Consonants and vowels in orthographic representations.
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| Title: | Consonants and vowels in orthographic representations. |
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| Authors: | Buchwald, Adam (AUTHOR), Rapp, Brenda (AUTHOR) |
| Source: | Cognitive Neuropsychology. Mar2006, Vol. 23 Issue 2, p308-337. 30p. 1 Diagram, 14 Charts, 1 Graph. |
| Subjects: | Orthography & spelling, Spelling ability, Word recognition ability testing, Psycholinguistics, Agraphia, Language disorders |
| Abstract: | It has been argued that orthographic representations—the abstract mental representations of the spellings of words—include orthography-specific information regarding the consonant/vowel (CV) identity of the individual letters that make up a word's spelling. This hypothesis has been used to explain the finding that the substitution errors in the spelling of certain dysgraphic individuals exhibit a striking tendency to preserve the CV identity of the target letters. In this paper, we evaluate the adequacy of two alternative hypotheses that do not posit orthography-specific CV representations. One hypothesis proposes that constraints on the nature of letter substitution come from the phonological representation of a word, and a second hypothesis contends that CV-preserving substitutions are driven by orthotactic knowledge—knowledge of the well-formed letter sequences in the orthography of a language. We present novel tests of these hypotheses using data from four case studies of dysgraphic individuals. The results clearly adjudicate in favour of the claim that orthographic representations contain orthography-specific CV information. In this way, the results support the more general claim that abstract categories are represented within the language system. [ABSTRACT FROM AUTHOR] |
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| Database: | Psychology and Behavioral Sciences Collection |
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| Abstract: | It has been argued that orthographic representations—the abstract mental representations of the spellings of words—include orthography-specific information regarding the consonant/vowel (CV) identity of the individual letters that make up a word's spelling. This hypothesis has been used to explain the finding that the substitution errors in the spelling of certain dysgraphic individuals exhibit a striking tendency to preserve the CV identity of the target letters. In this paper, we evaluate the adequacy of two alternative hypotheses that do not posit orthography-specific CV representations. One hypothesis proposes that constraints on the nature of letter substitution come from the phonological representation of a word, and a second hypothesis contends that CV-preserving substitutions are driven by orthotactic knowledge—knowledge of the well-formed letter sequences in the orthography of a language. We present novel tests of these hypotheses using data from four case studies of dysgraphic individuals. The results clearly adjudicate in favour of the claim that orthographic representations contain orthography-specific CV information. In this way, the results support the more general claim that abstract categories are represented within the language system. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 02643294 |
| DOI: | 10.1080/02643290442000527 |
