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Neuroanatomical Substrates of Arabic Number Processing, Numerical Comparison, and Simple Addition: A PET Study

Pesenti, Mauro, Thioux, Marc, Seron, Xavier, Volder, Anne De·2000·Journal of Cognitive Neuroscience

Abstract

Positron emission tomography was used to localize the cerebral networks specifically involved in three basic numerical processes: arabic numeral processing, numerical magnitude comparison, and retrieval of simple addition facts. Relative cerebral blood flow changes were measured while normal volunteers were resting with eyes closed, making physical judgment on nonnumerical characters or arabic digits, comparing, or adding the same digits. Processing arabic digits bilaterally produced a large nonspecific activation of occipito-parietal areas, as well as a specific activation of the right anterior insula. Comparison and simple addition fact retrieval revealed a fronto-parietal network involving mainly the left intraparietal sulcus, the superior parietal lobule and the precentral gyrus. Comparison also activated, but to a lesser extent, the right superior parietal lobe, whereas addition also activated the orbito-frontal areas and the anterior insula in the right hemisphere. Implications for current anatomo-functional models of numerical cognition are drawn.

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Metadata

Authors
Pesenti, M., Thioux, M., Seron, X., & Volder, A. D.
Venue
Journal of Cognitive Neuroscience
Published
2000-05-01
Volume
12
Issue
3
Pages
461-479
ISSN
  • 0898-929X (ISSN-L)
  • 1530-8898
OpenAlex
W2101794305
Cited by
429
References
4
FWCI
16.13
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Neuroanatomical Substrates of Arabic Number Processing, Numerical Comparison, and Simple Addition: A PET Study. https://app.cochat.ai/papers/10.1162/089892900562273
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Pesenti, M., Thioux, M., Seron, X., & Volder, A. D. (2000). Neuroanatomical Substrates of Arabic Number Processing, Numerical Comparison, and Simple Addition: A PET Study. Journal of Cognitive Neuroscience. https://doi.org/10.1162/089892900562273

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