Primary progressive aphasia: a patient with stress assignment impairment in reading aloud |
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Authors: | E Galante A Tralli M Zuffi S Avanzi |
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Affiliation: | (1) Neuropsychology Unit, Salvatore Maugeri Foundation, IRCCS, Rehabilitation Institute of Castel Goffredo, Via Ospedale 36, I-46042 Castel Goffredo (MN), Italy, IT |
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Abstract: | Surface dyslexia is a pattern of reading impairment which has been seldom described in Italian native speakers. We report
the case of a female Italian patient, RM, suffering from primary progressive aphasia (PPA) of the fluent type, who presented
stress assignment errors in reading aloud. In Italian these errors are considered to be strongly suggestive of surface dyslexia.
We studied RM's reading performance in light of existing cognitive models on reading. Since the first assessment, she presented
multi-level impairment involving pre-semantic, lexical-semantic and post-semantic stages. Her stress assignment errors have
been interpreted as a generalisation of the most frequent tendency in Italian language: namely to assign stress to the penultimate
skyllable. In agreement with previous studies, our case suggests that surface dyslexia in PPA is not a monolithic entity but,
on the contrary, that it may arise from impairment at various stages of the reading process.
Received: 22 March 1999 / Accepted in revised form: 14 January 2000 |
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Keywords: | Primary progressive aphasia Surface dyslexia |
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