Why are the right and left hemisphere conceptual representations different

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20 Citazioni (Scopus)

Abstract

The present survey develops a previous position paper, in which I suggested that the multimodal semantic impairment observed in advanced stages of semantic dementia is due to the joint disruption of pictorial and verbal representations, subtended by the right and left anterior temporal lobes, rather than to the loss of a unitary, amodal semantic system. The main goals of the present review are (a) to survey a larger set of data, in order to confirmthe differences in conceptual representations at the level of the right and left hemispheres, (b) to examine if language-mediated information plays a greater role in left hemisphere semantic knowledge than sensory-motor information in right hemisphere conceptual knowledge, and (c) to discuss the models that could explain both the differences in conceptual representations at the hemispheric level and the prevalence of the left hemisphere language-mediated semantic knowledge over the right hemisphere perceptually based conceptual representations. Copyright © 2014 Giovanni A.
Lingua originaleEnglish
pagine (da-a)N/A-N/A
RivistaBehavioural Neurology
Volume2014
DOI
Stato di pubblicazionePubblicato - 2014

Keywords

  • Brain
  • Concept Formation
  • Frontotemporal Dementia
  • Functional Laterality
  • Humans
  • Knowledge
  • Language

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