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Broca's area |
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Broca's area [′brō·kəz ‚er·ē·ə] (neuroscience) In the human brain, an area in the inferior left frontal lobe — one of several areas believed to activate the fibers of the precentral gyrus concerned with movements necessary for speech production; injury to this area generally results in nonfluent aphasia, with effortful articulation, loss of syntax, but relatively well-preserved auditory comprehension. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Patel's own preliminary data suggest that damage to a brain region known as Broca's area impairs not only comprehension of language but also recognition of harmonically related chords. 35) Pressure in the frontal lobe of the dominant hemisphere can influence Broca's area (1,35) and can lead to the loss of expressive speech or motor dysphasia. There seem to be a certain number of direct or indirect connections between the ambiguous nucleus and certain central areas--especially Broca's area, the motor cortex, and the anterior cingulum--but their significance is poorly understood. |
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