Can small lesions induce language reorganization as large lesions do?

Journal article


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Publication Details

Author list: Maestu F
Publisher: Elsevier: 12 months
Publication year: 2004
Volume number: 89
Issue number: 3
Start page: 433
End page: 438
Number of pages: 6
ISSN: 0093-934X
Languages: English-Great Britain (EN-GB)


Shift of the cortical mechanisms of language from the usually dominant
left to the non-dominant right hemisphere has been demonstrated in the
presence of large brain lesions. Here, we report a similar phenomenon in
a patient with a cavernoma over the anterolateral superior temporal
gyrus associated with epilepsy. Language mapping was performed by two
complementary procedures, magnetoencephalography, and
electrocorticography. The maps, indicated right temporal lobe dominance
for receptive language and left frontal lobe dominance for expressive
language. These results indicate that a small lesion, associated with
epilepsy, may produce selective shifting of receptive language
mechanisms as large lesions have been known to produce.


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Last updated on 2019-13-08 at 00:45