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In neuroanatomy, the paracentral lobule is on the medial surface of the cerebral hemisphere and is the continuation of the precentral and postcentral gyri.
The paracentral sulcus is a sulcus of the brain. It forms the paracentral lobule's anterior border. [1] It is part of the cingulate sulcus. Gallery.
Classical image of the shape and size of the visual field [28]. The outer boundaries of peripheral vision correspond to the boundaries of the visual field as a whole. For a single eye, the extent of the visual field can be (roughly) defined in terms of four angles, each measured from the fixation point, i.e., the point at which one's gaze is directed.
Relative paracentral scotomas are the areas where smaller and dimmer targets are not detected by the patient. [15] Larger and brighter targets can be seen. Small paracentral depressions, mainly superonasal, occur in normal-tension glaucoma (NTG). [16] The generalized depression of the entire field may occur in cataract also. [14]
In neuroanatomy, a sulcus (Latin: "furrow"; pl.: sulci) is a shallow depression or groove in the cerebral cortex.One or more sulci surround a gyrus (pl. gyri), a ridge on the surface of the cortex, creating the characteristic folded appearance of the brain in humans and most other mammals.
Sensorimotor Anterior Region. This occurs around the margin of the cingulate sulcus ( blue in figure) and is connected with sensorimotor areas of the cerebral cortex such as the paracentral lobule, supplementary motor area, premotor cortex, somatosensory area (Brodmann area 2), parietal operculum and insula. fMRI Research upon humans finds a connection with the caudalmost part of ...
paracentral nucleus [18] central lateral nucleus [19] central medial nucleus [20] (not called "centromedial") posterior (caudal) intralaminar group centromedian nucleus [21] parafascicular nucleus [22] lateral nuclear group [13] [23] is replaced by posterior region [24] pulvinar [25] anterior pulvinar nucleus [26] lateral pulvinar nucleus [27 ...
Brodmann area 7 is part of the parietal cortex in the human brain.Situated posterior to the primary somatosensory cortex (Brodmann areas 3, 1 and 2), and superior to the occipital lobe, this region is believed to play a role in visuo-motor coordination (e.g., in reaching to grasp an object).