Abstract
A test of auditory language comprehension was given to 110 right brain-damaged patients and to 94 normal controls in order to check if patients with lesions of the right (nondominant) hemisphere make a significantly higher number of semantic errors than normals. Confirmation of the hypothesis was obtained, but the relationship between semantic errors and lesion of the right hemisphere did not seem a simple and direct one. In fact, most of the lexical-semantic errors were due to associated variables (such as unilateral spatial agnosia and general mental deterioration) and not to the lesion of the right hemisphere per se. These data do not suggest a specific semantic capacity of the nondominant hemisphere but rather stress the fragility of the lexical-semantic organization at the cortical level.
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This work was assisted by a grant from C.N.R. (Consiglio Nazionale delle Ricerche).
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Gainotti, G., Caltagirone, C. & Miceli, G. Semantic disorders of auditory language comprehension in right brain-damaged patients. J Psycholinguist Res 8, 13–20 (1979). https://doi.org/10.1007/BF01067127
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DOI: https://doi.org/10.1007/BF01067127