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The insular cortex is divided by the central sulcus of the insula, into two parts: the anterior insula and the posterior insula in which more than a dozen field areas have been identified. The cortical area overlying the insula toward the lateral surface of the brain is the operculum (meaning lid). The opercula are formed from parts of the ...
The insular lobe is a portion of the cerebral cortex that has invaginated to lie deep within the lateral sulcus. It sits like an island (the meaning of insular ) almost surrounded by the groove of the circular sulcus and covered over and obscured by the insular opercula.
The insular cortex is a portion of the cerebral cortex folded deep within the lateral sulcus (the fissure separating the temporal lobe from the parietal and frontal lobes). The insular cortex has an important function for sending axons to the amygdala and responding to tones and somatosensory stimulation. [12]
It is a subdivision of the cytoarchitecturally defined hippocampal region of the cerebral cortex. In the human it is located along the rhinal sulcus . Cytoarchitectually it is bounded medially by the entorhinal area 28 and laterally by the ectorhinal area 36 (H).
Topography of the primary motor cortex, showing which zone controls each body part. Many of the brain areas defined by Brodmann have their own complex internal structures. In a number of cases, brain areas are organized into topographic maps, where adjoining bits of the cortex correspond to adjoining parts of the body, or of some more abstract ...
The primary gustatory cortex (G) is located near the somatotopic region for the tongue (S1), in the insular cortex deep in the lateral fissure with the secondary taste areas in the opercula. [ 11 ] The peripheral taste system likely maintains a specific relationship between taste bud cells selectively responsive to one taste quality and the ...
It is the lateral most limit of the anterior perforated substance and the starting point of the insular cortex. The limen insulae translates as the threshold to the insula, and is the point at which the insular cortex is continuous with cortex over the amygdala and superior temporal gyrus .
Opercular part of inferior frontal gyrus (pars opercularis), (cortex posterior to the ascending ramus of the lateral sulcus), is the part of frontal lobe that overlies the insular cortex and may be associated with recognizing a tone of voice in spoken native languages. [6]