Paul Broca

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Broca, Paul

(pōl brôkä`), 1824–80, French pathologist, anthropologist, and pioneer in neurosurgery. A professor in Paris at the Faculty of Medicine and at the Anthropological Institute, he was a founder of the Anthropological Society of Paris (1859) and of the Revue d'anthropologie (1872). An authority on aphasia, he localized the brain center for articulate speech in the convolution of Broca, or Broca's area (the third convolution of the left frontal lobe). He originated methods of classifying hair and skin color and of establishing brain and skull ratios.
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For verbal tasks, adult-like neural patterns in the Broca area, which is involved in speech and language, predicted higher verbal test scores in children.
The study shows, for example, a clear difference in the distribution of one receptor between the Broca areas of the two cerebral hemispheres and slight differences in the case of the other receptors.