We report the case of an Italian speaker (GBC) with classical Wernicke's aphasia syndrome following a vascular lesion in the left posterior middle temporal region. GBC exhibited a selective phonological deficit in spoken language production (repetition and reading) which affected all word classes irrespective of grammatical class, frequency, and length. GBC's production of number words, in contrast, was error free. The specific pattern of phonological errors on non-number words allows us to attribute the locus of impairment at the level of phonological form retrieval of a correctly selected lexical entry. These data support the claim that number words are represented and processed differently from other word categories in language production.
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| http://dx.doi.org/10.1016/j.cortex.2011.03.013 | DOI Listing |
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Article Synopsis
- The paper introduces DerLex, a new database containing eye-tracking data on 598 unique derived suffixed words read by 357 participants.
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- While some lexical effects are easily detectable, the database may lack power to detect other important effects relevant to understanding morphological processing, guiding future research design.
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