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The lingual gyrus is a structure in the visual cortex that plays an important role in the identification and recognition of words. [12] Studies have implicated the lingual gyrus as being involved in modulating visual stimuli (especially letters) but not whether or not the stimulus was a word. Further, the gyrus is related to the naming of stimuli.
The cuneus (from Latin 'wedge'; pl.: cunei) is a smaller lobe in the occipital lobe of the brain. The cuneus is bounded anteriorly by the parieto-occipital sulcus and inferiorly by the calcarine sulcus .
Above the medial, Y-shaped sulcus lies the cuneus, and the area below the sulcus is the lingual gyrus. Damage to the primary visual areas of the occipital lobe can cause partial or complete blindness.
The cuneus is above the calcarine sulcus, while the lingual gyrus is below it. [2] [3] Development
In the human it is located in parts of the cuneus, the lingual gyrus and the lateral occipital gyrus (H) of the occipital lobe. It is bounded on one side by the Brodmann area 17, from which it is distinguished by absence of a band of Gennari, and on the other by the peristriate area 19 (Brodmann-1909).
In the human it is located in parts of the lingual gyrus, the cuneus, the lateral occipital gyrus (H) and the superior occipital gyrus (H) of the occipital lobe where it is bounded approximately by the parieto-occipital sulcus. It is bounded on one side by the parastriate area 18, which it surrounds.
It is located in front of the cuneus (the upper portion of the occipital lobe). The precuneus is bounded in front by the marginal branch of the cingulate sulcus, at the rear by the parieto-occipital sulcus, and underneath by the subparietal sulcus.
Calcarine sulcus, to the cuneus and lingual gyrus and the back part of the convex surface of the occipital lobe; Parieto-occipital sulcus, to the cuneus and the precuneus; Splenial, or the posterior pericallosal branch, sometimes anastomoses with the anterior cerebral artery (ACA), and may not be present if the ACA wraps around the corpus callosum