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The insular cortex (also insula and insular lobe) 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) within each hemisphere of the mammalian brain.
Brain fog is a common symptom in many illnesses where chronic pain is a major component. [26] Brain fog affects 15% to 40% of those with chronic pain as their major illness. [27] In such illnesses, pain processing may use up resources, decreasing the brain's ability to think effectively. [26]
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.
Depression or major stress could cause impairment to show up in testing, too, Boyle says. ... like rugby and football,” McKay says. Overall, though, if you can’t determine any underlying cause ...
The posterior insular cortex is granular, the mid insular cortex is dysgranular (or slightly granulated) and the anterior insular cortex has no granulation whatsoever. The insula contains three major subregions defined by the presence or absence of a granule cell layer: granular , dysgranular (slightly granulated) agranular .
Meta-analyses of structural MRI studies have shown that certain brain regions (e.g., the left rostral anterior cingulate cortex, fronto-insular cortex, ventral prefrontal cortex, and claustrum) are smaller in people with bipolar disorder, whereas other regions are larger (lateral ventricles, globus pallidus, subgenual anterior cingulate, and ...
The insular cortex is divided into two parts: the larger anterior insula and the smaller 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 enclosing frontal ...
His doctor prescribed him antibiotics, but the medication failed to eliminate one of his most debilitating symptoms: a lasting brain fog that made it difficult for him to focus or recall information.