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Writing arabic numerals in an agraphic patient
1Universitätsklinik für Neurologie, Innsbruck, Austria. margarete.delazer@uibk.ac.at
Brain and Language
|August 26, 1998
Summary
This study examined Arabic numeral writing in a patient with jargon aphasia. Findings suggest distinct processing of number syntax and lexicon, mirroring developmental acquisition patterns.
Area of Science:
- Neuropsychology
- Cognitive Science
- Linguistics
Background:
- Investigates number production in aphasia, specifically Arabic numeral writing.
- Examines a patient with graphemic jargon, where alphabetical script is severely impaired.
Observation:
- Analyzed writing errors in Arabic numerals across three testing sessions post-stroke (4, 10, 13 months).
- Observed a changing error pattern over time, providing insights into number transcoding processes.
Findings:
- Confirmed separate processing of syntactic and lexical information in number production, aligning with current cognitive models.
- Identified predominantly syntactic errors, with some errors linked to the verbal form of numerals at a specific stage.
- Found that transcoding sum relations within complex numerals was more challenging than product relations.
Implications:
- Provides evidence for distinct cognitive components in number production and writing.
- Offers insights into the developmental trajectory of Arabic numeral writing acquisition.
- Contributes to understanding number transcoding deficits in acquired language disorders.
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