Routes and Representations in the Processing of Written Language

This chapter summarizes the nature of acquired forms of dyslexia and dysgraphia, and relates these disorders to contemporary models of reading. Postulated quasi-independent and parallel routes of processing graphemic stimuli are supported by case studies. Further, it is seen that phonological and graphemic mechanisms in reading and writing are largely independent of each other, despite the similarity between the responsible processes. The resulting functional model makes a number of specific predictions for conduction aphasia and related neurological impairments.