Remediation of Arabic Numeral Processing in a Case of Developmental Dyscalculia
In this case study we investigated numeral transcoding in CM, a young man with developmental dyscalculia. Our initial assessment revealed that CM's difficulties in numeral transcoding occurred mainly on
tasks requiring the production of Arabic numerals. His errors on these tasks were most often syntactically ill-formed strings in which the basic lexical elements are retained, but the overall structure
is incorrect (e.g. nine hundred two thousand seventy 92,70). We then implemented a training programme designed to overcome CM's syntactic impairment. Pre-training/post-training comparisons revealed significant
improvement on the trained written-verbal-to-Arabic task as well as on an untrained spoken-verbal-to-Arabic task presumed to share the same Arabic numeral production process. A comparison of CM's numeral
transcoding performance with control children showed that CM's performance improved from a third-grade level to approximately a fourthgrade level (i.e. the grade in which most children begin to display
proficient number transcoding skills). Further analyses revealed that the syntactic errors produced by CM and the control subjects were inconsistent in terms of length, a finding that contrasts with the
results of previous studies of numeral transcoding in children. In the general discussion we mention possible reasons for the discrepant outcomes across studies.
Document Type: Research Article
Publication date: 01 January 1996
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