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refers to a subdivision of the cytoarchitecturally defined parietal region of cerebral cortex. In the human it occupies much of the superior parietal lobule and some of the precuneus. It is bounded approximately by the postcentral sulcus rostrally, the intraparietal sulcus laterally, the parieto-occipital sulcus caudally and, on the medial bank of the hemisphere, the splenial sulcus. Cytoarchitecturally it is bounded rostrally by area 5 of Brodmann (human) and area 2 of Brodmann (human); caudally by area 19 of Brodmann (human); and medially by area 31 of Brodmann (human) ( Brodmann-1909 ).
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