Brodmann Area 7 Of The Human Brain, Anatomy

Description

Brodmann area 7 occupies the superior parietal cortex on the lateral surface of the human hemisphere, spanning much of the superior parietal lobule and approaching the parietal aspect of the parieto-occipital region. Anteriorly it lies posterior to the postcentral gyrus (primary somatosensory cortex), while inferiorly it relates to the intraparietal sulcus, a key landmark separating superior parietal cortex from the inferior parietal lobule. Posteriorly, the highlighted cortex tapers toward the occipital lobe, maintaining a dorsal position along the convexity. Boundaries matter. Area 7 sits at the junction of somatosensory association and dorsal visual processing, so its surface anatomy often anchors teaching on visuospatial attention, visually guided reaching, and sensorimotor integration. Lesions involving the superior parietal lobule, including infarcts in posterior cerebral artery territory or watershed injury near the MCA-PCA border zone, can produce optic ataxia and contribute to Balint syndrome when bilateral, and this makes a labeled, fixed lateral perspective useful when correlating cortical topography with bedside deficits. The lighting and segmentation in a 3D cortical map also help separate gyral crowns from sulcal banks, reducing the common student error of confusing superior parietal cortex with the angular and supramarginal gyri below the intraparietal sulcus. Neuroanatomy and neuroscience courses use this illustration to orient Brodmann maps on the parietal lobe during modules on association cortex, dorsal stream function, and attention networks. It also fits neurology and neurosurgery publications that need a clean reference for cortical localization when discussing parietal stroke syndromes, neglect variants, or planning trajectories that avoid superior parietal regions involved in visuomotor coordination. Anatomical accuracy verified by SciePro's Medical Advisory Board.