Conditional and syllogistic deductive tasks dissociate functionally during premise integration.

Détails

ID Serval
serval:BIB_570FD7FF422F
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Institution
Titre
Conditional and syllogistic deductive tasks dissociate functionally during premise integration.
Périodique
Human Brain Mapping
Auteur(s)
Reverberi C., Cherubini P., Frackowiak R.S., Caltagirone C., Paulesu E., Macaluso E.
ISSN
1097-0193[electronic], 1065-9471[linking]
Statut éditorial
Publié
Date de publication
2010
Volume
31
Numéro
9
Pages
1430-1445
Langue
anglais
Résumé
Deduction allows us to draw consequences from previous knowledge. Deductive reasoning can be applied to several types of problem, for example, conditional, syllogistic, and relational. It has been assumed that the same cognitive operations underlie solutions to them all; however, this hypothesis remains to be tested empirically. We used event-related fMRI, in the same group of subjects, to compare reasoning-related activity associated with conditional and syllogistic deductive problems. Furthermore, we assessed reasoning-related activity for the two main stages of deduction, namely encoding of premises and their integration. Encoding syllogistic premises for reasoning was associated with activation of BA 44/45 more than encoding them for literal recall. During integration, left fronto-lateral cortex (BA 44/45, 6) and basal ganglia activated with both conditional and syllogistic reasoning. Besides that, integration of syllogistic problems additionally was associated with activation of left parietal (BA 7) and left ventro-lateral frontal cortex (BA 47). This difference suggests a dissociation between conditional and syllogistic reasoning at the integration stage. Our finding indicates that the integration of conditional and syllogistic reasoning is carried out by means of different, but partly overlapping, sets of anatomical regions and by inference, cognitive processes. The involvement of BA 44/45 during both encoding (syllogisms) and premise integration (syllogisms and conditionals) suggests a central role in deductive reasoning for syntactic manipulations and formal/linguistic representations.
Mots-clé
fMRI, rules, logic, language, Broca's area, abstract thinking, optimal data selection, prefrontal cortex, abstract rules, neural basis, language, fmri, atmosphere, inference, neuroanatomy, mechanisms
Pubmed
Web of science
Création de la notice
29/09/2010 16:24
Dernière modification de la notice
20/08/2019 15:11
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