SUMMARY Three dissociations were observed in a case of alexia: a disturbance of reading, without comparable disturbance of oral expression, oral comprehension, writing, or spelling aloud; a disturbance of the phonological reading process, without disturbance of the nonphonological reading process; a disturbance located at the level of the phonological stage, without disturbance of the perceptual and expressive stages. This pattern of results has been called phonological alexia.

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SUM MARY The reading of four subjects suffering from a phonological reading impairment as a result of a cerebral lesion was tested. A double dissociation observed in their results is strong evidence for the existence of two functionally independent kinds of phonological processing in reading-a graphemic and a phonetic one.

SUM MARY The reading of four subjects suffering from a phonological reading impairment as a result of a cerebral lesion was tested. A double dissociation observed in their results is strong evidence for the existence of two functionally independent kinds of phonological processing in reading-a graphemic and a phonetic one.

No abstract