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Occipital Lobe: Location and Structure. The anterior segment is bound by the intraparietal sulcus superiorly and the inferior occipital sulcus inferiorly. The occiptial lobe is important to being able to correctly understand what your eyes are seeing. Posteriorly it is continuous with occipital pole and the inferior occipital gyrus which runs along the inferolateral surface of the occipital lobe 2. The gyri are the superior occipital gyrus, the middle occipital gyrus, and the inferior occipital gyrus, and these are also known as the occipital face area. Gross anatomy The occipital gyri (OcG) are three gyri in parallel, along the lateral portion of the occipital lobe, also referred to as a composite structure in the brain. Cuneate gyrus (cuneus) - Found on the medial surface of the occipital lobe, separated by the calcarine fissure which borders the primary visual cortex. The fusiform gyrus is located between the lingual gyrus and parahippocampal gyrus above, and the inferior temporal gyrus below. Similar to how the temporal lobe makes sense of auditory information, the occipital lobe makes sense of visual information so that we are able to understand it. The occipital pole is an anatomical landmark that corresponds to the posterior portion of the occipital lobe.It is formed by the convergence of the superior and inferior occipital gyri in the majority of individuals; the middle occipital gyrus also contributes when it is present 1.. The gyrus can be described as having two segments, an anterior and a posterior segment. The occipital lobe is located in the back of the cerebral cortex. It occupies about 12% of the neocortex and is, in turn, connected to the primary visual cortex and of association and with the calcarine sulcus, a gyrus that’s just inside it. gy´ri ) ( L. ) one of the many convolutions of the surface of the cerebral hemispheres caused by infolding of the cortex, separated by fissures or sulci; called also cerebral gyrus . Superior occipital gyrus. Frontal Lobe This lobe is located at the front of the brain and is associated with reasoning, motor skills, higher level cognition, and expressive language. The superior and inferior occipital sulci separates the three occipital gyri. The frontal lobe, parietal lobe, occipital lobe, and temporal lobe have been associated with different functions ranging from reasoning to auditory perception. angular gyrus one continuous anteriorly with the supramarginal gyrus. Lingual gyrus - Found on the medial surface of the occipital lobe. Because the middle gyrus stretches between the superior and inferior sulci and covers the major part of the lateral surface, it is sometimes termed the lateral occipital gyrus. The occipital lobe is located in the posterior part of the cerebral hemispheres: • posterior to the temporal lobe and parietal lobe • the occipital lobe is partially separated from the parietal lobe by the parietooccipital fissure. The middle occipital gyrus is the largest gyrus in the occipital lobe whose anterior boundary is the anterior boundary of the occipital lobe. The fusiform gyrus, also known as the lateral occipitotemporal gyrus, is part of the temporal lobe and occipital lobe in Brodmann area 37. These lobes have to be very fast to process the rapid information that our eyes are sending. Superior and inferior occipital gyri - Found on the lateral surface of the occipital lobe. The superior gyrus is the only gyrus in occipital lobe which is clearly defined. occipital gyrus: [ ji´rus ] (pl. All these connections elevate it to a neural center of human vision and visual perception.

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