Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Transcoding zeros within complex numerals.

Alessia Granà1, Aliette Lochy, Luisa Girelli

  • 1Dipartimento di Psicologia, Università degli Studi di Trieste, Via S. Anastasio 12, 34134 Trieste, Italy. grana@psico.univ.trieste.it

Neuropsychologia
|July 31, 2003
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

What Lies Behind Diagnostic Labels? High Intra-Individual Variability Is the True Cognitive Signature of University Students with Specific Learning Disorders.

Brain sciences·2026
Same author

Financial abilities in patients with Parkinson's disease and mild cognitive impairment: unveiling cognitive and neurofunctional correlates of basic and advanced financial skills.

Frontiers in aging neuroscience·2026
Same author

Dissociations within arithmetic rules: Different neural bases and solution processes in zero and one multiplications.

Cortex; a journal devoted to the study of the nervous system and behavior·2026
Same author

The impact of string length on neural categorization processes for letters and digits.

Cortex; a journal devoted to the study of the nervous system and behavior·2026
Same author

Lexical brain responses in 10-year-old children are impaired in dyslexia: An FPVS-EEG study.

Brain and cognition·2026
Same author

Intracerebral Electrical Stimulation of the Left Occipito-Temporal Cortex Induces Pure Alexia.

Neurobiology of language (Cambridge, Mass.)·2025
Same journal

Prevalence and modulation of rat off-track head scanning on linear tracks: possible implications for representational and dynamic properties of hippocampal place cells.

Neuropsychologia·2026
Same journal

Identifying networks within an fMRI multivariate searchlight analysis.

Neuropsychologia·2026
Same journal

Modulating sentence comprehension in people with aphasia through anodal tDCS: A double-blind randomized cross-over study.

Neuropsychologia·2026
Same journal

Deficient processing of regularity violations during visuospatial neglect: a visual mismatch negativity study.

Neuropsychologia·2026
Same journal

Seeing is believing: mental imagery amplifies moral, emotional, and motivational responding to mentally constructed hypothetical events.

Neuropsychologia·2026
Same journal

From past recall to future projection: What does verb tense production reveal about mental time travel in Alzheimer's disease?

Neuropsychologia·2026
See all related articles

This study details a patient with a unique deficit in producing Arabic numerals, specifically affecting syntactically generated zeros. This research sheds light on numeral production and number magnitude processing.

Area of Science:

  • Neuropsychology
  • Cognitive Science
  • Linguistics

Background:

  • Understanding numeral production is crucial for cognitive neuroscience.
  • Previous research on numeral deficits often involves zero insertion errors.
  • This case presents a novel pattern of zero deletion in Arabic numeral production.

Observation:

  • A patient (LD) exhibited a selective syntactic deficit in producing Arabic numerals.
  • LD's errors involved deletion of zeros, reducing number magnitude, unlike insertion errors seen previously.
  • The patient's difficulties were specific to 'syntactic zeros' (rule-generated) not 'lexical zeros' (semantically derived).

Findings:

  • A clear distinction was observed between semantically derived 'lexical zeros' and syntactically produced 'syntactic zeros'.

Related Experiment Videos

  • LD's deficit exclusively impacted syntactic zeros, suggesting distinct processing pathways.
  • Numerals with final zeros were processed more easily than those with internal zeros.

    • Implications:

    • These findings support the lexical-semantic model of numeral processing by Power and Dal Martello.
    • The model explains that lexical zeros stem from numerical concepts, while syntactic zeros arise from concatenation and overwriting operations.
    • Syntactic zeros, representing null quantities tied to powers of 10, appear more vulnerable in production than lexical zeros.