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Comparative Study
. 2005 Mar;6(2):229-34.
doi: 10.1016/j.yebeh.2004.12.003.

Magnetoencephalographic localization of the basal temporal language area

Susan M Bowyer  1 , Toya Fleming, Margaret L Greenwald, John E Moran, Karen M Mason, Barbara J Weiland, Brien J Smith, Gregory L Barkley, Norman Tepley
Affiliations
Comparative Study

Magnetoencephalographic localization of the basal temporal language area

Susan M Bowyer et al. Epilepsy Behav. 2005 Mar.

Abstract

Magnetoencephalography (MEG) recordings were made on 25 native English-speaking patients with localization-related epilepsy during a semantic language task (verb generation). Eighteen right-handed subjects with normal reading ability had MEG scans performed during the same language task. MEG data was analyzed by MR-FOCUSS, a current density imaging technique. Detectable MEG signals arising from activation in the left fusiform gyrus, also known as the basal temporal language area (BTLA), occurred at 167 +/- 18 ms (n = 43) in all subjects. The BTLA has been associated with a variety of language production and comprehension tasks involving processing of semantic, orthographic, and phonologic information. MEG may become an important tool in efforts to further define the linguistic operations of specific regions within this language area.

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