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The insular cortex is considered a separate lobe of the telencephalon by some authorities. [8] Other sources see the insula as a part of the temporal lobe. [9] It is also sometimes grouped with limbic structures deep in the brain into a limbic lobe. [citation needed] As a paralimbic cortex, the insular cortex is considered to be a relatively ...
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 primary brain area thought to be involved in the generation of ecstatic seizures is the dorsal anterior insula. [2] [4] [1] It is thought that the ecstatic feelings result from ictal hyperactivation of the anterior insular cortex. [5] The epilepsy is often caused by epileptogenic brain tumors. [3]
A 2010 meta analysis of differences in regional grey matter volume between controls and bipolar disorder reported reductions bilaterally in the inferior frontal cortex and insula, which extended more prominently in the right side to include the precentral gyrus, as well as grey matter reductions in the pregenual anterior cingulate cortex (BA24 ...
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 right insular cortex probably plays the most significant role in these phenomena. Similar lateralization is probably involved in cardiovascular malfunction in patients with head injury, stroke, multiple sclerosis, brain tumors, meningitis and encephalitis, migraine, cluster headache and neurosurgical procedures.