The neural substrates of inferential and referential semantic processing

Diego Marconi, Rosa Manenti, Eleonora Catricalà, Pasquale A. Della Rosa, Simona Siri, Stefano F. Cappa

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Introduction: A distinction has been proposed, on theoretical grounds, between referential and inferential semantic abilities. The former account for the relationship of words to the world, the latter for the relationship of words among themselves. The hypothesis of, at least partially, different neurological underpinnings for this distinction has been supported by the presence of double dissociations in neurological patients between tasks that can be considered to tap the cognitive processes involving these two different classes of semantic knowledge, such as, for example, picture naming (referential) and naming to a verbal definition (inferential). Methods: We report here the results of a functional magnetic resonance experiment, contrasting the pattern of brain activity associated with, respectively, "referential" (picture naming, word-to-picture matching) and "inferential" (naming to definition, word-to-word matching) tasks. Results: All tasks activate an extensive set of brain areas involving both hemispheres, corresponding to the "common semantic network". In addition, left hemispheric temporal areas are selectively engaged by the inferential tasks. Conversely, a specific activation of the right fusiform gyrus is associated with the referential tasks. Conclusions: These findings suggest that while inferential tasks, as compared with referential tasks, engage additional processing resources subserved by left hemispheric language areas involved in lexical retrieval, referential tasks (as compared with inferential tasks) recruit right hemispheric areas generally associated with nonverbal conceptual and structural object processing. These findings are compatible with the double dissociations reported in neurological patients.

Original languageEnglish
Pages (from-to)2055-2066
Number of pages12
JournalCortex
Volume49
Issue number8
DOIs
Publication statusPublished - Sep 2013

Fingerprint

Semantics
Aptitude
Brain
Temporal Lobe
Magnetic Resonance Spectroscopy
Language
Semantic Processing
Substrate
Referential

Keywords

  • FMRI
  • Matching
  • Naming by definition
  • Picture naming
  • Semantics

ASJC Scopus subject areas

  • Clinical Neurology
  • Neurology
  • Arts and Humanities (miscellaneous)
  • Developmental and Educational Psychology

Cite this

Marconi, D., Manenti, R., Catricalà, E., Della Rosa, P. A., Siri, S., & Cappa, S. F. (2013). The neural substrates of inferential and referential semantic processing. Cortex, 49(8), 2055-2066. https://doi.org/10.1016/j.cortex.2012.08.001

The neural substrates of inferential and referential semantic processing. / Marconi, Diego; Manenti, Rosa; Catricalà, Eleonora; Della Rosa, Pasquale A.; Siri, Simona; Cappa, Stefano F.

In: Cortex, Vol. 49, No. 8, 09.2013, p. 2055-2066.

Research output: Contribution to journalArticle

Marconi, D, Manenti, R, Catricalà, E, Della Rosa, PA, Siri, S & Cappa, SF 2013, 'The neural substrates of inferential and referential semantic processing', Cortex, vol. 49, no. 8, pp. 2055-2066. https://doi.org/10.1016/j.cortex.2012.08.001
Marconi, Diego ; Manenti, Rosa ; Catricalà, Eleonora ; Della Rosa, Pasquale A. ; Siri, Simona ; Cappa, Stefano F. / The neural substrates of inferential and referential semantic processing. In: Cortex. 2013 ; Vol. 49, No. 8. pp. 2055-2066.
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