Journal
BRAIN AND LANGUAGE
Volume 145, Issue -, Pages 53-63Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.band1.2015.04.005
Keywords
Electric stimulation mapping; Broca's area; Verbs and nouns
Funding
- Spanish Government (MICINN) [PSI2011-29219]
- Catalan Government (Generalitat de Catalunya) [2009 SGR 93]
- ICREA Funding Source: Custom
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Electric stimulation mapping (ESM) is frequently used during brain surgery to localise higher cognitive functions to avoid post-chirurgical disabilities. Experiments with brain imaging techniques and neuropsychological studies showed differences in the cortical representation and processing of nouns and verbs. The goal of the present study was to investigate whether electric stimulation in specific sites in the frontal cortex disrupted noun and verb production selectively. We found that most of the stimulated areas showed disruption of both verbs and nouns at the inferior frontal gyrus. However, when selective effects were obtained, verbs were more prone to disruption than nouns with important individual differences. The overall results indicate that selective impairments can be observed at inferior and middle frontal regions and the action naming task seems to be more suitable to avoid post-chirurgical language disabilities, as it shows a greater sensitivity to disruption with ESM than the classical object naming task. (C) 2015 Elsevier Inc. All rights reserved.
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