There are phonetic patterns in vowel substitution errors in texts written by persons with dyslexia. Rello, L. & Llisterri, J. In LDW 2012. 21st Annual World Congress on Learning Disabilities. Learning disabilities: Present and future. Oviedo, Spain. 5-7 September, 2012, pages 327-338, Oviedo, 2012. Ediciones de la Universidad de Oviedo.
There are phonetic patterns in vowel substitution errors in texts written by persons with dyslexia [pdf]Paper  abstract   bibtex   
In this paper we describe the creation of a corpus of texts written by Spanish speaking children with dyslexia, establish a typology of errors found in the corpus and explore the phonetic basis of vowel substitution errors. The results of the analysis reveal that articulatory phonetic dimensions and frequency of occurrence are relevant factors to be taken into account to explain vowel substitution errors.

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