Published online by Cambridge University Press: 22 November 2024
The cuneus is the superior portion of the occipital lobe, positioned above the calcarine sulcus. It is bordered anteriorly by the parieto-occipital fissure and posteriorly comes to a point at the occipital pole. It receives dual blood supply from the calcarine artery and the parieto-occipital artery. The cuneus functions as a part of the primary visual cortex, as its inferior border (the superior bank of the calcarine sulcus) houses synapsing fibers from the superior portion of the optic radiations. This part of the primary visual cortex analyzes visual information from the contralateral inferior quadrant of both visual fields and is implicated in basic visual processing.
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