Neural basis of generation of conclusions in elementary deduction

Carlo Reverberi, Paolo Cherubini, Attilio Rapisarda, Elisa Rigamonti, Carlo Caltagirone, Richard S J Frackowiak, Emiliano Macaluso, Eraldo Paulesu

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Abstract

In everyday life, people untrained in formal logic draw simple deductive inferences from linguistic material (i.e., elementary propositional deductions). Presently, we have limited information on the brain areas implicated when such conclusions are drawn. We used event-related fMRI to identify these brain areas. A set of multiple and independent criteria was derived from the two main theories in the field of reasoning to maximize the reliability of detection of areas in which activity is specifically associated with deductive inferences. Two left lateralized clusters of areas, one in frontal cortex (Brodmann Area 44 and 6) and one in parietal lobe (BA 40), satisfied all criteria; activation was present at the moment of inference, it was shared by both conditional ("if-based") and disjunctive ("or-based") inferences but was greater for disjunctive clauses. Identification of the reasoning network was corroborated by the observation that activity in these areas was greater the longer the reasoning time. Taken together with results from preceding studies, our findings suggest possible theoretically relevant dissociations between elementary propositional deductions and other types of deductive reasoning.

Original languageEnglish
Pages (from-to)752-762
Number of pages11
JournalNeuroImage
Volume38
Issue number4
DOIs
Publication statusPublished - Dec 1 2007

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Parietal Lobe
Brain
Frontal Lobe
Linguistics
Magnetic Resonance Imaging

ASJC Scopus subject areas

  • Cognitive Neuroscience
  • Neurology

Cite this

Reverberi, C., Cherubini, P., Rapisarda, A., Rigamonti, E., Caltagirone, C., Frackowiak, R. S. J., ... Paulesu, E. (2007). Neural basis of generation of conclusions in elementary deduction. NeuroImage, 38(4), 752-762. https://doi.org/10.1016/j.neuroimage.2007.07.060

Neural basis of generation of conclusions in elementary deduction. / Reverberi, Carlo; Cherubini, Paolo; Rapisarda, Attilio; Rigamonti, Elisa; Caltagirone, Carlo; Frackowiak, Richard S J; Macaluso, Emiliano; Paulesu, Eraldo.

In: NeuroImage, Vol. 38, No. 4, 01.12.2007, p. 752-762.

Research output: Contribution to journalArticle

Reverberi, C, Cherubini, P, Rapisarda, A, Rigamonti, E, Caltagirone, C, Frackowiak, RSJ, Macaluso, E & Paulesu, E 2007, 'Neural basis of generation of conclusions in elementary deduction', NeuroImage, vol. 38, no. 4, pp. 752-762. https://doi.org/10.1016/j.neuroimage.2007.07.060
Reverberi C, Cherubini P, Rapisarda A, Rigamonti E, Caltagirone C, Frackowiak RSJ et al. Neural basis of generation of conclusions in elementary deduction. NeuroImage. 2007 Dec 1;38(4):752-762. https://doi.org/10.1016/j.neuroimage.2007.07.060
Reverberi, Carlo ; Cherubini, Paolo ; Rapisarda, Attilio ; Rigamonti, Elisa ; Caltagirone, Carlo ; Frackowiak, Richard S J ; Macaluso, Emiliano ; Paulesu, Eraldo. / Neural basis of generation of conclusions in elementary deduction. In: NeuroImage. 2007 ; Vol. 38, No. 4. pp. 752-762.
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