Transcoding zeros within complex numerals

Alessia Granà, Aliette Lochy, Luisa Girelli, Xavier Seron, Carlo Semenza

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

This paper describes a patient (LD) showing a selective syntactic deficit in the production of Arabic numerals. Unlike in previously reported cases, LD's syntactic difficulties result in deletions rather than insertions of zeros, with a reduction of the number magnitude. The pattern of errors highlighted a distinction between "lexical zeros", i.e. the zeros in tens, that are semantically derived, and "syntactic zeros" that are syntactically produced as the result of specific production rules. In LD, only syntactic zeros were affected. Furthermore, the processing of numerals with final zeros was found to be easier than the processing of numerals with internal zeros. This pattern of errors is compatible with the lexical-semantic model of Power and Dal Martello. In this model, in fact, lexical zeros originate from a numerical concept, while syntactic zeros originate from a concatenation operation, plus an overwriting operation leaving one or more intermediary zeros. Thus, lexical zeros may be easier to manipulate than syntactic zeros that merely represent a null quantity associated to a specific power of 10.

Original languageEnglish
Pages (from-to)1611-1618
Number of pages8
JournalNeuropsychologia
Volume41
Issue number12
DOIs
Publication statusPublished - 2003

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Semantics

Keywords

  • Lexical zeros
  • Lexical-semantic model
  • Number transcoding
  • Semantic-abstract model
  • Syntactic zeros

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Neuropsychology and Physiological Psychology

Cite this

Granà, A., Lochy, A., Girelli, L., Seron, X., & Semenza, C. (2003). Transcoding zeros within complex numerals. Neuropsychologia, 41(12), 1611-1618. https://doi.org/10.1016/S0028-3932(03)00109-X

Transcoding zeros within complex numerals. / Granà, Alessia; Lochy, Aliette; Girelli, Luisa; Seron, Xavier; Semenza, Carlo.

In: Neuropsychologia, Vol. 41, No. 12, 2003, p. 1611-1618.

Research output: Contribution to journalArticle

Granà, A, Lochy, A, Girelli, L, Seron, X & Semenza, C 2003, 'Transcoding zeros within complex numerals', Neuropsychologia, vol. 41, no. 12, pp. 1611-1618. https://doi.org/10.1016/S0028-3932(03)00109-X
Granà A, Lochy A, Girelli L, Seron X, Semenza C. Transcoding zeros within complex numerals. Neuropsychologia. 2003;41(12):1611-1618. https://doi.org/10.1016/S0028-3932(03)00109-X
Granà, Alessia ; Lochy, Aliette ; Girelli, Luisa ; Seron, Xavier ; Semenza, Carlo. / Transcoding zeros within complex numerals. In: Neuropsychologia. 2003 ; Vol. 41, No. 12. pp. 1611-1618.
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