http://www.sciencedaily.com/releases/2011/08/110830102554.htm
Out of the nine regions they analyzed -- four in the left frontal lobe, including the region known as Broca's area, and five further back in the left hemisphere -- eight uniquely supported language, showing no significant activation for any of the seven other tasks. These findings indicate a "striking degree of functional specificity for language," as the researchers report in their paper.
Future studies will test the newly identified language areas with even more non-language tasks to see if their functional specificity holds up; the researchers also plan to delve deeper into these areas to discover which particular linguistic jobs each is responsible for.
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