Presented by Navita Kaushal, PhD
Embedded deep beneath the sylvian/lateral fissure, pyramidal shaped covering less than 2% of the cortex, with dense blood supply from MCA, separated yet so connected with frontal, temporal, parietal, and limbic areas, is the least understood 5th lobe of the brain-Insula. It was discovered in 1809 but was not well understood or greatly explored till the early 1950s.
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The insular cortex has direct connection with association cortical areas, autonomic nervous system, thalamus, amygdala and is involved in wide range of functions from pain perception, speech, smell, taste, social-emotion processing, cognition, and the sense of the physiological condition of...