading. In addition to this common variance evidence was found for distinct
genes influencing the acquisition of a lexicon of stored words, and additional genetic effects influencing the acquisition
of grapheme–phoneme correspondence rules. The third conclusion, from a combined model of reading and spelling, is that reading
and spelling have a common genetic basis. Models that did not distinguish lexical and non-lexical performance fit significantly
worse than dual route genetic models. An implication of the research is that models of reading, whether connectionist or dual-route,
must allow for the genetic independence of neurological processes underlying the decoding of non-words and irregular words. 相似文献
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Anne Castles Timothy Bates Max Coltheart Michelle Luciano Nicholas G. Martin 《Journal of Research in Reading》2006,29(1):92-103
While it is well known that reading is highly heritable, less has been understood about the bases of these genetic influences. In this paper, we review the research that we have been conducting in recent years to examine genetic and environmental influences on the particular reading processes specified in the dual‐route cognitive model of reading. We argue that a detailed understanding of the role of genetic factors in reading acquisition requires the delineation and measurement of precise phenotypes, derived from well‐articulated models of the reading process. We report evidence for independent genetic influences on the lexical and nonlexical reading processes represented in the dual‐route model, based on studies of children with particular subtypes of dyslexia, and on univariate and multivariate genetic modelling of reading performance in the normally reading population. 相似文献
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Max Coltheart 《Journal of Research in Reading》2006,29(1):124-132
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