Nota Clínica

Processes of logical thought in a case of cerebral vascular lesion

R. Blanco-Menéndez, A.M. Aguado-Balsas [REV NEUROL 2002;34:1048-1052] PMID: 12134303 DOI: https://doi.org/10.33588/rn.3411.2002023

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Volumen 34 | Number 11 | Nº of views of the article 10.778 | Nº of PDF downloads 755 | Article publication date 01/06/2002

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ABSTRACT

INTRODUCTION Reasoning and logical thought processes have traditionally been attributed to frontal lobe function or,on the other hand, have been considered as diffuse functions of the brain. However, there is today evidence enough about the possibility to find dissociations in thought processes, depending on logical structure of the experimental tasks and refering to different areas of the brain, frontal and post-rolandic ones. OBJECTIVE. To study possible dissociations between thought structures corresponding to categorical and relational logic, on one hand , and propositional logic on the other hand.

CASE REPORT The case of a brain injured patient with vascular etiology, localized in left frontal-parietal cortex, is presented. A especific battery of reasoning tests has been administered.

RESULTS A differential performance at some reasoning experimental tasks has been found depending on such logical-conceptual structures.

RESULTS The possibility of estabilishing dissociations among certain logical thought and intelectual functions depending on localization of possible brain lesion (frontal versus temporal) is discussed. KeywordsExecutive functions Frontal cortex Logical processes Neuropsychology Post-rolandic cortex Stroke CategoriesNeuropsicología Patología vascular

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Nota Clínica

Processes of logical thought in a case of cerebral vascular lesion